Is the 2500HD 4L80E transmission overheating?
Is the 2500HD 4L80E transmission overheating?
05 2500HD 6.0L 4L80e Transmission Overheating after this brutal Winter! | The largest community for snow plowing and ice management professionals. Find discussions on weather, plowing equipment and tips for growing your business.
When did the Chevy 4L80E transmission come out?
Unlike the later 4L60E transmission, the 4L80E did not feature a removable bellhousing, but an integrated bellhousing with only the Chevrolet 90 degree engine bolt pattern being available. In 1991 the 4L80E was rolled out in GM trucks, including the Sierra, Silverado, Suburban, etc. as well as the Hummer H1.
What kind of truck does the 2500HD use?
The classic body style 2500HD trucks used the 4L80E (their actually refered to as a 4L85E) behind the 6.0’s. The D-max and 8.1 trucks use the Allison.
What kind of torque converter does GM 4L80 have?
The torque converter is a fluid turbine drive and like those on its predecessor transmissions; the TH350C, 700R4, and 4L60, the 4L80 features a lock-up pressure plate for direct mechanically coupled driving from the engine crank. The 4L80 features a 310 mm torque converter. As to length, this transmission is 26-1/4″ long.
Unlike the later 4L60E transmission, the 4L80E did not feature a removable bellhousing, but an integrated bellhousing with only the Chevrolet 90 degree engine bolt pattern being available. In 1991 the 4L80E was rolled out in GM trucks, including the Sierra, Silverado, Suburban, etc. as well as the Hummer H1.
The classic body style 2500HD trucks used the 4L80E (their actually refered to as a 4L85E) behind the 6.0’s. The D-max and 8.1 trucks use the Allison.
Is the Chevy Silverado GMT800 supposed to shift?
No need to panic yet. This article applies to the Chevrolet Silverado GMT800 (1999-2006). Your transmission is just supposed to shift and leave you alone. When it fails to do so, you naturally get upset either because of the trouble you are not looking for or the fear of how much the fix may cost.
The torque converter is a fluid turbine drive and like those on its predecessor transmissions; the TH350C, 700R4, and 4L60, the 4L80 features a lock-up pressure plate for direct mechanically coupled driving from the engine crank. The 4L80 features a 310 mm torque converter. As to length, this transmission is 26-1/4″ long.
What’s the transmission temp on a 3.8 engine?
The 3.8 engines had ALOT of problems because of dex I realize this is an old post, but my transmission temp usually runs around 120, even plowing. It has never exceeded 150 until today while just normal driving. It’s been running about 170.
Is the transmission too hot in a truck?
We ran the truck in park for about 20 minutes and drove it for about 20 miles, in traffic and side roads. The transmission temperature did not rise fast and did not exceed 220 degrees, which is still too hot on an 85 degree day. It stayed a little below 200 for longer than the past 2 months or so and no codes.
What to do if your transmission is overheating?
Cleaned the filters in the valve body, change the TCC Solenoid that controls the Torque Converter and put it back together. It didn’t help, the truck was still overheating with no load or towing and the Torque Converter wasn’t locking up.
Why is the transmission not shifting on my Chevy Silverado?
Take a couple of easy steps to see why your truck is not shifting. No need to panic yet. This article applies to the Chevrolet Silverado GMT800 (1999-2006). Your transmission is just supposed to shift and leave you alone.
Can a Chevy Silverado go from 1st to 4th shift?
Transmission is in Limp Home Mode or has no electrical power. Also, PCM has lots of error codes. No 1st or 4th, shift 2nd to 3rd by itself when put in D or OD and locks converter: Goes into gear but sluggish like brakes are on, can manually shift to 2nd to get moving, then put in OD and truck shift 3rd as well as 4th are OK.
Can a shifting solenoid be replaced on a Chevy Silverado?
A shifting solenoid is pretty easy to replace; although, you have to remove the transmission pan to change them. A general trouble code may show that the transmission is slipping, but not pinpoint what the issue may be. Figure 2.
