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1 shock or 2

  • 27-05-2015 6:23am
    #1
    eoin.d
    Registered Users, Registered Users 2 Posts: 395 ✭✭


    Hello i have a vw passat going for nct soon and i have 1 back shock leaking. Question is would i have an imbalance for test if i only changed the leaking shock. Do i need to replace both sides?


Comments

  • #2
    Edwardius
    Registered Users, Registered Users 2 Posts: 3,234 ✭✭✭Edwardius


    Do both. Both shocks could be buggered and only one leaking. if you replace one then you have one good and one (Possibly) bad, which'll mean another retest. Shock test only looks for imbalance, they don't measure whether or not they work properly.


  • #3
    eoin.d
    Registered Users, Registered Users 2 Posts: 395 ✭✭eoin.d


    Was thinking that alright. Thanks for your help


  • #4
    Alanstrainor
    Registered Users, Registered Users 2 Posts: 23,157 ✭✭✭✭Alanstrainor


    Another vote for both here. May as well get them done at the same time as the other side is probably getting close to failure.


  • #5
    ofcork
    Registered Users, Registered Users 2 Posts: 5,468 ✭✭✭ofcork


    My experience I replaced one on my last avensis and passed 3 nct after without issue.


  • #6
    SCOOP 64
    Registered Users, Registered Users 2 Posts: 5,496 ✭✭✭SCOOP 64


    Changed just the one on my Astra a couple years back, fail nct on imbalance, waste of time, get the 2 done.


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  • #7
    visual
    Closed Accounts Posts: 3,267 ✭✭✭visual


    Do both as it will make the handling more predictable and there won't be any issue with imbalance.

    It's like tyres or brake pads always do in pairs if possible on same axle

    Nothing worse than driving a car and it's not quite right.

    NCT test for imbalance is very crude test where two faulty shocks can pass the test


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