2.0 TDI Common rail compression pressure

Discussion in 'VW Mk6 Golf, Jetta, Beetle, Sportwagen TDI forum' started by Auris, Feb 3, 2016.

  1. Auris

    Auris New Member

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    Nov 23, 2015
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    Car:
    VW PASSAT B6 2008 07 28
    Location:
    Lithuania, klaipeda
    Hi Everybody. I bought car with 2.0 TDI common rail system and now i want to know compression pressure in cylinders? My engine shows in all cylinders 20 bar. This is to low? Thanks
     
  2. chittychittybangbang

    chittychittybangbang Administrator

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    May 23, 2007
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    Car:
    2006 Jetta TDI
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    CT
  3. Auris

    Auris New Member

    Joined:
    Nov 23, 2015
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    Car:
    VW PASSAT B6 2008 07 28
    Location:
    Lithuania, klaipeda
    I do this several times and cranked about 6 times. And now what solve? The piston rings or something else?
     
  4. Peca

    Peca Member

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    Jun 12, 2013
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    Car:
    Passat b5, 2000, 85 KW
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    Pale, Sarajevo BIH
    It could be a many things that can cause low compression. 20 bar is very low compression for tdi engine. If your compression tester is precise your engine is in vary bad condition. There are many reasons for that bad piston rings, warn cylinders, head gasket, cracked head or engine block and many other reasons.
     
  5. xeno555

    xeno555 Well-Known Member

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    Dec 12, 2011
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    Car:
    2012 TDI Tech Package 6mt
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    Mile High
    Mods:
    Malone Stage II. Rawtek 3" from Turbo to Tail. Slammed on Koni. TSW Nurmburg Rims. Whiteline Sway & Ends. Panzer Plate.

    Not low, but 1/2 what it should be. I would suspect that the car would be hard to start (if it started).
     
  6. Automotive Science

    Automotive Science New Member

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    Jan 24, 2017
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    Car:
    2009 Jetta tdi 2.0
    Location:
    Athens Ga.
    Well can I find something on the two camshaft on a 2009 vw Jetta 2.0 tdi


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