1999 Pontiac Grand Am GT "check bad thermostat" Questions

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...cost you a lot of unnecessary money. If you do not see any leaks I feel you should let a mechanic check the engine out as you could have a blown head gasket which is a bad thing to have to

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check the main fuse box under the hood for a bad fan relay or blown fuse.if the relays good or the fuse is good,try this,with motor off,spin the fan by hand to see if it's locked up,if it does'nt spin

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...bad it can keep the fans from coming on but this usually produces a check engine light and a code. If you have any further information for me to go over ill look at it all and get back to you. Please ...

Question about Pontiac Grand Am

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...check your coolant if there is oil in your coolant you have a head gasket problem heating coil! mine is bad too. tends to blow cold air but if u hit the thermostat under the hood the coil should work ...

...Check for the little things first, leaks and loose hoses. Next time you change the oil, make sure no coolant is in it. If all checks out with the hoses, leaks, and cap, change the thermostat. Before ...

Question about Pontiac Grand Am

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...bad thermostat check your temp gauge if its at least half way up to 200 degrees thermostat is ok then you will have to check heater core hoses for flow in and out to make sure they are hot. if all ...

Question about Pontiac Grand Am

1 Answer

...check the heat supply to the core. It's not opening for some reason. Find the reason and you fix the problem. If the engine runs cold constantly, that could be the thermostat. But that almost never ...

Question about Pontiac Grand Am

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...test my 01 pontiac grand am temp. gauge will not read. ive replace thermostat sensor still wont read check engine light still on. do not believe sensor is bad, tested sensor? thought? Bad

Question about Pontiac Grand Am

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...check out the cooling fan relay,replace it is it is bad,and the coolant sensor can cause the problem also.Radiators that are clogged up on the inside can cause this problem also,and make sure the ...

low coolant light is on. Coolant is full and fans on radiator are working Is the check or service engine light on? If so thermostat could be bad if not the sensor could be bad in the coolant resivour

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