GMC

GMC troubleshooting questions? Ask a mechanic for answers

Ask an Expert,
Get an Answer ASAP!

Related GMC Questions
Problem after TCM replaced. 2008 GMC Acadia. I have it at at
I have it at at garage. The TCM failed while traveling and was told I had to replace the upper valve assembly and the TCM. Installed TCM but only park and drive work. … read more
Roy
Roy
shop foreman
Associate Degree
4,476 satisfied customers
My sirius xm radio keeps dropping signal. Sirius says it
my sirius xm radio keeps dropping signal. Sirius says it isnt them and gmc says it isnt the equipment. So who is right? … read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
23,904 satisfied customers
Check engine light is on, onstar tells me it is an air
check engine light is on, onstar tells me it is an air filter, yet engine is now sluggish and wont stay on … read more
Mike V.
Mike V.
technician
Subaru and Nissan factory training.
27,540 satisfied customers
We are parked with car running and not able to shift into
We are parked with car running and not able to shift into drive … read more
Ryan-CTech
Ryan-CTech
Manager
139 satisfied customers
I own a 2008 Acadia. V6, FWD, Just rented a 2017 model that
Just rented a 2017 model that shifted much better. Did not jump straight to four gear on hills. Can my 2008 be reprogrammed to to work as well as the 2017 … read more
Gunvir Singh
Gunvir Singh
1,949 satisfied customers
Can you call me? 2015 acadia denali, Stuck at McDonalds
I went through the drive-thru number of lights on the panel started flashing and rotating on and now my car won't start at all It is making a funny pumping noise… read more
Todd M
Todd M
Owner
ASE Certification
1,875 satisfied customers
I have an 2007 gmc Acadia with 146,632 and I t a bump in the
Hi I have an 2007 gmc Acadia with 146,632 and I hit a bump in the road and then my truck act like it didn't want to go into second gear then my check engine light came on I with to auto zone and the c… read more
Derek Werner
Derek Werner
Diagnostic Technician, Shop Foreman
Vocational, Technical or Trade School
142 satisfied customers
This is from a previous post but I have the exact same issue
This is from a previous post but I have the exact same issue with my 2015 Acadia Denali. Is there a noise filter that can be installed? Where is the satellite radio module located in this vehicle: Fro… read more
Joe Prestia
Joe Prestia
30 satisfied customers
I have a GMC Yukon Denali 2015. My truck was running great
I have a GMC Yukon Denali 2015. My truck was running great until i got stuck in snow and was trying to get out i ended up getting out the snow, but i notice how when i change the gear to 4WD low and p… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
I have a 2003 Yukon Denali. The temperature gauge in the
I have a 2003 Yukon Denali. The temperature gauge in the lower left corner of the instrument display, no longer registers a temperature. I believe this gauge is for the transmission fluid temperature?… read more
AZTechBrian
AZTechBrian
ASE Certified Technician & Shop Owner
Vocational, Technical or Trade School
732 satisfied customers
I have a 2009 GMC Acadia. It is in the shop right now
I have a 2009 GMC Acadia. It is in the shop right now for transmission problems. I brought it in because it was having a hard time shifting into higher gears and wanting to stall when accelerating. I … read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Yukon XL 1500 Denali: I have a 2007 Yukon XL Denali. The
I have a 2007 Yukon XL Denali. The check engine light came on after the engine appeared to be stuck in one gear. Turned the engine off. 20 minutes later drove it to the mechanic and it shifted through… read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
272 satisfied customers
GMC Sierra 2500 HD SLT: 2000 gmc Sierra 2500. 6.0 v8. 4l80e
2000 gmc Sierra 2500. 6.0 v8. 4l80e auto trans. Shifts late and jerks. DTC P0751 Shift solenoid a performance or stuck off. Replaced solenoids still faulty. What else do I need to check?… read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
272 satisfied customers
GM Yukon denali: I had a tuneup in the past 6 months but right
I had a tuneup in the past 6 months but right after a check engine light has been on every since my horn went out the truck jerks while driving (01 yukon denali) and when driving I feel it doesn't pic… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
My 2008 GMC Acadi has recently started shifting really hard
My 2008 GMC Acadi has recently started shifting really hard and spiking the rpm's up past 3 grand when I'm only going between 25-35mph. Last night It shifted hard and spiked the rpm's right after I pu… read more
goodwrench9124
goodwrench9124
Lead Tech/ Shop Leader
Vocational, Technical or Trade Scho
3,392 satisfied customers
GMC Yukon Denali XL: I have a 2001 Yukon Denali XL. My check
I have a 2001 Yukon Denali XL. My check engine light went on while towing our boat over a mountain pass the other day. The OBD code is P0430 [Catalyst System Efficiency Below Threshold (Bank 2)]. I st… read more
tripletauto
tripletauto
Shop Foreman
Associate Degree
238 satisfied customers
GMC Yukon Denali: 2002 gmc yukon denali 6.0. upon starting
2002 gmc yukon denali 6.0. upon starting no idiot lights, tach, speedo, fuel, or temp. shifts hard into gear but slips as if in high gear. after awhile lights cycle, gauges work and the truck runs fin… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 satisfied customers
I have a 2003 GMC Yukon Denali with the 6.0 motor and am
I have a 2003 GMC Yukon Denali with the 6.0 motor and am having issues with the tranny not wanting to shift into 2nd gear until 4000 rpm or so, also the tranny will not shift into 4th(overdrive) at al… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 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