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Have a 2006 H3. Had a water pump and clutch/belt break
Have a 2006 H3. Had a water pump and clutch/belt break recently and was replaced. Then on a trip it started overheating. Had radiator cap, thermostat, and sensor replaced but continued running hot. Me… read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
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What will cause the lower radiator hose to collapse? The van
What will cause the lower radiator hose to collapse? The van does not heat very well. I only get about 120 degrees top and bottom. The I can grab both upper and lower hose without getting burned. The … read more
Chris
Chris
15,118 satisfied customers
I have a 2001 yukon denali with 6.0 engine i have replaced
hello i have a 2001 yukon denali with 6.0 engine i have replaced the water pump ,radiator ,thermostat and am having issues with it not getting warm at idle… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,918 satisfied customers
GMC 2500 sierra hd: I'm loosing about 3/4 gal coolant every
I'm loosing about 3/4 gal coolant every 800 miles 2002 duramaz new injectors 5000 miles ago new head installed on 1 side 1500 miles ago after new head still lost coolant white smoke at startup for a c… read more
Gm Tech (Cam)
Gm Tech (Cam)
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Vocational, Technical or Trade Scho
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GMC Safari AWD: 1999 GMC Safari 120k miles I have no heat
1999 GMC Safari 120k miles I have no heat in my cab but my engine is hot... Most recently changed the radiator and bled/burped the system by running with the radiator cap off. Tried to drive and engin… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
GMC Serria: i have a 2005 GMC Serria. had water on # ***** cylinder.
i have a 2005 GMC Serria. had water on # ***** cylinder. motor locked. pulled head on a very cold morning. ice in cylinder hole. no blown head gasket. having heads checked now. antifreeze checked to 3… read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
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GMC: I have a 2005 lly in a c4500 with 75000 miles no tuner
I have a 2005 lly in a c4500 with 75000 miles no tuner or mods, it drips a few drops a day from the overflow tube. It is not losing coolant (only the tiny amount that drips from the tube) With the cap… read more
sprinkles08
sprinkles08
Technician
High School or GED
18,066 satisfied customers
GM H2: I was a corvette mechanic and foreign engine mechanic
I was a corvette mechanic and foreign engine mechanic years ago. I have a 2004 hummer H2. Last week I drove it for about five minutes and it overheated. I pulled over for a bit and drove it again. It … read more
Don - Mo Lurch
Don - Mo Lurch
Owner
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GMC Sonoma 4x2: It has been suggested that I get an engine
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Gary
Gary
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Vocational, Technical or Trade Scho
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gmc Yukon 4x2: so heres the deal, had water pump replaced about
so heres the deal, had water pump replaced about 1 month ago, just because it was due again (250,000 miles). yesterday, i drove it about 30 miles and back home. next morning its overheating quickly. h… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
GMC Sonoma 4x4: OK, here goes the saga of lil blu, which is
OK, here goes the saga of lil' blu, which is a sad story of a truck that just wanted to run. 1994 GMC Sonoma 4WD, Auto with 4.3 liter Vortec "W" VIN Its current issue is that after purchasing the truc… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
My heater and AC does not work most of the times, the heat
my heater and AC does not work most of the times, the heat gauge goes up high then to nornol… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
GMC Acadia SLT: I own a 2011 GMC Acadia. Just yesterday, my
I own a 2011 GMC Acadia. Just yesterday, my wife was driving the SUB and noticed that the "engine overheating" sign came up. At the same time the thermostat shot all the wat up. The SUV is now at the … read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
gmc: 1999 gmc suburban,,wont start,,,,fuel gauge light on
1999 gmc suburban,,won't start,,,,fuel gauge light on dash goes banannas,almost as if there is a short. anf all this after doing engine over haul(intake and exhaust/haedgaskets replaced after blowing … read more
MrDiag
MrDiag
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My car is overheating. We have replaced the thermostat and
My car is overheating. We have replaced the thermostat and the radiator, the water pump is working, the fan is working. The system has been checked for leaks (I believe it was a compression test). Now… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,918 satisfied customers
GMC Sierra 2500 HD SLE: I have a 1993 Sierra 2500 extended
I have a 1993 Sierra 2500 extended truck. When I start the truck and then the turn on the heat, I get heat for about 5 minutes then it starts blowing cool air. Sometimes the heat comes back. The tempe… read more
Jerry
Jerry
Service consultant
Vocational, Technical or Trade Scho
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Cam I contacted you a while back about my 97 gmc 3500 overheating
Cam I contacted you a while back about my 97 gmc 3500 overheating problem. You directed me to a bad head gasket. You were correct that the h.c. test showed positive (after it got hot ) only. Bad head … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
94 sonoma 4.3l top radiator hose blows off new radiator new
94 sonoma 4.3l top radiator hose blows off new radiator new cap clamp was tight not overheating… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,918 satisfied customers
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,823 satisfied customers

GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

ASE Certified Technician

1,589 satisfied customers

GCM master tech over 25 years

Dave Nova

Dave Nova

GMC Technician

929 satisfied customers

ASE Master Certification. GM World Class Certification

Chris (aka-Moose)

Chris (aka-Moose)

GMC Technician

54,679 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

285 satisfied customers

18+yrs experience. State Inspector & GMC Diagnostics/Repair

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

George H.

George H.

ASE MasterTechnician

230 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

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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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