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    VWVortex


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    Thread: 1.8T Vacuum Leaks

    1. Member VW/1.8T's Avatar
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      Sep 8th, 2010
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      Wisconsin
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      2001 VW Jetta 1.8T
      09-20-2010 09:49 PM #1
      Ok so i have a 2001 Jetta 1.8T. I did a vacuum test on it today and i had a bad leak. I checked the diverter valve and the fuel pressure regulator. I need ideas as to where to start looking for problems.
      Any input would be appreciated.

    2. Member jawnsense's Avatar
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      3 girls cars and a rwd toy
      09-20-2010 09:55 PM #2
      you shouldve felt around for leaks when your engine was pressurized. feeling/hearing the leak is a piece of cake.
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    3. 09-20-2010 10:23 PM #3
      i just did this to mine, i took some water with soap in it and sprayed around where i thought it may be leaking. i had a crack in my PCV hose coming out of the block and the gasket under the cam tensor right next to the valve cover was bad but that's just me.

    4. Member MaSeDoGG's Avatar
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      Jan 22nd, 2004
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      Blue Lagoon GLI
      09-20-2010 10:32 PM #4
      i've got an 02, but i just had to replace the crankcase breather hose due to vac leak... it was running realllllly bad.
      they should just put a picture of me in the dope shizz thread and lock it.

    5. Member pizzarrhea's Avatar
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      Jun 27th, 2010
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      Northshore, MA
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      '10 Golf TDI SBM
      09-20-2010 10:43 PM #5
      I had a similar problem when I got my 1.8t two months ago. My upper PCV hose was cracked. Check that out.

    6. Member Opption's Avatar
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      Jul 29th, 2008
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      Pennsylvania
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      Jetta TDI
      09-20-2010 10:45 PM #6
      carb cleaner on vac hoses = if rpm increase that's where you have a vac leak.

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