When did the GM 4L60 E transmission come out?

The 4L60-E is the “E”lectronically shift controlled version of the 4L60. The Late 4L60-E was released in 1997 in and fully phased into wide use through GM by 1998 in both RWD car platforms (including the C6 Corvette) and trucks in both 2wd and 4wd configurations.

What causes 1-2 shift failure on a 4L60E?

Test the sensor (there should be a smooth, linear electrical response over the range of motion) or substitute a known good unit. A more serious cause of 1-2 shift failure on the 4L60E is a leak in the 2nd gear apply circuit (servo assembly or 1-2 accumulator). You can test for this by using an external pressure gauge.

What causes a WoT Shudder on a 4L60E?

3. 1-2 Shift shudder at WOT (Wide Open Throttle); delayed or abnormal 1-2 shift; There’s a problem ONLY on the 1-2 shift: 1-2 accumulator piston cracked or stuck cocked in the bore. Check the yellow spring inside the accum housing for breakage.

How much fluid does a GM 4L60E need?

The 4L60E transmission weighs 146 pounds dry, and 162 wet. It requires 8.4 quarts (9.64″ torque converter) or 11.4 quarts (11.81″ torque converter) of transmission fluid, Below is a list of common transmission problems with the GM 4L60E Transmission and possible solutions to repair.

What to do when transmission won’t shift?

An old trick I learned was to get to a huge mall or school parking lot, fire it up, shift into reverse and floor it. Your speedo won’t work, but get going as fast as you can for about 10 seconds. Then, very quickly, drop the column shift lever down as far as it goes, with your foot still firmly planted to the floor.

What kind of transmission does a GM Astro use?

GM Transmission Applications Model Year Engine Trans Type Transmission Astro 1989-1992 TH700-R4/4L60 Astro 1993 – Up 4L60-E Astro Van, Safari 1995-06 V6 4.3L 4 Spd RWD/4X4 4L60E Avalanche 2001-03 V8 8.1L 4 Spd RWD/4X4 4L80E

What kind of transmission does a Chevy Tahoe use?

The 4L60-E is found in nearly every GM rear-wheel-drive application, including the C/K Truck, Sonoma, Jimmy, Tahoe, Yukon, Astro, Safari, Suburban, Bravada, Firebird, Camaro and Corvette Before the Late 4L60-E transmission, there was the Turbo 700R, which was introduced in 1982.

What causes a 4L60E to lose its reverse?

Sun Shell- A broken sun shell will cause the 4L60E to lose reverse. It is known to snap where the splines meet the shell itself. Here’s a short but sweet YouTube video that covers some of the most common issues that cause the 4L60E to lose reverse.

When to replace the accumulator housing on a 4L60E?

Check the yellow spring inside the accum housing for breakage. Also, if the accumulator housing walls are scored, the housing must be replaced. 4. 1-2 shift is delayed and harsh, may not shift into OD: TPS needs to be checked for smooth and linear electrical response over the entire range of motion. If not, this must be replaced. 5.

Is it possible to rebuild a 4L60E transmission?

However, locating the exact match to your vehicle can be difficult and sourcing a properly functioning used 4L60E Transmission may take several installation & removal attempts before getting a good one. This can quickly balloon into a lot of wasted time and money. The term rebuilt can have different meanings from shop to shop.

Why is the reverse clutch not working on my 4L60E?

If the pan looks good, and the fluid looks clean, than it’s likely not going to be the low reverse clutch causing the problem. Valve Body Issues- A bad valve body can make the reverse gear not work in the 4L60E. If the valve body ends up warped, or if the gasket fails, it’s entirely possible that the gear won’t engage.

Why does my 4L60E have no reverse?

Slow, slipping or no reverse: “lo-reverse” clutches are worn out, fluid leak in the reverse apply circuit, or broken sunshell.

Why does my GMC Yukon engine not start?

GMC Yukon: Engine Cranks → Won’t Start There are a lot of issues that can cause your Yukon to crank, but not start. The engine needs air, fuel, and a spark in order to run. It is highly likely that if the engine is cranking, but not starting that it has thrown an OBDII code.

Which is GM rear wheel drive transmission is the best?

It has been considered to be the best rendition of the finest overdrive automatic transmission ever produced. The 4L60-E is found in nearly every GM rear-wheel-drive application, including the C/K Truck, Sonoma, Jimmy, Tahoe, Yukon, Astro, Safari, Suburban, Bravada, Firebird, Camaro and Corvette

What do you need to know about a GM 4.3L V6?

This video goes through the teardown process of a GM 4.3L V6. It has been removed from the vehicle and we take it apart, except for crank and piston removal. 1. Engine: • Fuel System: Purpose is to deliver fuel to the engine. It consists of the fuel tank, pump, gauge/sensor, filter, pressure regulator and injectors.

What kind of engine does a GMC 15 Jimmy have?

The S-15 Jimmy was offered with either a 4-speed automatic transmission or a 5-speed manual transmission. Base power was provided by GM’s 2.0 L OHV four-cylinder engine, producing a meager 83 hp (62 kW).

When did the Chevy S-15 Jimmy come out?

The S-15 Jimmy was introduced in 1983 alongside with the Chevrolet S10 Blazer. When it was introduced it was only offered with 2-doors, in 1991 the 4-door model was introduced but 2-door models were still available.

Is the GMC S-15 Jimmy a noisy car?

The S-15 Jimmy along with the S10 Blazer having the 4.3L Vortec engine have been known to become noisy as they get older. The brake pedals have been known to have a mushy feeling. Please include any external sites that were used in collaborating this data, including manufacturer sites, in this section.

When did the GMC Jimmy get a V6?

The V6 was refitted with a throttle-body fuel injection system for 1986 in order to improve performance and fuel economy.The Jimmy received a new 4.3 L V6 option in 1988, power output was increased to 160 hp (120 kW) in 1989.

Why is my Trans bad on my 4L60E?

Trans seems noisy when moving in 1st and Reverse, noise goes away instantly if you shift to N or the transmission goes into 3rd gear: Reaction planetary is worn out due to high miles or insufficient lubrication. Not a critical failure, but not a good sign either.

What did I do with my 1997 GMC Jimmy?

While driving along the pennsylvania turnpike I had my 1997 GMC Jimmy in cruise control. I taped to brake to turn off the cruise control. After resuming the cruise control the vehicle began picking up speed much to fast.

Why is my GMC Jimmy not shifting into reverse?

This transmission repair shop said that this is common with the Jimmy, as well as a faulty gas gauge, faulty ball joints and oxygen sensors. I did have to replace the oxygen sensor, but I consider that normal repairs. Vehicle unable to shift into reverse because water got into transmission while parked in garage. Manufacturer was notified.

Why is my transmission slipping on my GMC Jimmy?

Transmission – slipped badly. I paid to have it replaced and sometimes it still slips. This transmission repair shop said that this is common with the Jimmy, as well as a faulty gas gauge, faulty ball joints and oxygen sensors. I did have to replace the oxygen sensor, but I consider that normal repairs.

Are there any recalls on the GMC Jimmy?

Contacted the manufacturer, there were NHTSA recalls 01i018000 and 01v200000, but this vehicle was not included in the recalls due to VIN. In addition, this vehicle experienced several other problems as well. The left door broke off while in the driveway, the male joint of the door broke when shutting the door.

What kind of transmission does a Chevy Silverado have?

This is a Chevrolet Silverado 4L60e 1998-1999 Rebuilt Transmission. Transmission like new with all OEM updates and includes a torque converter and a 5 Year Unlimited Mileage Warranty . No core charge.

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