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Thread: Diff rebuild in defender

  1. 23rd May 2017, 05:57 PM #1
    landoman
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    Diff rebuild in defender

    The diff in my defender has been giving of a loud clunk when ever gears are changed or on acceleration
    Took it to the dealers and according to landrover there is no stock of diffs so it was sent out for a rebuild ....All under warranty

    The rebuilt diff was reinstallled but the clunk is still there ....so it's going back to the diff builder to see
    what the problem is .......

    Is it normal to have problems with a rebuilt diff ? The dealer mechanic who is very knowledgeable
    feels the problem is in the diff .......that's why I'm surprised the rebuilder did not get the problem the first time ?
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  2. 23rd May 2017, 06:01 PM #2
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    1nando
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    It's probably your rear drive flanges and or axles! I had 3 diffs until a genius thought to look at the flanges after I was told by someone on this site what I am telling you now...
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  3. 23rd May 2017, 06:09 PM #3
    landoman
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    Quote Originally Posted by 1nando View Post
    It's probably your rear drive flanges and or axles! I had 3 diffs until a genius thought to look at the flanges after I was told by someone on this site what I am telling you now...
    What are the flanges ? ....sorry not very technical ......could be the axels I guess
    .........I'm sure they will find the issue .....
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  4. 23rd May 2017, 06:20 PM #4
    Andy130
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    Flanges are at the wheel ends of the axles - they are the 'driven ends' that rotate the wheels as the axles turn. When they wear they can create knocking noise as a gap is created between the axle spline and the drive flange- the knock is the axle hitting the drive flange as the slack is taken up.
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  5. 23rd May 2017, 06:32 PM #5
    landoman
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    Quote Originally Posted by Andy130 View Post
    Flanges are at the wheel ends of the axles - they are the 'driven ends' that rotate the wheels as the axles turn. When they wear they can create knocking noise as a gap is created between the axle spline and the drive flange- the knock is the axle hitting the drive flange as the slack is taken up.
    Thanks for that .....definitely sounds like a knocking noise ......so hopefully they will find it
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  6. 23rd May 2017, 07:22 PM #6
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    1nando
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    If it's not the flanges and or axles it could be the diff flange being loose or possibly your a frame ball joint. I'd have my money on the flanges and axles
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  7. 24th May 2017, 08:40 AM #7
    PAT303
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    Do kids starting out get taught how to fix vehicles at dealerships or is it all ''the computer said there's no problem so there isn't one'' mentality?.How the **** can we still have dealers rebuilding diff's without noticing the axle flanges are **** when they remove the ****ing things to do it?. Pat
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  8. 24th May 2017, 09:58 AM #8
    Marty90 Guest
    You would think that when rebuilding a diff you would automatically, without thinking,inspect the axles/flanges! It would be second nature .
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  9. 24th May 2017, 05:36 PM #9
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    Bearman
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    Quote Originally Posted by 1nando View Post
    If it's not the flanges and or axles it could be the diff flange being loose or possibly your a frame ball joint. I'd have my money on the flanges and axles
    My money is on the A frame ball joint.
    Cheers......Brian
    1985 110 V8 County
    1998 110 Perentie GS Cargo 6X6 ARN 202516 (Brutus)
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  10. 24th May 2017, 07:27 PM #10
    PAT303
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    I just did my TDCi's at 160,000km,the flanges straight after I bought it. Pat
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