I've got that sinking feeling

Discussion in 'Wheels, Tyres, Brakes & Suspension' started by camerafodder, Aug 1, 2011.

  1. camerafodder

    camerafodder Hardcore MB Enthusiast

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    S211 2005 with self levelling suspension on the rear.

    On Friday I noticed the back of my car was sitting lower than normal with the wheels up inside the arches. The nearside is worse than the off-side.

    When the engine is running, the car levels but then randomly drops and re-levels (makes me feel all gangsta innit!). When parked, the back will sink sometimes within a few minutes and at other times certainly within an hour.

    I'm quite practical but just wondered if the collective could add anything before I start. I'm guessing that there is a leak in the pneumatic system somewhere and I'm just interested to learn about any common points of failure.

    Thank you :)
     
  2. OP
    OP
    camerafodder

    camerafodder Hardcore MB Enthusiast

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    Bumpety bump...:)
     
  3. SPX

    SPX MB Club Veteran

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    It's the alloys, you need to swap them for 16" Avantgarde wheels.

    And as it happens.....
     
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  4. renault12ts

    renault12ts MB Club Veteran

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    Obviously check the rear dampers.
     
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  5. OP
    OP
    camerafodder

    camerafodder Hardcore MB Enthusiast

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    Aw thanks Guys, particularly Lee for that incisive diagnosis :rolleyes: I'll run outside with my tape measure straight away. :)
     
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  6. Druk

    Druk Administrator Staff Member

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    The randomness suggests it might be a switch playing up rather than one of the units which you might suppose would fail but not on an intermittent basis. Not that I know for sure but following this with interest.
     
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  7. EDZ649

    EDZ649 Hardcore MB Enthusiast

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    Self leveling systems have a level control valve front and rear, mounted on the chassis. It could well be this that is playing up and should show up on STAR.
     
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  8. OP
    OP
    camerafodder

    camerafodder Hardcore MB Enthusiast

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    Actually Druk did I see you driving East on the A590 from Ulverston at about 17:30 this evening?
     
  9. Druk

    Druk Administrator Staff Member

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    No me, sorry. Head under the bonnet of a 107 in rainy Bathgate.
     
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