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Rumble at tight turn - Center differential clutch pads?
I feel the strong vibration/rumble during tight turn at low speed in garage. I found some threads talking about quattro rumble. Dealer told me to replace the center differential for my 2018 S (with DCT, crown gear quattro, only <20K miles). The fluid came out didn't show the metal, only some black particles. Guessing from the clutch pads in the differential. Any one has the experience only to replace the clutch pads inside the center differential?
I just did a forum search and found this thread. I have the same symptoms in a 2020 Q5 with 38,000km. The service tech went with me for a test drive and immediately concurred there was an issue. He called it the Quattro rumble too. There is a TSB 2059129/5 that also covers your A7. I believe all they do is change the center diff fluid and generally if goes away. Worth a shot before changing out the diff entirely. I'm picking up the car later today but the TSB says it can take up to 600miles to effect a noticeable change. Others in a similar thread says it works pretty much right away. No idea why this happens of course.
I just did a forum search and found this thread. I have the same symptoms in a 2020 Q5 with 38,000km. The service tech went with me for a test drive and immediately concurred there was an issue. He called it the Quattro rumble too. There is a TSB 2059129/5 that also covers your A7. I believe all they do is change the center diff fluid and generally if goes away. Worth a shot before changing out the diff entirely. I'm picking up the car later today but the TSB says it can take up to 600miles to effect a noticeable change. Others in a similar thread says it works pretty much right away. No idea why this happens of course.
Thanks for the heads up. They changed the center diff fluid for me. Let me drive around to feel how it goes. But I still don't quite understand since center diff just distributes power between front and rear, how does it affect during the tight turn?.. Anyway hope you got it fix on your Q5!
It distributes power but also allows the front and rear axles to turn at different speeds. I can only guess the original fluid from the factory breaks down over time and causes the diff to bind slightly? Frustrating no one know what's actually going on with these things. I'm of two minds whether to keep this car out of warranty (2 months left) but on the other hand its a great car and differentials are pretty hardy beasts.
It distributes power but also allows the front and rear axles to turn at different speeds. I can only guess the original fluid from the factory breaks down over time and causes the diff to bind slightly? Frustrating no one know what's actually going on with these things. I'm of two minds whether to keep this car out of warranty (2 months left) but on the other hand its a great car and differentials are pretty hardy beasts.
Good idea to drive 600 miles within a month and see if it really needs a center diff change.under warranty...
The rumble you hear when making tight turns at low speeds in your 2018 Audi S model might be coming from the center differential, especially the clutch pads inside it.
The rumble you hear when making tight turns at low speeds in your 2018 Audi S model might be coming from the center differential, especially the clutch pads inside it.
Have the Q5 back now and it's fixed, hopefully for good. The TSB on the invoice (for the Quattro rumble) is 2056020/11. This is in Canada.
Work performed - changed fluid for front all wheel drive coupler, drove to get coupler to temperature, and changed it again.
Have the Q5 back now and it's fixed, hopefully for good. The TSB on the invoice (for the Quattro rumble) is 2056020/11. This is in Canada.
Work performed - changed fluid for front all wheel drive coupler, drove to get coupler to temperature, and changed it again.
Good to hear it's fixed for you. Thanks for the info!
05-22-2024, 12:22 PM
Rumble at tight turn - Center differential clutch pads?
