Question about Cars & Trucks
Some Chevrolet Uplanders have been failing prematurely. This premature transmission failure has been attributed to the control module, which fails, causing the transmission to overheat. The transmission fluid is running overheated if it gives off a burning smell, and if the fluid is extremely dark in color. This symptom is a sign that the transmission is beginning to fail. If the control module is the cause of this transmission failure and the transmission fluid is overheated, the control module needs to be replaced or reprogrammed. The dealership can make this repair.
Posted on Jan 05, 2013
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Posted on Jan 02, 2017
Sorry but if your reverse is having trouble you will probably have to replace or rebuild tranny like me. Otherwise try new filter and fluid first.
Posted on Jun 06, 2009
Are you getting the check engine light? If so the electronics may have gone out. You may not need a rebuild but you won't know till you pull the oil pan on the transmission and inspect the contents. You may also have lost the neutral safety switch. It is mounted on the drivers side of the transmission. Check those out first and let me know what codes you get.
For Ponchoboy; the clunking and hissing you hear are teminal root causes. Drop the oil pan and if it has a lot of filings and metal it is time for a rebuild.
Hope this helps; Rate me highly;
Posted on Feb 09, 2009
check the brake lights and see if they work when this problem happens, U may have a problem with the Park lock system, this locks the gear shift out until the brake pedal is pushed, then a electric solenoid releases a pin and allows u to come out of park, if the brake lights check ok then the solenoid may be sticking at times. Does this sound more like your problem?
Posted on May 12, 2009
Sounds like a bent fork in the transfer case. It is a common problem with your truck. The transfer case is a np236. If it just recently started doing this, the rebuild will cost around $800. If the 4wd has been acting up for a while, the planetary will probably need changed, which is another $200.
Posted on Jun 28, 2009
I would start with a transmission fliud and filter service.
I would then have the trasnmission checked out by a transmission shop. The transmission most of the time has the direct drum band is starting to go. The shops can rebuild it no problem, This is a very common failure wiith the trasnmission.
Posted on Aug 16, 2009
Testimonial: "Thanks alot richtko94'! I'll try that!"
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