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Car Forum / Pontiac / Pontiac Cars / December 2006

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Pontiac Grand Prix- Close to Heating-up

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Jo - 19 Dec 2006 03:25 GMT
I have a 2002 Pontiac Grand Prix. It has never given me any problems
since I have owned it. Just last week I noticed the temperature gauge
in the car looked like it was pretty close to heating up (a notch
before the red line). I checked all of the fluids and they were all
fine. When the car is in motion the temperature gauge is at mid range
(right in the middle) or below that. When I stop at lights the
temperature gauge goes up quickly to the line right before being in
the red. When I park, the hood is not even hot. What am I looking at?
and how much is it going to cost to repair????

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T Shadow - 19 Dec 2006 08:59 GMT
> I have a 2002 Pontiac Grand Prix. It has never given me any problems
> since I have owned it. Just last week I noticed the temperature gauge
[quoted text clipped - 5 lines]
> the red. When I park, the hood is not even hot. What am I looking at?
> and how much is it going to cost to repair????

Thermostat most likely. Relatively cheap. Letting the engine run hot can be
very expensive.
Les Benn - 19 Dec 2006 18:51 GMT
a few possibilities
1) thermostat need replaced
2) temp sensor for the fan needs replacement I think you have an electric
fan in that car.
3) the fan motor is not working at all (not likely but possible)

cost of doing nothing is probably about 800 dollars fixing it will cost
probably less than 200.

>I have a 2002 Pontiac Grand Prix. It has never given me any problems
> since I have owned it. Just last week I noticed the temperature gauge
[quoted text clipped - 5 lines]
> the red. When I park, the hood is not even hot. What am I looking at?
> and how much is it going to cost to repair????
Geoff Welsh - 19 Dec 2006 19:36 GMT
and there's a fan relay involved too.
There is not a temp sender for the fan.
There's a sender for the PCM.  When the PCM sees hot enough temps, it
grounds the relay thus energizing the fan.

With 2007 days away, it's time to flush the coolant on a 2002, btw.
Read the Dex-Cool sticker under the hood.  Five year flush interval.
GW

> a few possibilities
> 1) thermostat need replaced
[quoted text clipped - 14 lines]
>> the red. When I park, the hood is not even hot. What am I looking at?
>> and how much is it going to cost to repair????
Jo - 21 Dec 2006 02:25 GMT
Okay, this is an update. On 12/19/06 --I took my car to a mechanic. He
said the Intake Manafold Gasket was leaking --$648.00 was the cost. So
he proceeds with the repair and i drive my car less than 1 mile home.
Today 12/20/06 -I get in my car to go to work and the car is dead; not
even the power locks, power windows ---nothing at all operational.
Mechanic comes to my house and says ---your battery is dead -"did you
leave something on?". NO. I really need advise on what to do. Anybody
have any ideas

> I have a 2002 Pontiac Grand Prix. It has never given me any
> problems since I have owned it. Just last week I noticed the
[quoted text clipped - 6 lines]
> park, the hood is not even hot. What am I looking at? and how
> much is it going to cost to repair????
Geoff Welsh - 21 Dec 2006 10:21 GMT
Charge and load test the battery.  It's likely shot.
The battery in my 2002 GM vehicle died over a year ago.

GW

> Okay, this is an update. On 12/19/06 --I took my car to a mechanic. He
> said the Intake Manafold Gasket was leaking --$648.00 was the cost. So
[quoted text clipped - 15 lines]
>  > park, the hood is not even hot. What am I looking at? and how
>  > much is it going to cost to repair????
T Shadow - 21 Dec 2006 18:10 GMT
> Charge and load test the battery.  It's likely shot.
> The battery in my 2002 GM vehicle died over a year ago.
[quoted text clipped - 20 lines]
> >  > park, the hood is not even hot. What am I looking at? and how
> >  > much is it going to cost to repair????

Sounds like the serpentine belt wasn't reinstalled correctly. It drives the
alternator(charges battery) and water pump.
David Courtney - 21 Dec 2006 19:13 GMT
Check to see if the battery cables are loose.  The mechanic may have
forgotten to tighten them back up when he was done.

> Okay, this is an update. On 12/19/06 --I took my car to a mechanic. He
> said the Intake Manafold Gasket was leaking --$648.00 was the cost. So
[quoted text clipped - 15 lines]
> > park, the hood is not even hot. What am I looking at? and how
> > much is it going to cost to repair????
 
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