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We just changed the heater core and there is no heat.
We just changed the heater core and there is no heat … read more
David Craig
David Craig
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Its continuously overheating JA: Have you checked the coolant? Have you checked for a leak in the cooling system? Customer: Yes. Im having to fill the reservoir frequently JA: What is the model/year o… read more
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GM Bob
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Heater core leak JA: How old are the hoses? And what driving conditions do you most often encounter? Customer: Leaking inside JA: What is the model/year of your Pontiac? Customer: 2006 Grand prix JA: … read more
Jerry
Jerry
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Vocational, Technical or Trade Scho
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I have a 2003 Pontiac Grand Prix 3.8L engine. Had the water
I have a 2003 Pontiac Grand Prix 3.8L engine. Had the water pump replaced and engine flushed less than a year ago. The last few times I have driven it the temp gauge has been fluctuating between 185 a… read more
Gary
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I have a grand prix 06 and it started overheating so I changed the thermostat, a hose that was bad and fix the problem bun after that no heat inside the car, fixed that to by flushing the heater core,… read more
BOBBYSS
BOBBYSS
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My Mom who just got out of the hospital after an 8 month stay tells me that her heat in 2007 Grand Prix is not working according to her husband and my niece. Supposedly they took it to someone that sa… read more
Eric
Eric
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N/A
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Pontiac Grand Prix: Working on a 2007 Pontiac Grand Prix w/v-6,
Working on a 2007 Pontiac Grand Prix w/v-6, 3.8 engine. I only get heat from heater with engine at high idle. At low idle, heater blows luke warm air. every so often, it works properly heat at both hi… read more
Chris (aka- Moose)
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I have a 2007 Pontiac Grand Prix 3.8 base model. Have had
I have a 2007 Pontiac Grand Prix 3.8 base model. Have had coolant system flushed rad flushed and thermostat was deemed ok...car overheats when idling or lots of in town driving but not highway driving… read more
C. Walker, Jr.
C. Walker, Jr.
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Pontiac Grand Prix GT: my 2004 pontiac Grand prix is over heating.I
my 2004 pontiac Grand prix is over heating.I first noticed loss of heat in the car back in march,but going into summer there was no need to use the heat. I replaced the thermostat and noticed the cool… read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
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2006 pontiac grand prix: overheating..leaks..My coolant level
I have a 2006 pontiac grand prix, for the first time it reached overheating status. System shut off the a/c and I have not noticed any leaks, but have noticed a hissing sound at times when I press the… read more
Dan
Dan
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2,257 satisfied customers
grand prix: v6 with a bad air condition condencer...does
have an 05 grand prix 3.8 v6 with a bad air condition condencer and the heater does not work .does the condencer need to be replaced for the heater to work… read more
Canadafix
Canadafix
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2003 grand prix: temp gauge..faint smell of antifreeze..heater core
my 2003 grand prix temp gauge rises and falls. no heat coming out of fan and faint smell of antifreeze,inside the car.Is it a thermastat,heater core,ect… read more
hauto
hauto
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Bachelor's Degree
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2006 Grand Prix: rediator flush and it helped..whats next?
2006 Grand Prix has low heat. did a rediator flush and it helped but did not resolve. whats next?… read more
Dan
Dan
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Vocational, Technical or Trade Scho
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Grand Prix: thermostat, water pump..radiator, intake manifold gasket
I have 94 Pont. Grand Prix, the problem is the temp gague keeps pegging out. We have changed the thermostat, water pump, temp sensing unit, the radiator, intake manifold gasket. Still the temp gague p… read more
ZZDaryl
ZZDaryl
Lead Auto Tech
Some college and advanced training
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Pontiac Grand prix: heater..low coolant sensor..coolant level
I have a 02 Pontiac Grand Prix GT. The heater would not heat up so I replaced thermostat which seemed to bring temp up to 185. Now low coolant sensor is on and off at times yet coolant level is correc… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,569 satisfied customers
OK...so we did the bypass...and it didnt really work out.
OK...so we did the bypass...and it didn't really work out. It is overheating everytime the car is at a stop now. Still think it's the heater core? Or do you have any other suggestion as to what it cou… read more
Anthony
Anthony
Master Automobile Technician
Vocational, Technical or Trade Scho
11,778 satisfied customers
2002 grand prix: overheating..heater core , return hose cool..bleed
2002 grand prix , no heat , new thermostat ,no overheating ,no lost of anti -freeze ,hose hot going to heater core , return hose cool. air in system bleed out. can get small amount of heat at an idle,… read more
BigBob
BigBob
Service Manager
High School or GED
4,792 satisfied customers
2003 Pontiac Grand Prix GT: 3.8L..the cooling system..bleeder..factory
On a 2003 Pontiac Grand Prix GT (3.8L non-SC) where are the cooling system bleeder screws located? I have the factory service manual that indicates there screws (plural) but I have only found the one … read more
Greg A
Greg A
Bachelor's Degree
9,000 satisfied customers
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