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Volvo D12d engine valve adjustmen went wrong?

Discussion in 'Volvo Forum' started by bravoo67, Oct 22, 2013.

  1. Oct 22, 2013 #1
    bravoo67

    bravoo67 Light Load Member

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    Mar 15, 2012
    Brooklyn NY
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    I just did valve adjustment on my 2006 D12d 465HP engine,
    engine is less powerful and burns more diesel now and got somewhat clicking noise from the engine
    Compression test shows +/- 90% on 5 cylinders and on one it goes as low as 82% - used to be ~95%

    I think he didnt adjusted valves properly
    Can I drive like this for a while??..

    I'm mostly concerned about that "clicking" noise since heard lot of stories about broken/burned engine valves

    Thank you for any info
     
    bravoo67, Oct 22, 2013
    bravoo67, Oct 22, 2013
    #1
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  3. Oct 22, 2013 #2
    baha

    baha Road Train Member

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    pull valve cover and CK them 1 more time.
     
    baha, Oct 22, 2013
    baha, Oct 22, 2013
    #2
    bravoo67 Thanks this.
  4. Oct 22, 2013 #3
    nasriza

    nasriza Road Train Member

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    I would drive it if i was u the inly thing thats going to happen valvea are goin to get tighter and tighter and nothing good can happen from it
     
    nasriza, Oct 22, 2013
    nasriza, Oct 22, 2013
    #3
    bravoo67 Thanks this.
  5. Oct 22, 2013 #4
    snowwy

    snowwy Road Train Member

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    valves are ticking becuase they are loose. they don't get tighter. they get looser. least on a cummins.

    and every japanese engine i worked on back in the day. before hydraulic valves took over.

    i had the same scenario last year. then, one day, one cylinder quit. was dumping fuel into the oil. overheard got rid of the ticking noise. got the cylinder running. power was back and fuel mileage improved. along with improved jakes.

    neglected maintanance. good thing it was a cheap fix.
     
    snowwy, Oct 22, 2013
    snowwy, Oct 22, 2013
    #4
    bravoo67 Thanks this.
  7. Oct 22, 2013 #5
    bravoo67

    bravoo67 Light Load Member

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    Mar 15, 2012
    Brooklyn NY
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    my original mechanic is coming back from vacation Sunday,

    Can I drive like this till he comes back for another 1000 miles?
     
    bravoo67, Oct 22, 2013
    bravoo67, Oct 22, 2013
    #5
  8. Oct 22, 2013 #6
    baha

    baha Road Train Member

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    not good/unknown
     
    baha, Oct 22, 2013
    baha, Oct 22, 2013
    #6
  9. Oct 22, 2013 #7
    nasriza

    nasriza Road Train Member

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    Try at youre own risk type of deal u willing to risk 14k
     
    nasriza, Oct 22, 2013
    nasriza, Oct 22, 2013
    #7
    bravoo67 Thanks this.
  10. Oct 23, 2013 #8
    bravoo67

    bravoo67 Light Load Member

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    Mar 15, 2012
    Brooklyn NY
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    Yeah I parked and will wait for my mech to come back from vacation
     
    bravoo67, Oct 23, 2013
    bravoo67, Oct 23, 2013
    #8
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