Jeep
Grand Cherokee
23

Replace Transmission Cooler Return Filter if it Has "AB" Suffix on Jeep Grand Cherokee

Problem Description and Possible Solution

If the transmission delays initial gear engagement after being parked overnight or longer, it may be due to a suspect transmission cooler return filter. If the transmission was recently serviced and the part number for the cooler return filter contains an "AB" suffix at the end, a new filter should be installed.

Problem Data
RepairPal Verified
Average mileage: 92,714 (41,000–156,000)
Drive Trains affected: 2WD, 4WD
12 model years affected: 1999, 2000, 2001, 2002, more2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
23 people reported this problem
Comments
Viewing 1 - 6 of 6 comments
On cold start when the transmission goes closed loop (this is a few minutes into driving) the transmission will stall the engine when coming to a stop. At that time there is also delayed engagement, the stall is due to delayed disengagement. After changing the transmission filters (after I read this link) the stalls no longer occur and engagement is normal.

Thanks! This advice was right on...
clogged and fried trans
2005 jeep GC Limited 4 WD. Trans slippage after sitting, then ok after a mile. Has been doing since almost new. Changed trans filter and oil at 30k and 60 k. Still does it....
same as already stated delay in engagement
Delayed shifting after being parked overnight
transmission delay if car sits over night