GMC

GMC troubleshooting questions? Ask a mechanic for answers

Ask an Expert,
Get an Answer ASAP!

Related GMC Questions
2015 GMC Sierra 1500 5.3L, Code P2122 Is coming up what
2015 GMC Sierra 1500 5.3L , Code P2122 Is coming up what sensor would have to be changed to correct the problem ?… read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,081 satisfied customers
The security system in my 2011 train would not stop beeping.
the security system in my 2011 train would not stop beeping. we had to disconnect the battery to stop it. now with the battery connected up the car will not start. there is a light on the shows a car … read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,925 satisfied customers
I have a 2016 AND Retain Danali, V6. Great car but wife
I have a 2016 AND Retain Danali , V6. Great car but wife complains it rides too roughly. I explained that it is the larger wheel rims and low profile tires. Would smaller rims and talked profile tires… read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
272 satisfied customers
2007 GMC yukon engine vibration while coming, automatic
hello JA: Hi. What is your issue regarding? Customer: 2007 GMC yukon engine vibration while coming JA: How many miles are on the car? Is it an automatic or a manual transmission? Customer: automatic 1… read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,081 satisfied customers
This is rather lengthy, but in order to best help me you
This is rather lengthy, but in order to best help me you need the entire information. I had an overheating issue in my front drivers side front wheel area on my 1999 GMC G3500 van. My drivers side cal… read more
Ron
Ron
Automotive Tech
Vocational, Technical or Trade Scho
37,466 satisfied customers
I have a 1999 G3500 van. Recently I had to have the front
I have a 1999 G3500 van. Recently I had to have the front axle/spindle replace as a result of a bad bearing. Had the pads and rotors replaced also. Now when it's been driven the front drivers side whe… read more
Ron
Ron
Automotive Tech
Vocational, Technical or Trade Scho
37,466 satisfied customers
How to reset theft system, it wont start everything seems to
it wont start everything seems to be in order I press the start button and nothing … read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
272 satisfied customers
I have a 2009 chevy Colorado lt having issues with front
I have a 2009 chevy Colorado lt having issues with front breaks they are locking up. so far replaced booster and master cylinder and calipers they are still doing it. what else could it be at this poi… read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,081 satisfied customers
When I turn car on the AC will start working normally
When I turn car on the AC will start working normally (blowing thru dash vents) but then in a minute or so starts blowing only in defrost vents only. No matter what mode (floor, dash, etc) it will onl… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
My transfer case won't fully disengage from 4wd on my 02 GMC
My transfer case won't fully disengage from 4wd on my 02 GMC duramax. What would cause this?… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GM 2015 ACADIA DENALI: I HAVE A 2015 A CADIA DENALI LIT HAS
I HAVE A 2015 A CADIA DENALI LIT HAS ABOUR 4000 MILES THE TRANSMISSION IT STARTED JERKING VERY HARD WHEN IT SHIFTED NOW IT IS STUCK IN LOW GEAR. WHAT IS THE PROBLEM?… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,925 satisfied customers
GM denali xl: , I need to replace the commutateur interruptor
Hi, I need to replace the commutateur interruptor on 1994 GMC Denali xl. Cannot find even after removing the big black case cover behind/above break pedals or the one behind steering wheel. Where is i… read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
272 satisfied customers
2000 c3500 disc front drum rear. Had weak brake pedal. Replaced
2000 c3500 disc front drum rear. Had weak brake pedal. Replaced both front calipers and pads. Rear brakes are good and adjusted. New master cylinder. System is properly bled. Have decent brakes with e… read more
Eric
Eric
Retired
N/A
33,599 satisfied customers
GMC Yukon XL 1500: I have a 2005 yukon xl that keeps going
I have a 2005 yukon xl that keeps going in to reduce egine power, I replace the throttle body, and it still does it I asked onstar to check my truck and they gave me codes PO449, CO9298 and Pl25… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Suburban K15/K1500 4x4: spongy brakes, k1500, suburban,
spongy brakes, k1500, suburban, 5.7L, reman MC, new calipers, new brake cylinders, used ABS Modulator valve, three new brake lines to ABS proportioning valve, bled brakes with liters through each whee… read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,081 satisfied customers
GMC Yukon XL 1500 SLT: We have a GMC Yukon XL 2004 . When
We have a GMC Yukon XL 2004 . When starting the car, and pushing down the break pedal, it vibrates, and makes a loud noise when driving it, it the noise is still there. Is it the brake pads or other?… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 satisfied customers
gmc Yukon Denali: i have a 99 gmc denali .I have had chronic
i have a 99 gmc denali .I have had chronic brake light turn signal problems within the last year or so..I didnt drive the car for over a year because of rear differential goin bad (2nd one) When i did… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
GM terain: I bought a new GMC Terain in Oct 2010. I am having
I bought a new GMC Terain in Oct 2010. I am having a problem with a water and carbon mixture dripping out of the exaust system at various points. Cataletic converter, muffler. I took it to my GMC deal… read more
George H.
George H.
ASE MasterTechnician
Associate Degree
230 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