Knock on startup and reversing.

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  1. 7th November 2013, 09:01 AM #1
    GERFIX
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    Over the past couple of days I've noticed a vibration/knock when reversing and starting the car. There was also a buzz the other day like the exhaust was touching something. It sounds like somewhere below the gearlever. Before I get under the car at the weekend, is there a common problem with exhaust mounts or engine/gearbox mounts I should be looking for.

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  2. 7th November 2013, 10:18 AM #2
    Mon the fish
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    What kind of mini do you have? Facelift R53 upper engine mounts are rubbish, could be this

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  3. 7th November 2013, 10:19 AM #3
    N16SHP
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    Quote Originally Posted by Mon the fish View Post
    What kind of mini do you have? Facelift R53 upper engine mounts are rubbish, could be this

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    Pretty sure it's an R56 S?
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  4. 7th November 2013, 10:25 AM #4
    Mon the fish
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    In that case I have no idea

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  5. 7th November 2013, 11:40 AM #5
    GERFIX
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    Yeah, R56 S. Sorry, should have mentioned that.... It does feel kind of engine-mounty when I start her up.

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  6. 13th November 2013, 08:52 AM #6
    GERFIX
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    I had a look under the car at the weekend. Exhaust seems sound with solid enough mounts. The bottom engine mount seems fairly secure if maybe a bit soft - and since being under the car it hasn't done the knocking on start-up again. However, this morning I've gotten the low buzzing again like something is lying against something else.......

    I'm tempted to fir Powerflex bushes to the lower engine mount as a starting point here - any other suggestions?

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  7. 13th November 2013, 12:50 PM #7
    Mon the fish
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    Heat shield somewhere?

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  8. 13th November 2013, 10:21 PM #8
    GERFIX
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    Nah, nothing like that at all. I had the symptom all the way home tonight too. It actually feels like a rough idle now but the revs are steady at idle and there's no loss of power and no problems revving so I'm not thinking anything engine-wise. I obviously need to have a better look underneath this weekend again.

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  9. 14th November 2013, 09:54 PM #9
    john
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    Duel mass flywheel?
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  10. 14th November 2013, 10:48 PM #10
    Mon the fish
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    Maybe crank pulley?

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