Connect one-on-one with a GM mechanic who will answer your question
Expert avatar
GM Tech (Cam), GMC Mechanic
5,884 satisfied customers
GM Grand Master Technician 2007. 14 years experience.
Pearl avatarSteve Pearl, Assistant
2 GM Mechanics are Online Now

Facing GM repair problems? Ask a GM repair Expert now.

Verified GM mechanics are available around the clock and ready to answer your question online or by phone. 
Related GM questions
I have a winters foundry Aluminium intake manifold from the
I have a winters foundry Aluminium intake manifold from the 1965-68? part number is #3972116 high rise small block can't find any info on it, can you help? ***** ***** . Thanks … read more
Joe Prestia
Joe Prestia
Automotive Repair Specialist
1,119 satisfied customers
I have the SES light, and need to replace the EVAP vent
I have the SES light, and need to replace the EVAP vent canister solenoid, but I don't know where it is located? … read more
Chris
Chris
16,534 satisfied customers
When cold its starving for gas. When worm runs fine. 2002
when cold its starving for gas JA: Have you noticed an increase in fuel consumption? And how does the GM start—same as usual? Customer: when worm runs fine JA: What is the model/year of your GM?… read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
7,626 satisfied customers
My park assist is off and it shut down my radio. After
Change the radio check the park assist sensor clear the codes … read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
7,626 satisfied customers
Dash showing check engine light, AC motor overheating,
Dash showing check engine light, AC motor overheating, coolant gauge not registering. I replaced coolant temp sensor but still not showing temp. I have a 2009 GMC Sierra with the V-6 in it. … read more
GM Tech (Cam)
GM Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
5,884 satisfied customers
Trying to replace this part but can't find it anywhere:
Trying to replace this part but can't find it anywhere: 15027105 (gm airbag switch) 1998 gmc pickup 1/2 ton … read more
Eric
Eric
Retired
N/A
38,013 satisfied customers
Its a 2007 duramax diesel. When I go to drive it the
Its a 2007 duramax diesel. When I go to drive it the steering wheel is grinding when I turn it left or right and the brake pedal grinds or is vibrating when I apply pressure. … read more
Chris (aka- Moose)
Chris (aka- Moose)
GMC Technician
Vocational, Technical or Trade School
297 satisfied customers
I have a hummer h3 and the Heater blower has stopped
i have a hummer h3 and the Heater blower has stopped working, also i have start issues (Whenever it gets cold or the h3 has sat for a day or two the battery drains and i need to jump start) and finall… read more
J Hall
J Hall
retired
none
291 satisfied customers
I have no oil pressure. New. 2003 expres. New oil pump
I have no oil pressure JA: How old is your oil pump? Has the check engine light come on? Customer: new JA: What is the model/year of your GM? Customer: 2003 expres JA: Are you fixing your vehicle your… read more
Ricardo Hohl
Ricardo Hohl
Auto Motive Instructor
Automotive tech
4,522 satisfied customers
The 2007 GMC Sierra 5 speed v6 pickup was running when we
The 2007 GMC Sierra 5 speed v6 pickup was running when we parked at a house in Idabel. When we got ready to leave. It would try to turn over but would not start. We have been told it might be a module… read more
Matt
Matt
Engineer
Bachelor's Degree
16,912 satisfied customers
Radio screen will not work. 2017. Unplugging and plugging
unplugging and plugging hdmi cable and unhooking battery cable … read more
GM Tech (Cam)
GM Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
5,884 satisfied customers
02 Suburban Battery drain issue. Draw startstart at around
02 SuburbanBattery drain issue. Draw startstart at around 450ma with 20 amp atc fuse in.1. Pull ATC 20 amp fuse from engine elect. center down to 40ma. 2. Reinstall fuse. Remove output plug from the T… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
33,674 satisfied customers
ARE LY7-H7R AND H7B INTERCHANGABLE, 2007 VZ UTE SV6, NEEDS
ARE LY7-H7R AND H7B INTERCHANGABLE JA: What is the model/year of your GM? Customer: 2007 VZ UTE SV6 JA: Are you fixing your vehicle yourself? What have you tried so far? Customer: NEEDS NEW MOTOR JA: … read more
Gary
Gary
Gold Certified Technician
Vocational, Technical or Trade School
2,408 satisfied customers
Can you replace and reprogram a used T87A TCM mo5. 2018
No I have it at a dealer and they say it has to be new because of vin# ***** a used one … read more
Eric
Eric
Retired
N/A
38,013 satisfied customers
Silverado 5-3, starts but no throttle. And yes. 2006
Yes, cleaned throttle body, scan tool says to change vent solinoid, I have changed that.....what is strange the scan tool will not come on... … read more
Daniel Chaidez
Daniel Chaidez
Technician
Diploma
2,110 satisfied customers
I brought my car in to the Woody GMC/Buick and they
Hi there. I brought my car in to the Woody GMC/Buick and they misdiagnosed my car. I am in an ongoing battle now with them and my car has been at their dealership for 2 months due to the strike and fr… read more
Jim
Jim
Vocational, Technical or Trade Scho
1,742 satisfied customers
Battery drain over time when unused. Did a voltage drop test
Battery drain over time when unused. Did a voltage drop test on the fuses and the BCM1 and BCM2 fuses have current going through them even after 30 minutes of sitting to let the computers go to sleep.… read more
Gregg Lathem
Gregg Lathem
Consultant
High School Diploma
438 satisfied customers
Battery died a and key is stuck in ignition and engine will
Battery died a and key is stuck in ignition and engine will crank but not turn over. … read more
GM Tech (Cam)
GM Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
5,884 satisfied customers

Answers for GM questions on JustAnswer


JustAnswer automotive Experts answer thousands of GM questions every week, such as:


  • I am buying a used Colorado with a Vortec 2.9L 14 185hp 190ft lbs. just wondering if there have been reports of problems with this engine.
  • Neither the AC nor the heater work in my 2004 GMC Sierra, and there are no coolant leaks. What’s causing this?
  • Why won’t my 2005 H2 transfer out of 4-wheel drive back to AWD?
  • Exhaust leak on passenger side that makes a tick type sound.
  • What’s causing the ticking sound on the passenger side of my 1995 Chevy Silverado?
  • The liftgate on my 2015 Cadillac Escalade ESV won’t open.
  • What’s causing the coolant leak and heating failure on my 2008 Equinox?

When you consult an Expert on JustAnswer, be prepared to tell the technician the following information:


  • Make, model and year
  • Mileage
  • What makes the symptoms occur
  • What you’ve already tried
  • Whether you’re doing the work yourself or not

This information will help the Expert answer your GM question promptly and accurately.