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What is wrong with my 95 GMC Jimmy head gasket or what

Tiny
AGCOMAN23
  • MEMBER
  • 1995 GMC JIMMY
I have a 95 gmc jimmy it has started overheating and I found a radiator hose was leaked and started to seperate and there was a leak in the intake. Both fixed however it seems to run hot smoke out the exhaust.I have a head gasket for it and am getting ready to replace it but not sure if it will fix the problem
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Monday, September 5th, 2011 AT 1:19 PM

8 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
What do you mean by "hot smoke out of the exhaust"? If you are suggesting an engine overheating problem, then you are only looking at the coolant temperature. If you are seeing smoke, what color is it?
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Monday, September 5th, 2011 AT 2:28 PM
Tiny
AGCOMAN23
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  • 4 POSTS
I mean it will run hot it had a white tint to it but doesn't do it all the time it only does on start up every so often.I flushed the radiator and got everything takin care of there with no leaks I'm aware of
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Monday, September 5th, 2011 AT 2:42 PM
Tiny
WRENCHTECH
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What temperature is the engine running when this happens?
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Monday, September 5th, 2011 AT 2:44 PM
Tiny
AGCOMAN23
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  • 4 POSTS
My temperature gauge reads nothing which doesn't help me out much
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Monday, September 5th, 2011 AT 2:46 PM
Tiny
WRENCHTECH
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Exactly. You're asking my why your truck is overheating when it really isn't overheating.
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Monday, September 5th, 2011 AT 2:56 PM
Tiny
AGCOMAN23
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But I drive about 15 minutes to work and there is steam from the engine.
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Monday, September 5th, 2011 AT 3:22 PM
Tiny
WRENCHTECH
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You may have a coolant leak somewhere causing steam and that may eventually lead to an overheating problem but right now you're looking for something else.
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Monday, September 5th, 2011 AT 3:24 PM
Tiny
WRENCHTECH
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Pressure test the cooling system to find the leak.
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Monday, September 5th, 2011 AT 3:26 PM

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