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1991 Toyota Corolla All and warter mixing

Tiny
CJB3934
  • MEMBER
  • 1991 TOYOTA COROLLA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 500,000 MILES
I have a 1991 Toyota Corolla, the all and water mix together. The car runs but I have to stop and make sure there is water in the car when driving. Plus some times when drving a long distance say about 20mi drive and stop the car gets hot. How could this problem be sloved?
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Sunday, January 31st, 2010 AT 5:33 AM

2 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Oil mixing with coolant is an indication of a headgasket failure
driving with coolant mix with oil with cause an engine failure and problem should be corrected ASAP
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Sunday, January 31st, 2010 AT 6:50 AM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
Have a compression test performed to test headgasket and as BMR indicated, have this done ASAP.
Coolant in oil will strip the oil film off main bearings, causing damage and possibly spinning a main bearing.

Headgasket replacement on this engine requires removing the camshafts. MAKE SURE you do not mix up the adjustment shims, they MUST go back in same place they were removed from.
You should also replace the valve stem seals while head is off and spark plug tube seals.
If head is warped, get a remanufactured head, usually cost between $300-700.
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Sunday, January 31st, 2010 AT 8:22 AM

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