2003 Buick Century WATER AND OIL MIXING

2003 BUICK CENTURY
95,000 MILES • 6 CYL • FWD • AUTOMATIC
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RICKERLTD1
  • MEMBER
  • 1 POST
i HAVE WATER IN THE OIL AND OIL IN THE WATER
ENGINE RUNS OK
HOW MANY PLACES CAN THIS MIX?
I HAVE NOT CHECKER COMPRESSION, AND WAS TOLD IT COULD BE FROM THE WATER PUMP HOUSING.
Sep 11, 2010 at 6:34 PM
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BILLYMAC
  • ✓ASE Certified Mechanic
  • 2,204 POSTS
  • ASE Certified Mechanic
hi the most likely suspect is the plastic plantum i have found this many times on this engine.
remove the plantum remove the throttle bore hold up in air shine light through and you will see a hole


when you remove the plantum there will be coolant underneith on the intake if this is the prob
Sep 11, 2010 at 9:41 PM
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