GMC

GMC troubleshooting questions? Ask a mechanic for answers

Ask an Expert,
Get an Answer ASAP!

Related GMC Questions
Mpg suddenly drops from 18 mpg to 10 mpg. Cleaned filter
this is a on and off problem for the past 6 months … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
When moving or on an incline the engine stops as if out of
When moving or on an incline the engine stops as if out of gas. Can leave on a flat surface and runs fine. 1997 GMC Turbo diesel. Changed fuel filter, pump that is located between the filter and tank … read more
eric remington
eric remington
FORMER SHOP OWNER/TECHNICIAN/INSPECTOR
associates degree
1,486 satisfied customers
I accidentally put 20 gallons of premium gas in my husbands
I accidentally put 20 gallons of premium gas in my husbands 2015 GMC Sierra 3500. The truck was on empty when I put the 20 gallons in. I drove home approximately 1 mile and it was fine. The next morni… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
I have a 2011 GMC Sierra 4x4. Yesterday, the transmission
I have a 2011 GMC Sierra 4x4. Yesterday, the transmission just wouldn't shift into gear. Drive, reverse....anything. I turned the motor off, waited a few minutes, started it back, then all of a sudden… read more
Ted G.
Ted G.
Sales Manager
Vocational, Technical or Trade Scho
5,478 satisfied customers
GMC Yukon XL 1500: I have a 2001 Yukon XL (5.3 LTR.) I have
I have a 2001 Yukon XL (5.3 LTR.) I have replaced the ignition switch three times in twelve months. When it goes out it has all the typical symptoms (dash goes out, transmission in third gear), and af… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
GMC Sierra 1500 Classic SLE: -2009 gmc Sierra 1500 5.3
Hello-2009 gmc Sierra 1500 5.3 liter-90000 miles. It all started with a ticking noise. Turned out to be stuck roller/lifter and the cam. Had the engine rebuilt and everything was running great for abo… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,312 satisfied customers
GMC Diesel Extended Cargo Van 3500: I operate a GMC 3500, Extended
I operate a GMC 3500, Extended Van, powered by LBZ Duramax Diesel. I haul Expidited Freght thru out the Eastern half of the USA. Its a 2006 model, and I have 270600 miles on the unit. I've never had t… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,312 satisfied customers
GMC Safari Van: SO I have a 1999 gmc safari and lately i start
SO I have a 1999 gmc safari and lately i start the car in the morning and drive around town for short distances and the truck runs terribly. When starting from a stop, sometimes the truck acts like it… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,589 satisfied customers
I have a 1988 GMC 8.2l Detroit diesel how to replace fuel pump
I have a 1988 GMC 8.2l Detroit diesel how to replace fuel pump & how to check if its a RH rotation or LH , can you help… read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,438 satisfied customers
GM Sierra: My 2007 GMC 2500hd duramax diesel keeps stalling
My 2007 GMC 2500hd duramax diesel keeps stalling out. When I get out and pop the hood and pump the regulator a few times it will start. But I am having trouble pinpointing where I need to start. Chang… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC C2500 Sierra XC 4x2: I have a 2004 GMC that is loosing
I have a 2004 GMC that is loosing prime and has a leak near the wire on the fuel filter housing? The Dealer says i need to replace the housing? 2nd issue is the dealer once again is telling me that al… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Sierra 2500 HD SLT: I have a GMC Sierra 1997 Ext Cab/Long
I have a GMC Sierra 1997 Ext Cab/Long Bed 6.5l (f) TD 100K original miles. I just recently filled the coolant up to the "cold" line. And now after a short period (week with almost no driving), I am lo… read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
675 satisfied customers
GMC: I have a 2003 GMC desiel 6.6 and it just cranks over,
I have a 2003 GMC desiel 6.6 and it just cranks over, change filter and oil. It started 5 month ago where it start hard. Is there any recall on this… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Sierra 1500 HD SLE: Have 2002 GMC diesel 2000 HD Sierra.
Have 2002 GMC diesel 2000 HD Sierra. It stopped running last night. All gauges read normal & have 3/4 tank of fuel. It won't start, sounds like just out of gas.… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Sierra: Looking for someone who has experience with GM
Looking for someone who has experience with GM Duramax Diesel engines. I have a 2008 GMC Diesel truck with 150,000 miles on it. Mostly highway miles and all maintenance has been done per the book. The… read more
tripletauto
tripletauto
Shop Foreman
Associate Degree
238 satisfied customers
GMC: I have a 1986 GMC pickup. It has been acting up lots
I have a 1986 GMC pickup. It has been acting up lots latly. Tonight it ran fine until after I put gas in it. Then within a few mile it started to run really rough. wanted to act like it wanted to die.… read more
Mike Kelly
Mike Kelly
Auto Mechanic
Vocational, Technical or Trade Scho
2,460 satisfied customers
We have an 05 gmc duramx diesel. the truck overheated and
we have an 05 gmc duramx diesel. the truck overheated and shut down. we havn't been able to start since. oil smell like burnt rubber. please help.… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC K3500 Sierra 4x4: 2004 gmc 3500 6.6 duamax,after using
2004 gmc 3500 6.6 duamax,after using a bit, will stop at light, will blow some blushish black smoke, then get home back up blow smoke and put into park and blow smoke.this does not happen all the time… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

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

675 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

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x