Question about 2001 Jeep Grand Cherokee
I bought a 2001 jeep cherokee in the summer with 172,000 miles on it and whenever I start up my car after not driving it for a while it won't changes gears immediately. I will be driving and the gear wont change until I hit 42 mph. After the gear shifts the engine will pulsate and i can watch my rpm go up and down quickly. Sometimes when I go from drive into reverse my car will take a second to change gears. There have also been instances where I have gotten to a stop sign that is at the top of a hill and my car will start to roll backwards when I take my foot off the pedal. My engine light is on and I went to have it checked at a repair shop. One place told me that it was a problem with the transmissions torque converter. Another place told me that it was my catalytic converter that needed to be changed. Any suggestions as to what it may be that is causing my car not to go into the next gear?
The problem could be a long list of things, including the main pump in the transmission or the torque converter.
I would need to know what the trouble codes were to advise you on that part.
I would recommend you take it to a couple of transmission shops for advice. They can test pump pressure cold and hot. The trouble codes will also help with troubleshooting.
Posted on Jan 23, 2013
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Posted on Jan 02, 2017
By the grayish color, fluid being thick, and metal shavings, the clutches are pretty much worn out. It's time to either rebuilding your transmission or just installing a good used one. The fluid normally should be a reddish color. The gray is from the actual clutch material going away.
Posted on Aug 17, 2008
SOURCE: Jeep erradic in shifting
Check the adjustment on the brake switch. If the brake switch is not seated properly it will engage when hitting bumps and tell the tranny to come out of overdrive.
Posted on Feb 16, 2009
sounds like either a bad speed sensor or controller. shift points are too high, should be at 2000 or slightly less. if fluid is good and clean and shifts do not flair, check those control units. Not sure about calibrate...could mean out of calibration...Id ask
another tech about that. (i don't know everything!)
Posted on Mar 12, 2009
It could be lash in the differential which is normal, but it could also be a loose u-joint in the driveshaft. Check the rear driveshaft u-joints.
Posted on Mar 12, 2009
Have a code check done and see if speed sensor or controller is working properly. if bought from a dealer, get it back there asap...they can't sell it in that condition!!...No test drive before you ploped down your money?
Posted on Apr 17, 2009
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