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Showing results for tags 'Diff noise'.
Hello everyone, just wondering if any one can give me some advice on a rear end noise on my Gt6 Mk1. The car originally came with a very whiney 3:27 diff which I replaced with a spare 3.89 diff that I had lying around in the back of the garage. No longer did I have a whine, but a rhythmic thudding noise coming from the rear end, as I had some issues with brake pipes fowling a swing spring conversion and the spring was found to be no longer springy (i.e flat) I decided to do a 'quick' rear end suspension rebuild, new brakes, UJ's, new driveshaft, new rear trunnions, bearings, spring etc, etc. taking about two months of Sundays in the end. The first drive back on the road this week and the Thudding noise was still there , i'm assuming as no part was left unchecked or renewed that its the diff! Its a thudding noise, like a muffled knock, that gets faster and louder with acceleration, and when I turn left goes quiet for a bit and then resumes, but not always. I'm thinking the half shaft bearings, but maybe its something else, any ideas greatly appreciated. Thanks Hag