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1990 GMC Jimmy Thermostat steaming

Tiny
KOBRA
  • MEMBER
  • 1990 GMC JIMMY
Engine Cooling problem
1990 GMC Jimmy V8 All Wheel Drive Automatic

My car has been overheating and I replaced the thermostat and now its overheating and steaming from the actual thermostat gasket itself. I am going to wait till it cools and redo everything to check to see if everything is correct but assuming everything is correct because I rarely mess up. What else could it be? I didnt use any sealant could this be why its spewing steam?
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Tuesday, October 5th, 2010 AT 5:50 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Test the thermostat though its new and also make sure its installed correctly-
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Tuesday, October 5th, 2010 AT 5:55 PM
Tiny
KOBRA
  • MEMBER
  • 2 POSTS
I fixed the thermostat by sealing it better and now its steaming from somewhere else. Could be the water pump?
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Tuesday, October 5th, 2010 AT 9:35 PM

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