Jeep Compass Forum - View Single Post - Compass Limited Rear Drive Module issue
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post #5 of Old 02-19-2018, 01:41 PM
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Join Date: Oct 2016
Location: Ontario, Canada
Posts: 212
Originally Posted by Mudman1 View Post
I, like many, have the CLUNK around 38 MPH. It is the AWD kicking in when the temps are around 40 or below. Do me a favor, go drive the routes you normally do and where you hear the noise. Then, LOCK the AWD and do it again. The clunk should go away. I've just come to expect it. Lets me know its working . As for a grinding noise, I have no such thing. No signs of leaking anywhere under the Jeep either, as I just did an oil change and full inspection last weekend. My Trailhawk Cherokee always had something leaking by this point (9,000 miles).
Simplest explanation for the clunk is just excessive backlash. Fixable I expect. My 2014 makes absolutely no noise going in or out of 4wd. Just to emphasize the point, I'm super sensitive to mechanical equipment and many times I've picked up impending failures on equipment long before the electronic monitoring or NDT inspections showed anything. It definitely makes no noise.
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