GMC

GMC troubleshooting questions? Ask a mechanic for answers

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

Related GMC Questions
I have a 2000 gmc Savana 2500 5.7 engine 4l80e transmission
I have a 2000 gmc Savana 2500 5.7 engine 4l80e transmission it won't shift into overdrive it only shifts twice. It has a p1860 code l have changed the solenoids, harness and the pcm. Can you help me p… read more
Mike S.
Mike S.
ASE Certified Technician
Vocational, Technical or Trade Scho
256 satisfied customers
How does it take to swap a transmission in a 2004 gmc savana
How long does it take to swap a transmission in a 2004 gmc savana 2500 cargo van … read more
Kurt Mulling
Kurt Mulling
Lead Technician/ now retired
High School or GED
1,610 satisfied customers
I have a gmc savana 2000. Vin # *****************. What
I have a gmc savana 2000. Vin # *****************. What other transmissions ar … read more
Tim\u0027s Auto Repair
Tim\u0027s Auto Repair
Mechanic
High School or GED
15,797 satisfied customers
Not a chevy but a gmc having shifting issues. Replaced
Replaced transmission but still having the same exact issues … read more
Roy Belding
Roy Belding
7,689 satisfied customers
2000 gmc 4l60e transmission. p1860 code just replaced entire
2000 gmc 4l60e transmission. p1860 code just replaced entire valve body and all solenoids. what else could cause this … read more
Eric
Eric
Retired
N/A
45,871 satisfied customers
I am getting P0740, P0785 And P0001 after initially changing
I am getting P0740, P0785 And P0001 after initially changing out the inocente sensors due to getting coses for both of them. I also changed out both shift solenoids due to the transmission not shiftin… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
I have a 2008 silverado 1500....4.3 with 4L60e transmission...I
Hello...I have a 2008 silverado 1500....4.3 with 4L60e transmission...I keep getting a very harsh shift from 1st to 2nd and code p2764 code shows up. We changed the 5 easy to get to solenoids...the TQ… read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
272 satisfied customers
GMC Savana: 2008 GMC Savana 3500 6.0l with 4L80E. I am getting
2008 GMC Savana 3500 6.0l with 4L80E. I am getting a p0894 component slip code however nothing seems to be going wrong with transmissi0n internally. Also, When i monitor data the engine rpm is around … read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
272 satisfied customers
Gmc: my 1998 1500suburban makes a bang noise seems like when
my 1998 1500suburban makes a bang noise seems like when it shifts in overdrive about 55 mph then when you let gas off it bangs again otherwise it shifts find I heard there is a senser for over drive i… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
03 gmc sierra 1500 5.3l code p0740, 0753, 0758,0785, & p1860.all
03 gmc sierra 1500 5.3l code p0740, 0753, 0758,0785, & p1860. all tranny codes. Replaced ignition switch. Tested shift solenoids and tcc with were good too. Please point me in right direction… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
2,126 satisfied customers
GMC K2500 Sierra 4x4: Got a P0894 code on a 2004 GMC 2500 6.0L
Got a P0894 code on a 2004 GMC 2500 6.0L Crew Cab 4 x 4. Harsh shifts from 1 to 2 and 2 to 4 once trans temp gets over about 110 degrees F on the gage. Issue started after having to "rock" the vehicle… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
For Jerry, Master Mechanic - GMC Suburban C1500 4x2
Jerry, Master Mechanic 1998 gmc suburban 5.7L 4l60e opt m30 shifts from 3-4 gone , drained tranny , new filter and gasket ,now shift from 3rd to 4th goes out , slow down or hit gas and it shifts into … read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
272 satisfied customers
Gmc Jimmy: 2000 gmc jimmy code p0740.trans shifts into all
2000 gmc jimmy code p0740.trans shifts into all gears.the tow engage button has no effect (will not engage).no power found at tow button.possible selenoid or do I go deeper?… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC C1500 4x2: I changed the trans pan gasket and filter because
I changed the trans pan gasket and filter because the pan was leaking. Now I have 2 codes P1864 & P1886 and the tach, speedo and the gear position indicater are not working. I know this is related to … read more
Mike S.
Mike S.
ASE Certified Technician
Vocational, Technical or Trade Scho
256 satisfied customers
GMC C3500 HD: 2000 GMC 3500 6.5 diesel no upshift into overdrive
2000 GMC 3500 6.5 diesel no upshift into overdrive after automatic downshift. If you shift the transmission manually into third then back into 4th it will go into 4th. If you turn off the engine and s… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Yukon XL Denali: I own a GMC Yukon XL Denali package. The
I own a GMC Yukon XL Denali package. The other day the check engine light came on. I took it to the dealership and they scaned the code. It was P2761 Torque converter solenoid open fault. The Tech at … read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
36,550 satisfied customers
GMC G25 Vandura: I have a 1990 GMC Vandura 2500. The 20 amp
I have a 1990 GMC Vandura 2500. The 20 amp Gauges fuse continuously blows. Also, the battery now runs down. I recently had the alternator replaced (5 mos or so). The transmission is also behaving diff… read more
John
John
MASTER AUTOMOTIVE TECHNICIAN
2 YEARS COLLEGE
9,106 satisfied customers
GMC 1500 Series: I have a 2000 GMC 1500 with 5.3 v8 I just
I have a 2000 GMC 1500 with 5.3 v8 I just replaced the rear main seal and now the transmission is real sluggish and my obd2 is showing error code 0785 shift timing sol… 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

2,126 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

904 satisfied customers

24 years of experience diagnosing & repairing

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

Mike S.

Mike S.

ASE Certified Technician

256 satisfied customers

GMC N.A.I.S.E. Certified Auto-Mechanic

George H.

George H.

ASE MasterTechnician

233 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