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head gasket

The green cap holds 150kpa, *twice* the pressure than black caps (plenty of previous discussion can be found). Grey cap is about 100 Kpa, I think. Newer cars than 940 use them, but Volvo just saved money by specifying one cap for all cars that fit it. The green cap may explain the blown radiator hose, as it happened to me too after a few months of using green cap.

Black 75kpa cap generates plenty of pressure to keep engine cool and still a cheap place to start solving your problem. To find one, use 240 for model instead of 740. I got mine at Pelican Parts.






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New head gasket
posted by  myribitsbroke subscriber  on Tue Apr 3 18:03 CST 2012 >
  • New head gasket
    posted by  aleekat  on Tue Apr 3 22:45 CST 2012 >
  • New head gasket
    posted by  myribitsbroke subscriber  on Tue Apr 3 22:56 CST 2012 >
    • New head gasket
      posted by  aleekat  on Tue Apr 3 23:20 CST 2012 >
      • New head gasket
        posted by  myribitsbroke subscriber  on Sat Apr 7 11:10 CST 2012 >
        • New head gasket
          posted by  740_dan  on Sat Apr 7 12:36 CST 2012 >
          • New head gasket
            posted by  myribitsbroke subscriber  on Sat Apr 7 13:22 CST 2012 >
  • New head gasket
    posted by  740_dan  on Wed Apr 4 00:55 CST 2012 >
    • New head gasket
      posted by  myribitsbroke subscriber  on Wed Apr 4 14:19 CST 2012 >
      • New head gasket
        posted by  740_dan  on Thu Apr 5 13:16 CST 2012 >
        • New head gasket
          posted by  myribitsbroke subscriber  on Thu Apr 5 14:25 CST 2012 >
  • New head gasket
    posted by  Chris Mullet subscriber  on Wed Apr 4 06:34 CST 2012 >
  • New head gasket
    posted by  myribitsbroke subscriber  on Thu Apr 19 15:23 CST 2012 >
  • New head gasket
    posted by  Pilicer subscriber  on Fri Apr 20 20:13 CST 2012 >


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