4l60e No Second Or Fourth Gear

There is no engine braking in any gear if the transmission shift lever is in 4th, regardless of the shift solenoid operation. DON'T do it! 4th rule of YJOTM is all nonsupporting members must post when you vote or it will not be counted. Otherwise, 2-4 band is worn out. The 2-4 servo and band are on in second and fourth gears. I have a 2005 Chevrolet Trailblazer with the 6 cylinder engine and 4L60E tranny. to move into 1st or 4th gear. Need help evaluating problem with 4L60E Discussion in ' 2nd Gear - Solenoid A is OFF Solenoid B is ON but seems to shift from first directly into 4th. The sprag clutch is active in all forward gears (except 4th while in 4th/OD) so I'm curious what led you in that direction? The Low Roller clutch, however, is unique to first gear. I have to get my RPMs up to about 2500-3000 when I take off, then let off the gas in order for it to shift into third. I was then thinking it may be by torque converter, or could it be something as simple as getting my transmission flushed or something? The transmission is a GM 4L60E. 700R4 Heavy Duty Sun Gear Shell This hardened, heavy duty shell replaces the weak OEM Sun Gear Shell. No 2nd or 4th gear. Gm 4L60E transmission technical information. 40% More surface area for greater holding power This Sonnax servo kit can be used with OE, Corvette or Sonnax performance 2nd gear servo assemblies. The part we call a sun gear shell breaks the splines, literally, right out of the stamped steel shell. I pulled the trans pan cover to inspect the solenoids since the truck had no 1st or 4th gear. code I was getting indicates Shift A Solenoid (electrical). 7l from the md 90's till now. Re: no second gear in 4l60e (same as 700r4) could be your second gear servo is stuck. It never slipped or anything I realize it a lot of miles, but I don't have the money to buy a rebuilt one and not entirely sure if I need one. It is designed to shift during any throttle position, either up or down (gear splitting). This is due to the fact that the transmission is starting out in 2nd gear. 95 blazer 4l60e works when cool and starts. When the transmis-sion was working well the pressure at the tap in 3rd gear was 120 PSI. Dropped valve-body replaced 1-2 accumulator piston it was broke. Circuit Description. Re: 4L60E won't shift past 2nd by Pat: There are two shift solenoids, the 1-2 (called the "A" solenoid) and the 3-4 (called the "B" solenoid). About a week ago, it started to slip a little when climbing a hill like sliding into gear and not a good firm shift. Throttle engine, rear tires start spinning really fast then I am experiencing engine braking and it "finds" first gear. So I hold first longer to put the motor in more of a sweet spot for second. 3l, and the 5. the sealing ring on the 2 servo piston is cut, or the most common issue is the servo apply pin is too short. A 4L60 is a 700-R4. Circle D Specialties. 4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K for sale, current price $74. Long story short, i was cruising at 60Ks or so and booted it, the box dropped down to 2nd gear and then instantly hit limiter and just sat there bouncing off it, and not going into 3rd, at which point i manually put it into 3. 3 • Fail Timer ≥ 2 seconds AND FAIL CASE 4 • 1 second after commanded gear is 3rd. Before I switched solenoids i had no 1st or 4th. One of the most common problems with this transmission is losing the ability to use the reverse gear, commonly caused by debris buildup. 4L60E falling out of lockup. And there is 42,000 miles on rebuilt tranny. Our transmissions come with a 3 year / Unlimited Mile No Hassle parts and labor warranty and shipped FREE of charge in just a few days. Try not to run or drive the car or further damage could result. As the 4L60E ages, one of the most common problems that it develops is that it won’t shift into overdrive anymore. will not shift into 3rd just slips. After a while it will just all start working again - all four gears, back to normal, smooth as always. Post Cancel. It goes first, second, third, third torq lockup, 4th, lockup. I changed the shift solenoids (both) and the VSS- still not shifting properly. the 2-4 band applies 2nd and 4th gear so the band isnt the problem if he has 4th and since its shifting to 3rd gear tells me the valve in the valve body is working correctly. will not shift to 3rd or OD not even manually,It's like the gears are not even there. 1st, 2nd, and R are good, not 3rd or 4th gear. CEL had been on, intermittently, always threw different codes, but I lost third gear driving home last Friday. As you accelerate your vehicle, it feels very underpowered. into second gear as i started back up the next hill and reved up to 5000 rpm with no shift into third. I just rubbed it on with my finger until it soaked in. Loading Unsubscribe from Jay Christensen? 4L60E Design Changes and Tags - Duration: 20:11. Option A Upgrades for performance recalibration and durability, no trans removal required. Installation and Operation Manual for 4L60E, have no control over the circumstances under which our products are used, we can gear position and all sensor. Circuit Description. Increasing the multiplier firm the shift. (my first) It worked great for four days, had all gears, shifted at proper RPM/Speed, and all seemed great. I changed the shift solenoids (both) and the VSS- still not shifting properly. Upshift Pressure Modifier Mult vs. Downshift to 2nd and made it home. The SONNAX servo is and excellent peice also with the dual pistons it provides 40 percent more hold in 4th gear than the stock servo. 3RD/4TH AGAIN ??? NO EXCUSE BILLET 700R4 4L60R 4L65E 4L70E -. Servo seals may be damaged (can be fixed without removing trans. if i put gear selector in drive from sitting position it will shift through 1st gear into 2nd gear but when time to shift into 3rd gear it feels like i'm in neutral. Re: 4l60e no 1st / not shifting to 4th by David jones: I have a 1995 chevy tohoe with a 4l60e tranny and i haved replased everything but 1st and 2nd gear shifs fine bud 3rd and overdrive is nuthing please let me know thank you for your time. Sudden grinding noise with no prior warning primarily in 2nd gear, behavior in reverse may be abnormal; sunshell is fractured. I never get the fourth shift. It requires 8. Transmission Bench 739,462 views. Here is where you need to start diagnosing why your 4L60E won't shift into overdrive. No 4th gear. 4L60E Modifications. (because of the t56 pcm) So I had it flashed for a a4 and now it shifts great but wont go into 4th gear. I would highly recommend it!. Loading Unsubscribe from Jay Christensen? 4L60E Design Changes and Tags - Duration: 20:11. Servo seals may be damaged (can be fixed without removing trans. 3RD/4TH AGAIN ??? NO EXCUSE BILLET 700R4 4L60R 4L65E 4L70E -. I was then thinking it may be by torque converter, or could it be something as simple as getting my transmission flushed or something? The transmission is a GM 4L60E. Cause: two things make this transmission back up: one the reverse input clutches, can be wiped out due to bushing wear and ring damage on stator, second is low reverse clutches wiped out. The 4L60E transmission weighs 146 pounds dry, and 162 wet. Otherwise, 2-4 band is worn out. Not only will an Overdrive Transmission improve your performance, but it will reduce your fuel consumption by up to 33%. 81″ torque converter) of transmission fluid, Top 30 Common 4L60E Transmission Problems and Repair Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. The 2-4 servo and band are on in second and fourth gears. To compliment this, we use the Corvette servo. The speedometer works… and I can drive around in 1st or 2nd gear with absolutely no slipping at all. This is a brand new never installed item, the photos usually show the actual products to be shipped. The Novak Guide to the GM 4L80E Automatic Transmission Introduction. The GM 4L60E/65E/70E-4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year. 3RD/4TH AGAIN ??? NO EXCUSE BILLET 700R4 4L60R 4L65E 4L70E -. Will Not Shift Manually Except Into. The 4L80e's first and second gear ratios are much closer, which yields a much more pleasing 1-2 shift. This is kind of for the trany guys, I'm getting ready to do a little upgrading to my transmission in my '99 Z28. 2-4 band is slipping. 4L60E 2ND GEAR "SUPER HOLD" SERVO for GM 4L60, 4L60-E, 4L65-E and 4L70-E units. 48 Second gear just like the TH400, the 4L60E has a 3. (my first) It worked great for four days, had all gears, shifted at proper RPM/Speed, and all seemed great. No 2nd or 4th gear. 7L V-8, 4L60E (rebuilt) has about 32k miles since the rebuild. 4L60E/4L65E Intermittent Neutral from a Stop or 2-3 Shift. Leave the 3-4 shift at 0. So he told me the computer is telling it to shift into fourth but the trans is not responding. There was a p0753 code which relates to solenoid A. When that happens, the splines that connect to the reverse sun gear can no longer hold on to the sun gear, causing no reverse. Pressure in 3rd gear was still 120 PSI. They were made from an inferior metal that wasn't properly heat treated and it shatters without warning. Super Hold Dual Servo 4th Gear Kit, fits GM THM 700-R4 / 4L60 / 4L60E / 4L70E transmissions. From front to rear, upgrades include a BorgWarner 29-element dual-cage sprag assembly, Sonnax Smart Shell to eliminate the stripping of splines and breakage, a set of Raybestos carbon composite performance clutches with new Raybestos steels, and two Sonnax Super Hold billet servos for Second and Fourth gears for maximum hold to name but a few. 2nd gear "Corvette" ratio servo kit provides increased apply area resulting in improved holding power for firmer 1-2 and 3-4 shifts. General Tech - 4L60E Question - suddenly lost 3/4 Gears - Just did a rebuild on a 4L60E transmission. No 4th gear. 700R4 Heavy Duty Sun Gear Shell This hardened, heavy duty shell replaces the weak OEM Sun Gear Shell. In 4th gear there are not any one-way clutches that are locked. Be the first to review "4L60E Transmission with Torque Converter - Level 2" Cancel reply Your email address will not be published. Some builders overlook. No engine codes being displayed. Here is where you need to start diagnosing why your 4L60E won't shift into overdrive. There was a p0753 code which relates to solenoid A. Sudden grinding noise with no prior warning primarily in 2nd gear, behavior in reverse may be abnormal; sunshell is fractured. Try not to run or drive the car or further damage could result. If the transmission shifts into second OR fourth you can pretty well assume the band is OK. It will shift into 3rd all day long. They said on a few forums that if the 2nd apply piston is wore too much it can leak causing the 1-2 rpm flare I'm getting but yet still have a good 4th gear (which it goes in 4th good if I can get the speed up enough but I don't like pushing it, don't wanna burn that band up). There is a clutch hub inside this trans for 4th gear and has a long hollow shaft with splines on one end, and lugs on the other end for 4th clutches to key into. 2nd gear “Corvette” ratio servo kit provides increased apply area resulting in improved holding power for firmer 1-2 and 3-4 shifts. Need help evaluating problem with 4L60E Discussion in ' 2nd Gear - Solenoid A is OFF Solenoid B is ON but seems to shift from first directly into 4th. We choose to use this set up because our experience and testing has proven that that the high energy lining is as durable as anything produced right now. The name only changed to better identify the transmission. The low sprag is the holding element that allows 1st gear. If you drop to thrid then your doing 2600 rpm. The four meaning it has four gears (1-3 plus overdrive). the fan clutch and couldn't replicate the no shifting into 2nd gear problem. You need to take a check ball and pound it into the feed hole at the bottom of the accumlator bore. GM 4-Speed Automatics 700R4/4L60E/4L80E There are two basic GM 4-Speed automatics: The light duty 700R4/4L60E found mainly in half ton and car applications, and the heavy duty 4L80E in the heavier applications. 2nd gear can function fine, yet 4th gear will not hold power since a different section of the servo applies the band in 4th gear. (Page 1 of 3). 4 quarts (9. They were made from an inferior metal that wasn't properly heat treated and it shatters without warning. So, just like working on a 4L60E, finding the cause for a JR403E with no 4th gear can be a challenge, but it isn't impossible. So the 3-4 clutch pack is used in 3rd and 4th gears as the name implies. In the Sept. 4th oil uses one passage while 2nd oil uses the other. once it was back together I now have 4th back however, when i come to a stop I have to manually shift car into lower gear because it stays in 3rd or 4th (I cant tell). The car is safe to drive (in 2) until you can get it fixed. Re: 4l60e shifting problems: ray f. There could be a broken, cracked accumulator piston for 4th gear. What Is A 4L60E Transmission_. At the present time it will only run in 2nd and 3rd gears, and the converter will not lock up. Servo seals may be damaged (can be fixed without removing trans. I pulled the trans pan cover to inspect the solenoids since the truck had no 1st or 4th gear. 2 is suddenly not shifting beyond 2nd gear. 84 1st and 1. Transmission electrical diagnosis troubleshooting help on all your transmission problems or questions. The original 700-R4 was built in 1982 as a Corvette four-speed automatic with overdrive. Quick video of a 4L60E torndown, found a broken band. 490" OD Boost valve with sleeve, servo piston D-Ring kit, pressure regulator spring, 4th servo spring, 3-4 accumulator piston kit, forward accumulator kit, 1-2 pinless accumulator piston kit. 1st, 2nd, and R are good, not 3rd or 4th gear. Our transmissions come with a 3 year / Unlimited Mile No Hassle parts and labor warranty and shipped FREE of charge in just a few days. This band will take the abuse and the heat. 4L60E is the shifting between first and second gear is late or sudden, with no ease between. There are no reviews yet. Common problems with the 4L60E transmission include the third and fourth gears not working, slow or slipping reverse gear and sudden grinding noise in second gear. will not shift into 3rd just slips. Once I am in third, I am goodno issues with going 3rd to 4th or with freeway driving, and no issues with reverse. Subject: 4L60E No 4th and TC lockup Sun Feb 20, 2011 2:24 pm Simptoms: No 4th or torque converter lockup. Our transmission controllers are compact, packed with features, and have a built-in display for tuning as well as user-friendly software for more in-depth tuning. Performance Automatic demonstrates how to rebuild a 4L60E transmission with the ability to handle 500 horsepower and more torque. 1st gear - sol A= ON sol B= ON 2nd gear - sol A=off sol B= ON 3rd gear - sol A =off sol B= off 4th gear - sol A =on sol B= off The TCC switch can be switched on at any time. Engine revs but no 3rd. 300 Boost Valves Duraprene (black) Pan Gasket (we never use cork) THESE UPGRADED PARTS ARE INCLUDED IN EVERY REBUILD WE PERFORM ALONG WITH MUCH MUCH MORE ! ! EXTREME OVERDRIVE PLUS TRANSMISSION Inc SUV TOWING BIG TIRES BIG HP TRUCK TRACK CAR 4X4 MUD NITROUS STALL TURBO. 3rd rule of YJOTM is you do NOT solicit votes from outside JF or within JF. 4L60E, no second gear just slips. No reverse. Treat this unit like a 4L60E, but keep in mind the electrical and hydraulic differences between the units, as one of those differences may be responsible for your problem. Find TransGo Performance Shift Kits 4L60E-HD2 and get Free Shipping on Orders Over $99 at Summit Racing! TransGo's Performance shift kits give you the hard-launching, tire-blazing shifts you want, after just a few hours' work with basic hand tools. New aluminum 2ND, 4TH, and input accumulator pistons. 2-4 band is slipping. More Information. The TH700R4/4L60, the 4L60E, and the TH200R4 all offer a lower first gear and second gear than my original TH400 with the TH700R4/4L60 and 4L60E offering the best choice with a 3. Our transmissions come with a 3 year / Unlimited Mile No Hassle parts and labor warranty and shipped FREE of charge in just a few days. This transmission uses two solenoids, it was initially called Shift Solenoid A and Shift Solenoid B. most common problem that i read about the no reverse and 1st is a broken or cracked "sunshell or gear" i can buy this at the local at the transmission shop. Find great deals on eBay for corvette servo 4l60e and 4l60e rebuild kit. 62, third is listed as 1 even, and fourth is 0. See all problems of the 2002 Chevrolet S10. The Novak Guide to the GM 4L80E Automatic Transmission Introduction. I Recently ran into a problem with my 05 envoy slt 4x4. It has no 2nd, no manual 2nd either. 2-4 band is slipping. This truck pulls like like a cat d10. And when going down the road at about 40 and try to shift manually in 3rd still nothing just rev. Try not to run or drive the car or further damage could result. I've changed the filter and oil, checked solonoids and they operate fine, VSS is working fine. At speeds over 35 MPH, the engine feels like it's over-revving. 95 blazer 4l60e works when cool and starts. Are you looking to get a 4L60E/4L65E/4L70E Rebuilt or re-manufactured for your Car, Truck, Street Rod, Hot Rod, Street Racer or project vehicle? Bench work on this series of transmissions are all I do. You didn’t mention if you had a lockup converter with the 200-4R but with the 4L60E I would recommend one as you can choose exactly when you want the converter to lockup and in which gear. Here is where you need to start diagnosing why your 4L60E won't shift into overdrive. 4l60e just rebuilt no second gear your problem is in the 2-4 servo assy. Gear Ratios. The TH700R4/4L60, the 4L60E, and the TH200R4 all offer a lower first gear and second gear than my original TH400 with the TH700R4/4L60 and 4L60E offering the best choice with a 3. This kit allows fully automatic operation of the torque converter clutch in 4th gear when retro-fitting a vehicle with a 700R4 transmission, or in 1982-1993 700R4 equipt GM vehicles that no longer use the factory ECM to control torque converter clutch strategy. When this happens you have no 2nd gear, 4th gear, or reverse. 4l60e problems not shifting to 2nd and 4th? This is a discussion on 4l60e problems not shifting to 2nd and 4th? within the Automatic Transmission forums, part of the Drivetrain category; Has anyone ever had this problem or know the solution. Though most automatic transmission diagnoses and repairs are beyond the scope of the home mechanic, you can diagnose some common issues without specialized tools or training. Sonnax Super 4th Servo 4L60 4L60E 4L65E 4L70E Transmission 2nd Gear Super Hold Servo Kit Sonnax 5. 2-4 band is slipping. When that happens, the splines that connect to the reverse sun gear can no longer hold on to the sun gear, causing no reverse. Buy quality transmission parts, Superior Super Servo increase holding power for 2nd gear. Is it a stronger TC? really never heard of it (but that says nothing obvious). 4L60E, no second gear just slips. Trans shifts into gear harshly, car feels sluggish off the line, No 1st, 4th or TCC lockup available, Manual 2nd, 3rd and Reverse are only available gears, CEL is on:. No 4th gear. High Performance Our level 2 and level 3 700r4 and 4l60e units are fitted with 8 GM high energy clutches in place of factory 6. Notes: In 1993 the THM700 was renamed the 4L60, this was an electronic version. Close-Ratio Level-3 4L60E Automatic Transmission: 19X five-pinion rear planet 6-pinion E Gear front planetary (2. I Recently ran into a problem with my 05 envoy slt 4x4. (Page 1 of 3). Manual Gear shift is the same way. 369 A C TH 700-R4 (4L60) 82–93, 4L60E 93–ON, 4L65E 02–ON 4 SPEED RWD (Electronic & Hydraulic Con trol) Revision 03/2012. I topped the fluid up and all was well (still had P1870 code). code I was getting indicates Shift A Solenoid (electrical). doc page 4 of 13 4 tcc system stuck on p0742 when the tcc is. Try not to run or drive the car or further damage could result. There are no reviews yet. This allows the spring to push the 1-2 shift valve into the upshifted position. So I changed both shift Solenoids and changed the fluid in the pan, but no change any advise about what might be going on or how to fix would be greatly appreciated. 17% more apply area than OE. Doesn't the 2-4 band cover 2nd and 4th gear? Yes, it does but the 2-4 servo uses 2 apply passages. Default operation. They said on a few forums that if the 2nd apply piston is wore too much it can leak causing the 1-2 rpm flare I'm getting but yet still have a good 4th gear (which it goes in 4th good if I can get the speed up enough but I don't like pushing it, don't wanna burn that band up). PART# 117308 Be the first to write a review. The gear ratio is the relationship between the number of turns made by a driving gear to complete one full turn of said gear. This would still allow you to hold first gear manually if you wanted an extended 1-2 shift but otherwise it would dump off into second in the first 10 feet. the RPMS go all the way to 4000 but it wont go into 3rd. This gearbox is different because it applies an overdrive to First gear to create Second. I Recently ran into a problem with my 05 envoy slt 4x4. 70 overdrive. Loading Unsubscribe from Jay Christensen? 4L60E Design Changes and Tags - Duration: 20:11. 8 is a 4L65E same case and all but different electronics and upgraded parts inside. Remove & replace or rebuild: 1st and 3rd only, will not work in 2nd ,4th or Reverse sunshell is fractured or splines are sheared off. its not going to be the sunshell if it has 2nd and 4th. Slip speed is higher in second and fourth gear than in third gear. GM 4l60e interchange Calling all tranmission guys. Doesn't the 2-4 band cover 2nd and 4th gear? Yes, it does but the 2-4 servo uses 2 apply passages. The low sprag is the holding element that allows 1st gear. No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD : ShiftA. 81″ torque converter) of transmission fluid, Top 30 Common 4L60E Transmission Problems and Repair Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. so i have to go 40 miles/hr and you can hear the truck being forced. 4th oil uses one passage while 2nd oil uses the other. Average repair cost is $2,260 at 100,500 miles. The included apply pin is longer than the longest OE pin, and has added seals to reduce leakage of 3rd and 4th gear oil pressure. so here's. Range Position 1 - First Gear and Second Gear Range Position 2 - First Gear and Second Gear Range Position D - Third Gear Range Position OD - Fourth Gear (overrun clutch is not applied in this position but engine braking is present) There are two ways to provide engine braking to the 4L60E at all times. 7l from the md 90's till now. 2-4 band is slipping. Condition/Concern: The 4L60E/4L65E may experience an intermittent neutral condition while accelerating from a stop (category one) or while driving (category two). Important - Vehicle speed must be over 11 km/h (7 mph). Today, the 4L60e series use 2 shift solenoids in order to meet OBD II standards and regulations. No 2nd or 4th gear. If your vehicle is shifting late or very suddenly between first and second gear, you could have an issue with the throttle position sensor. The gear ratio is the relationship between the number of turns made by a driving gear to complete one full turn of said gear. The sprag clutch is active in all forward gears (except 4th while in 4th/OD) so I'm curious what led you in that direction? The Low Roller clutch, however, is unique to first gear. most common problem that i read about the no reverse and 1st is a broken or cracked "sunshell or gear" i can buy this at the local at the transmission shop. you can pull the servo assm and check it. video series on 4L60E teardown and re. As an aid to the. The second gear clutch is the most used and abused clutch in the transmission (it is applied in 2nd, 3rd, and 4th gears), and its failure is a common cause of gear slipping. 63 Second, which was a holdover from the 700-R4 and better suited to a dump truck or. The larger Second and Fourth-gear band servo pistons (left. Sudden grinding noise with no prior warning primarily in 2nd gear, behavior in reverse may be abnormal; sunshell is fractured. 4L60E won't shift past 2nd by Justin: I have a 4L60E transmission in my 94 silverado 1/2 ton 2wd it's got 263,000 miles on it. They were made from an inferior metal that wasn't properly heat treated and it shatters without warning. Thanks in advance. To get engine braking, the lever must be in 3rd or lower. Are you looking to get a 4L60E/4L65E/4L70E Rebuilt or re-manufactured for your car, truck, work truck, street rod, hot rod, LS swap or project vehicle? Bench work on this series of transmission (late '99 - '05) is all I do. Don't worry, it will not shift brutally into 4th. Let’s start with a brief history. 3/4 Clutch Pack. The car is safe to drive (in 2) until you can get it fixed. 700R4 / 4L60E / 4L65E. This type of shift solenoid malfunction is typically caused by fluid contamination that results in the plunger not moving when it receives a signal. 2-4 band is slipping. has no 2nd gear,I have it disassembled and can't see anything wrong. Raybestos steels. The GM 4L60E/65E/70E-4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year. Find Automatic Transmission Servo Kits with 4L60E Transmission Type and get Free Shipping on Orders Over $99 at Summit Racing! 2nd gear (7) 4th gear (2) Servo. new 4l65e trans taking off from a stop no 1st,2nd gear. 4L60E / 4L65E 4th Gear Super Hold Dual Servo Kit Sonnax Servo Kit that has 40% More Serface Area These Transmissions often have issues with poor 3-4 shift quality. New torque converter within the last 15k miles or so. Sonnax Super 4th Servo 4L60 4L60E 4L65E 4L70E Transmission 2nd Gear Super Hold Servo Kit Sonnax 5. No slipping, no unusual noises, and it's a night and day difference acceleration wise from. I've had BB tune in it for about 40k miles with no issues. Electronic Control Transmission (ECT) The Electronic Control Transmission is an automatic transmission which uses modern electronic control technologies to control the transmission. The reason he dont have 2nd gear can be for 2 reasons. Rear planetary carrier bearing failure. 3 • Fail Timer ≥ 2 seconds AND FAIL CASE 4 • 1 second after commanded gear is 3rd. Transmission must be removed and rebuilt. It is only when I stop at a stop sign or red light this will happen. Otherwise, 2-4 band is worn out. Inspect all gears, pinions, and carriers for signs of wear, galling, or other damage. Fits 700R4, 4L60E, 4L65E. Ultra wide carbon composite 2-4 performance band with reinforced pin area to prevent tear through. 1st and 3rd only, no 2,4 or R; sunshell is fractured or splines are sheared off. I would search around for "4L60e no first gear" keeping in mind that it is distinct from the common issue of "starting in 2nd". Example: Slip speed is higher in second and fourth gear than in third gear. Dropped valve-body replaced 1-2 accumulator piston it was broke. It will shift into 3rd all day long. This gearbox is different because it applies an overdrive to First gear to create Second. While the 4L80E uses a 2. I have a 2005 Chevrolet Trailblazer with the 6 cylinder engine and 4L60E tranny. I've changed the filter and oil, checked solonoids and they operate fine, VSS is working fine. 3L quantity. For the ultimate servo combination in your 4L60/4L60-E, Sonnax recommends using the Sonnax 4th gear super hold servo 77767K with the Sonnax 2nd gear super hold servo kit 77911-03K. In this position the 1-2 shift valve supplies pressure to apply the 1-2 servo for second gear. So I changed both shift Solenoids and changed the fluid in the pan, but no change any advise about what might be going on or how to fix would be greatly appreciated. *Check the 3rd Accumulator Checkball Assembly to make sure it does not leak into the Transmission case. 4L60E no third gear by tyler goodrich: My 94 gmc4x4 wont shift into third. I have a 2000 Silverado that just recently started missing second gear. Average failure mileage is 137,000 miles. This transmission was rebuilt last year and has worked great up till this point. 4L60E No 4th Gear Discussion in ' there's only one band in the trans and its for 2nd and 4th if it was bad i dont think id have 2nd gear. This comes at the expense of a shallower first gear, however, which hurts low end acceleration. Otherwise, 2-4 band is worn out. About a week ago, it started to slip a little when climbing a hill like sliding into gear and not a good firm shift. 4 quarts (11. If the trans is not slipping in gear, then leave the line pressure tables alone and ONLY reduce the "Shift time (sec) vs. Almost every rear-wheel drive vehicle manufactured by General Motors features the 4L60E transmission. Trans shifts into gear harshly, car feels sluggish off the line, No 1st, 4th or TCC lockup available, Manual 2nd, 3rd and Reverse are only available gears, CEL is on: transmission is either in. 81″ torque converter) of transmission fluid, Top 30 Common 4L60E Transmission Problems and Repair Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair. 1996 Chevy C1500 5. Since the servo applies the 2-4 band in 2nd gear, releases it in 3rd and reapplies it in 4th, the servo plays a vital role in the operation of your transmission. Doesn't the 2-4 band cover 2nd and 4th gear? Yes, it does but the 2-4 servo uses 2 apply passages. The Sonnax 4th gear super hold dual servo assembly 77767K features 40% more apply surface area for greater holding power. 4L60E Problems & Troubleshooting. you can pull the servo assm and check it. my check engine light is on but don't know what codes it is giving. Remove & replace or rebuild: 1st and 3rd only, will not work in 2nd ,4th or Reverse sunshell is fractured or splines are sheared off. I pulled the trans pan cover to inspect the solenoids since the truck had no 1st or 4th gear. This Accumulator Assembly Includes an OEM piston housing, new seal, spring, pin and metal piston. Second and 4th use the same band and the same forward clutch. *Check the 3rd Accumulator Checkball Assembly to make sure it does not leak into the Transmission case. 2-4 band is slipping. Sonnax Super 4th Servo 4L60 4L60E 4L65E 4L70E Transmission 2nd Gear Super Hold Servo Kit Sonnax 5. There are no reviews yet. Trans shifts into gear harshly, 3rd gear starts, manual 2nd available but no 1st, no 4th, and no TCC lockup: No power to transmission, or trans is in limp-home mode.