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    VWVortex


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    Thread: Oil Warning light comes on.....Oh no

    1. Junior Member 88jettaguy's Avatar
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      88 Jetta GL - Future Project
      04-10-2012 02:30 PM #1
      I have an 88 Jetta GL 1.8/8v engine RV the oil warning light(buzzer too) comes on then goes out. Oil is full. I have several ideas but that's all. I believe the since it 24yrs old that several things could be wrong....
      >clogged pick up screen
      >failing oil pump
      >faulty oil sending unit
      >old age

      Should I consider a engine flush first the go from there?

    2. Member
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      Salem, Oregon
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      1977 VW Scirocco 1.8/Weber carbs, 1986 VW Golf Diesel, 1978 Rabbit 1.6
      04-11-2012 10:55 AM #2
      Skip the flush......

      Add to your above list:

      Intermediate shaft bearings
      Oil pump upper shaft bushing
      Check wiring to sending unit
      Verify oil pressure with a mechanical gauge. (You can temporarily hook one up and drive around to watch it. I'd recommend a permanent installation though.....more reliable.)

    3. Member ps2375's Avatar
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      80 Rabbit(DEAD), 94 Golf
      04-15-2012 12:19 PM #3
      What weight oil?
      Tradition is the art of making the same mistake repeatedly, on purpose.

      FS:MkI low back front seat upholstery(new)

    4. Junior Member 88jettaguy's Avatar
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      88 Jetta GL - Future Project
      04-30-2012 09:05 PM #4
      Oil pressure was in range. Found lower oil pressure sensor failed replaced and all is good

    5. Junior Member 88jettaguy's Avatar
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      88 Jetta GL - Future Project
      04-30-2012 09:09 PM #5
      Quote Originally Posted by ps2375 View Post
      What weight oil?
      In the winter 10w/30.
      In the summer 20w/50

    6. Member
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      05-01-2012 06:26 AM #6
      Quote Originally Posted by 88jettaguy View Post
      In the winter 10w/30.
      In the summer 20w/50
      way to heavy, find a 5w-40 or 5w-30 you like and use it year round. you want something thats pumping the minute it fires. but then again how many miles do you have? if it's been working keep on.

    7. Member Taran's Avatar
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      2003 GTI, 1985 GTI
      05-08-2012 09:57 AM #7
      Quote Originally Posted by gmikel View Post
      way to heavy, find a 5w-40 or 5w-30 you like and use it year round. you want something thats pumping the minute it fires. but then again how many miles do you have? if it's been working keep on.
      No. In the older 8v engines, 20w-50 is appropriate for summer use, and 10w-30 is fine for winter. Mild winter on the east coast this year, I used 20w-50 all year round in my 1985 GTI (HT engine).

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