GM

GM repair problems? Ask a GM repair expert now.

Connect one-on-one with {0} who will answer your question

Related GM Questions
Problem with the starter relay, I have power to 30 and 86.
I have power to 30 and 86. Power to 87 when i turn the key to start … read more
Gary
Gary
GMC Technician
Vocational, Technical or Trade Scho
1,563 satisfied customers
hummer hummer: I have a 1996 hummer diesel 6.5 turbo, it cranks
I have a 1996 hummer diesel 6.5 turbo, it cranks but won't start, white smoke comes out of tail pipe, check buses - fuse 1-B Diesel - Glow plug controller (lower box) has no power. drain plug light on… read more
Chris (aka- Moose)
Chris (aka- Moose)
GMC Technician
342 satisfied customers
1999 Chevrolet Express 3500: Diesel Engine..van..idling..really rough
1999 Chevrolet Express 3500 6.5 L Diesel Engine. This is another van I own and engine is idling very rough and blowing black smoke when the engine is revved. Engine still runs really rough even when r… read more
Jerry Newton
Jerry Newton
Vocational, Technical or Trade Scho
5,411 satisfied customers
2004 Chevy: Heater (Dual Controls). Passenger side blows hot, driver
2004 Chevy 2500 HD. Heater (Dual Controls). Passenger side blows hot, driver only blows cold. Actuator is functioning as it pertains to defrost, floor vents etc...… read more
Dave Nova
Dave Nova
Auto Dealership Owner
Associate Degree
18,417 satisfied customers
95 gmc: overheat..temperature gauge..overheating but hot air
I have a 95 gmc 3500 6.5 liter diesel. The truck starts to overheat but then the temperature gauge goes back down and then back up again. If the heater is on it blows cool air when overheating but hot… read more
GM Tech (Cam)
GM Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
5,997 satisfied customers
GM: 1999 6.5 gm 3500 4x4 the best truck maid..BLACK SMOKE..GOOD POWER
1999 6.5 gm 3500 4x4 the best truck maid by GM ever. AT NORMAL TAKE OFF SHES OK ALITTLE BLACK SMOKE GOOD POWER . AT A HARH TAKE OFF HEAVEY BLACK SMOKE BUT GOES AWAY A RUNS GREAT . WHEN TOWING AT TAKE … read more
Jerry Newton
Jerry Newton
Vocational, Technical or Trade Scho
5,411 satisfied customers
Glow Plug..2455 DPF diff pressure sensor short to voltage
I have a 2008 3500 HD with a 6.6 with the following codes: 0671 Glow Plug, 0546 EGT sensor Hi Bank, 2033 Exh Temp 2, and 2455 DPF diff pressure sensor short to voltage. question is, are these sensors … read more
GM Tech (Cam)
GM Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
5,997 satisfied customers
2003 chevy s10: crew cab..cab 4x4..blowing barely warm..heater
My 2003 Chev S10 crew cab 4x4 is blowing barely warm are through the heater. The temp on the dash indicates that it gets up to about 80 degrees C and thats about it. Just wondering what needs to be fi… read more
GM Tech (Cam)
GM Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
5,997 satisfied customers
2004 gmc yukon: heater in front and back just blow cold air
Hi I have a 2004 gmc yukon xl heater in front and back just blow cold air. Not sure were to start… read more
Dave Nova
Dave Nova
Auto Dealership Owner
Associate Degree
18,417 satisfied customers
1999 GMC: 3500 HD..diesel..much info ont he history of the vehicle
I have a 1999 GMC 3500 HD with a 6.5l diesel. I just bought the unit used and don't have much info ont he history of the vehicle.....as I start to service and make repairs I find a fair amount of oil … read more
Dodge expert
Dodge expert
ASE MASTER TECH, REPAIR FACILITY OWNER
High School or GED
3,636 satisfied customers
Marine: turbo diesel..mechanical..fuel injection..it sits for a while
I have marine 6.5 turbo diesel with mechanical fuel injection. After light running for a few hours the engine will not restart until it sits for a while, 15-20 minutes or more. It cranks very slow or … read more
Mark
Mark
Line Technician
Associate Degree
799 satisfied customers
3500 gm: oilpressure gage is steady, but lack..black smoke..turbo
My 6.5 1998 3500 gm truck check engine lite comes on when climbing mountain passes pulling my travel trailer. engine does not overheat, oilpressure gage is steady, but lack of power and a large amount… read more
GM Tech (Cam)
GM Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
5,997 satisfied customers
1998 GMC: diesel engine..engine starts..black smoke..egr working ok.
I have a 1998 GMC K1500 pickup with a 6.5 turbo diesel engine. The engine starts early and idle fine but when driving I have reduced power and lots of black smoke. EGR working ok. Some soot around the… read more
Mark
Mark
Line Technician
Associate Degree
799 satisfied customers
1994 GMC: 6.5 duramax has no power and is producing a lot..black smoke
My 1994 GMC 3500 with 6.5 duramax has no power and is producing a lot of black smoke what is this caused from?… read more
goodwrench9124
goodwrench9124
Lead Tech/ Shop Leader
Vocational, Technical or Trade Scho
3,392 satisfied customers
drove..coolant out the overflow dont know if head gasket or egr
I have a 05 lly 3500 4x4, I bought it about 4wks ago in tx and drove it to ms had no problems. Within a day or two the low coolant came on had to add coolant. The truck runs great but it pushes coolan… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,739 satisfied customers
1995 GMC yukon: turbo..it runs good but it blows black smoke..tune
We have a 1995 GMC yukon with a 6.5 turbo it runs good but it blows black smoke and seems underpowered how do I tune out the black smoke and get more power… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
298 satisfied customers
1997 Chev 3500 duramax diesel..smoke..Air filter..carbon
1997 Chev 3500 duramax diesel 6.5Blowing lots of smoke. No power. Air filter becomes plugged up quickly with carbon carbon… read more
John
John
MASTER AUTOMOTIVE TECHNICIAN
2 YEARS COLLEGE
9,106 satisfied customers
1998 GMC: TURBO..YOU EITHER HAVE TO GIVE VERY LITTLE GAS OR FULL GAS.
HI, CAN SOMEONE HELP ME? I HAVE A 1998 GMC 3500 WITH A 6.5 TURBO DIESEL. IT STARTED ABOUT A WEEK AGO, YOU EITHER HAVE TO GIVE VERY LITTLE GAS OR FULL GAS. ITS THROWN OUT BLACK SMOKE AND IT FEELS LIKE … read more
GM Tech (Cam)
GM Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
5,997 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:

I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money.

Todd LRochester NY

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

< Previous | Next >

Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

GMC Mechanic

5,997 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

GMC Technician

1,563 satisfied customers

15 years gm master tech/15 years ASE master tech

car tech

car tech

ASE Certified Technician

449 satisfied customers

25 year master tech and shop owner

Chris (aka- Moose)

Chris (aka- Moose)

GMC Technician

342 satisfied customers

24 years of experience diagnosing & repairing

Paul M ASE Master

Paul M ASE Master

ASE Master Tech

225 satisfied customers

ASE Master Tech 20+ Years

Amedee

Amedee

GMC Technician

586 satisfied customers

ASE certified tech with advanced level specialist. Wisconsin certified emissions state inspector

Anthony

Anthony

GMC Technician

489 satisfied customers

GM Certified

< 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