no reverse
Thread Starter
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Beginning Member
Joined: Dec 2017
Posts: 11
From: Ocala
no reverse
The jimmy cant go in reverse but works fine in other gears, This happened suddenly with no warning and there is only 68 k on the truck?
What would he possible cause be?
Help much appreciated thanks!
What would he possible cause be?
Help much appreciated thanks!
Starting Member
Joined: Dec 2017
Posts: 109
From: Chaparral, NM
Maybe a bad control solenoid? clogged filter?
BF Guru
Joined: Dec 2016
Posts: 5,600
From: Moscow, ID
Have you seen this webpage?
ETE Reman | Remanufactured, Rebuilt & Used Auto Transmissions & Repair
http://etereman.com/blog/
I've found it useful to get insight into the 4L60E.
This is a quote from one of their pages: The 3 Most Common Problems With The 4L60E Transmission
"The transmission has no reverse. The first culprit I would look at is the low reverse clutch pack. Chances are the clutch disks are simply worn out. If this is the case, you are bound to find a lot of debris in the transmission pan. If no debris is found in the pan, I would turn my attention to the valve body. There may be a leak in the reverse circuit, possibly caused by a blown valve body gasket or the valve body might be warped. Last, but not least, check the booster valve. It’s easy to gain access to it by removing the transmission pan. Look for signs of wear. It could also just be simply stuck in its bore."
ETE Reman | Remanufactured, Rebuilt & Used Auto Transmissions & Repair
http://etereman.com/blog/
I've found it useful to get insight into the 4L60E.
This is a quote from one of their pages: The 3 Most Common Problems With The 4L60E Transmission
"The transmission has no reverse. The first culprit I would look at is the low reverse clutch pack. Chances are the clutch disks are simply worn out. If this is the case, you are bound to find a lot of debris in the transmission pan. If no debris is found in the pan, I would turn my attention to the valve body. There may be a leak in the reverse circuit, possibly caused by a blown valve body gasket or the valve body might be warped. Last, but not least, check the booster valve. It’s easy to gain access to it by removing the transmission pan. Look for signs of wear. It could also just be simply stuck in its bore."
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