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Please help My car is losing compression but it.

Tiny
MH1459
  • MEMBER
  • 1996 MERCEDES BENZ S420
  • 220,000 MILES
Please help My car is losing compression but it overheated once some time a funny smell came out of exhaust and coolant continues to disappear.
Tuesday, October 11th, 2011 AT 5:26 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,164 POSTS
It sounds like you have a bad head gasket. Coolant is most likely getting into the combustion chamber causing the smell. Also, coolant creates white smoke when it burns. If you see that, it reinforces the head gasket. Make sure no coolant is mixing with the oil. You don't want to damage bearings and other internal engine components.
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Tuesday, October 11th, 2011 AT 6:18 AM
Tiny
MH1459
  • MEMBER
  • 4 POSTS
He said it is a small leak at 15%. What do you think of using a sealant called blue devil?
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Tuesday, October 11th, 2011 AT 5:23 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,164 POSTS
Where is the leak? I never heard of blue devil.
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Wednesday, October 12th, 2011 AT 1:14 AM

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