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My pontiac montana sport van temperature gague goes up and
my pontiac montana sport van temperature gague goes up and down the fans are not coming on the relays are fine there is coolant in radiator let the engines run and they are still not coming on… read more
Roy
Roy
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Pontiac Montana: I have a 2002 pontiac montana with a 2.4 litre
I have a 2002 pontiac montana with a 2.4 litre engine, I changed the water pump and thermostat because when I bought it the previous owner was told that those need to be changed. Based on it over heat… read more
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Hello, my 2009 Pontiac G8 started overheating. Changed the
Hello, my 2009 Pontiac G8 started overheating. Changed the radiator cap and ran fine for two weeks then overheated again. Checked water pump, no leaks, rotates fine, etc. Replaced thermostat and when … read more
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GM: transmission problem..smoke going out of the hood)..thermostat
Hi, I left my Montana 2007 at the GM Goodwrench Service last week for a transmission problem. They didn't find the problem, but said that during the roadtest, the engine went really hot (lot of smoke … read more
Amedee
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pontiac montana: same problem..if rpms are between 1500 and 2000
We are having the same problem that everyone else seems to have with their pontiac montana. We have no heat at idle. Will heat up if rpms are between 1500 and 2000. But now engine is overheating. We r… read more
JOHN aka Eauto
JOHN aka Eauto
self employed
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Pontiac Montana: extended 8 pass van Overheats..temp gauge goes
Pontiac Montana, 2002. extended 8 pass van Overheats. Temp gauge goes to 9/10 on gauge. Red warning light comes on. Very random and unpredictable. Normally, temp gauge stays at 1/2.summer/winter/heate… read more
Gary
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my coolant wont flow out of the resovor..radiator cap..it overheats
my coolant won't flow out of the resovor into the radiator unless I take the cap off. I have replaced the radiator cap but it didn't make a difference. sometimes I can drive it and it's fine and other… read more
car tech
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My engine still gets overheat if i..cooling..radiator..water pump
why my engine still gets overheat if i changed most of cooling sistem parts ?. (temperature sensor , thermostat , radiator water pump ) .… read more
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99 pontiac grand am: overheating have put new water pump..cap..fans
have 99 pontiac grand am 3.4 is overheating have put new water pump, thermostat, overflow cap on it. no water in oil , and is not leaking water fans are working what should I try next?… read more
GM Tech (Cam)
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2001 Pontiac Montana: compression..water pump, and relays..valves
is there a way to see if my head is cracked on my 2001 Pontiac Montana 4.3l v.6. a compression clamp to my heater hose blew off and has been over heating replaced thermostat, water pump, and relays be… read more
Dave Nova
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1998 Pontiac Montana: overheating..temp gauge..the van..temp sensor
My 1998 Pontiac Montana Transport seems to be overheating and the temp gauge max's out and the engine cuts off but the engine isn't hot. I can drive the van on interstate for 2 hours at 70 mph and not… read more
kalamykid
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1999 Montana: intermittent..overheating..it has run fine for two weeks
My 1999 Montana has started having an intermittent overheating problem. I replaced the intake manifold gasket over the Christmas Holiday and it has run fine for two weeks but all of a sudden this morn… read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
10,845 satisfied customers
1997 Pontiac Montana: a 3.4 V-6 over heats..radiator hoses..flow
My 1997 Pontiac Montana with a 3.4 V-6 over heats within minutes. Pressure in both radiator hoses is rock hard with no flow past the thermostat. It's not the water pump, not the heater coil. Could thi… read more
Pete
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1999 Pontiac Montana 6 cylander 3.4 L. Overheating erraticly!I
1999 Pontiac Montana 6 cylander 3.4 L. Overheating erraticly!I did change the thermostat , water pump not leaking, no water in oil,engine light goes on & off, Help!… read more
autodoc_2000
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99 pontiac montana: water pump..guage..the temp light came..hood
i have 99 pontiac montana i have replaced the thermostat and the water pump after it started to overheat. after test driving it the guage started to rise after 10min of driving then returned to normal… read more
Greg A
Greg A
Bachelor's Degree
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2004 pontiac montana: IS OVERHEATING..THERMOSTAT..OVERHEAT..RAN FINE
WE HAVE A 2004 PONTIANC MONTANA THAT IS OVERHEATING, WE HAD THE THERMOSTAT REPLACED AND IT WAS FINE FOR ABOUT A WEEK BUT THEN IT STARTED TO OVERHEAT AGAIN, WE TOOK IT BACK AND THEY SAID IT MIGHT HAVE … read more
Greg A
Greg A
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2001 Pontiac Aztek: 150k miles..overheating..the heads, water pump
I have a 2001 Pontiac Aztek, it had around 150k miles when I got it. I had some overheating issues. I replaced the heads, water pump, thermostat, and radiator...all new and it still overheats. Is this… read more
Ted the technician
Ted the technician
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2004 Pontiac Montana: overheating..new thermostat..new water pump
2004 Pontiac Montana, occasional overheating STILL after new thermostat, burping the system AND a new water pump. They are going to replace the thermostat again but if that doesn't solve the problem t… read more
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Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

Pontiac Technician

2,403 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Dave Nova

Dave Nova

Pontiac Technician

2,014 satisfied customers

ASE Master Certification. GM World Class Certification

Gary

Gary

Pontiac Technician

1,463 satisfied customers

15 years GM master tech/15 years ASE master

Ron Z.

Ron Z.

- Pontiac Tech -

778 satisfied customers

18+yrs experience. State Inspector and Pontiac Diagnostics

Don - Mo Lurch

Don - Mo Lurch

Pontiac Mechanic

558 satisfied customers

GM, Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.

John

John

GM FACTORY CERTIFIED TECHNICIAN

514 satisfied customers

ASE A1-A8 w/L1 GM master technician.Factory certified/40 years experience

car tech

car tech

ASE Certified Technician

446 satisfied customers

25 years master tech and shop owner

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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