Clunking coming from the rear differential (not mounts)
#11
Okay the VW shop says there's some "backlash" in the rear differential. Basically there's a "gap" so when the center drive shalf turns the rear axles don't turn right away. So there are some play between the gears/pinions in the rear differential.
Long story short I need to get my rear diff rebuilt or get a junkyard diff (which could have the same problem). Not looking good
Long story short I need to get my rear diff rebuilt or get a junkyard diff (which could have the same problem). Not looking good
#12
Anyhow, given where you are now in diagnosis it sounds like a rebuild or JY differential is in order. Sorry!
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#14
We can order anything with a part number. A whole rear-end new from VW/Audi won't be cheap though. If you are interested drop me a PM with your model, year and VIN and I'll see what is available.
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Phone: 1.800.924.5172 - Sales: 8:30am to MIDNIGHT EST | Customer Service 8:30am - 8pm EST
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#16
#17
2002 audi tt quattro rear end clunk
I am having a similar problem in my TT, but I started by checking the electrical components first, I pulled the #31 fuse which controls the haldex clutch/automatic gearbox. (my TT is a 6 spd) after pulling the fuse the clunk stopped. maybe try doing the same thing to yours and see if it makes a difference. I for sure narrowed it down
#19
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i have a similar problem, a clunk. 96` a4, 180k.
i notice it between each gear shift, especially when i down shift. i have to let the clutch out very delicately and feel when the gears are touching, then let go.
i looked underneath and found that there is a little-bit backlash throughout the whole rear differential, (just a little) from the center drive shaft to the differential, to the rear drive axles and then the wheels..
but the MOST play is between the rear-shaft cv joint and the differential. almost 15 millimeters. if that play were fixed i think the whole clunk problem would be reduced significantly..
is that the same kind of inner cv joint that's apart of the wheel-axles?
i notice it between each gear shift, especially when i down shift. i have to let the clutch out very delicately and feel when the gears are touching, then let go.
i looked underneath and found that there is a little-bit backlash throughout the whole rear differential, (just a little) from the center drive shaft to the differential, to the rear drive axles and then the wheels..
but the MOST play is between the rear-shaft cv joint and the differential. almost 15 millimeters. if that play were fixed i think the whole clunk problem would be reduced significantly..
is that the same kind of inner cv joint that's apart of the wheel-axles?
#20
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My TT was doing this a while back. Every time the weight shifted on the rear end, the car made a loud clunk. Turns out 2/3 bolts were stripped out on my rear end and that's what was causing the clunks.