1996 Pontiac Grand Am thermostat

Tiny
BRUNSQWICKBABE
  • MEMBER
  • 1996 PONTIAC GRAND AM
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 164,841 MILES
I just had a new thermostat put in, I drove it for about 3 minutes and my temp gauge shot up into the red, I took it back and they said they couldnt find a problem. What should I do. Is it safe to drive?
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Monday, February 18th, 2008 AT 9:10 AM

6 Replies

Tiny
BMRFIXIT
  • EXPERT
Its not safe to drive on an over heated engine at all
serious engine damage will occur
if you had no problem with it over heating before the job was done then I would say let them make sure its full of coolant and no air trapped in the system
good luck
let me know
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Monday, February 18th, 2008 AT 9:37 AM
Tiny
BRUNSQWICKBABE
  • MEMBER
I did not have this problem before they put in the thermostat.I have taken it back to them, they said just "keep an eye" on it.I just took it for a drive and my coolant light was on.I drove for a bit my temp gauge went up and I lost heat but my coolant light went out. It went back down to normal after a few minutes more then I had heat but then my coolant light went back on. Could it be air locked. They claim its fine but.I think they are wrong. Lol
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Monday, February 18th, 2008 AT 10:09 AM
Tiny
BMRFIXIT
  • EXPERT
Its so wrong you shouldnt drive it if its overheating.
Air bubbles more or less is the problem. I would have them bleed the system. Good luck let me know!
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Monday, February 18th, 2008 AT 10:13 AM
Tiny
BRUNSQWICKBABE
  • MEMBER
I was just reading up on this.I have to work and I need my car very soon, I read this. Run it with the radiator cap off. Turn on the heater to make sure water flows through the heater core. As the engine heats up, the water level will drop if there is still air in the system. Keep adding water until it gets hot. Put the radiator cap back on. If it starts to boil, turn off the engine. Let things cool down. Then put the radiator cap back on<<<
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Monday, February 18th, 2008 AT 10:24 AM
Tiny
BMRFIXIT
  • EXPERT
If its some thing you are willing to do go for it
the way I would do it
ask for a helper to sit in the car

starting with engine cool open filler cap and top off coolant
start engine and let it idle for a few min then turn heat on check coolant level and add as needed
ask the helper to raise the RPM no more than 2000rpm
add coolant as needed
helper watching the coolant temp
don t allow it to over heat
when engine reach temp and have heat and its full place cap back on
let it idle for few
shut engine off let it cool
and then check coolant and adjust
and if it still overheat on you then you have a different problem check if thermostat was installed correctly
good luck
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Monday, February 18th, 2008 AT 10:48 AM
Tiny
BRUNSQWICKBABE
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Thank u very much for all your help.U have a great day!
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Monday, February 18th, 2008 AT 10:50 AM

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