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Sierra

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Related questions

Question
Bad lighting coming from the low beams
Your Body Control Module (BCM) controls the headlights on your truck. According to GMC your headlights meet all safety standards; however they have a technical service bulletin (TSB) that may pertain to your situation. The TSB number PIT5374 dated February...
Question
Whole thing shakes on the highway at high speeds, how does that happen?
This is an ongoing technical issue that GM has not found a fix for yet. There is a lot of speculation of what is causing the vibration, but until the engineers come up with a fix, I cannot recommend a...
Question
Rain is always getting onto my truck
There are several water leak issues that pertain to your truck and are addressed under technical service bulletin (TSB) 09-08-57-002D dated 02/04/2013. The TSB covers 12 different water leak repairs to the sun roof, windshield, third brake light, under seats,...
Question
Why does the check engine light keep coming back on?
The check engine light comes on and stays on if the onboard computer sees a problem that could cause an increase in emissions or a problem with its systems. After looking at most of the possible codes or issues that...
Question
Airbag warning light is on on the dashboard a lot
The first thing I would do is find out why they did not go off in the accident. If you were in a high speed front end collision, the airbags should have deployed. I cannot speculate if the prior repairs...
Question
Stereo is weak and too quiet, screen died
In your description, you have multiple complaints. I looked into this year truck and radio concerns and found over twenty technical service bulletins (TSB) that could pertain to your issues. I am not going to list all them, but will...
Question
Engine started burning oil, what can I do?
Your truck is using excessive oil in my opinion. GMC has oil consumption ongoing issues for your year truck and most engines they equipped them with. I would recommend getting an oil consumption test to document the exact amount of...
Question
My dashboard is falling apart
You are not alone in having issues with plastic parts of the interior or exterior of GM vehicles. The cracks in your dash panel and door handles breaking are common and no recalls were found for any of the trim...
Question
Warning lights on very often, what can stop it?
My first suggestion would be to take it in and have tested if you are still under basic 3 year 36,000 mile warranty. If you are out of warranty then contact YourMechanic and get a diagnostic test done and pinpoint...
Question
Why is my transmission slipping?
The transmission in your truck has the updated 4L60 series with a heavier duty forward gears and thrust bearings so your transmission problem is most likely the torque converter or front pump failure. The clutch materials in an automatic transmission...
Question
Getting error code P0304
Since you are getting a misfire code on the #4 cylinder that will cause the computer to shut off these other systems. The misfire needs to be fixed first. Most of the time when this comes up it is caused...
Question
Truck stalls sporadically
Hello there. Thanks for writing in about your 2001 GMC Sierra 2500 HD. When faults occur after a repair has been made, the newly repaired item is usually the first place to check. A few possible causes for the stalling...
Question
Ocassional shifting problems
Hello there, a few different faults could cause the vehicle to shift poorly. The most common would be low transmission fluid level, a shift solenoid, transmission linkage damaged, or a transmission range sensor. Always the first thing checked in any...
Question
Do you turn the rotors when performing a brake job?
Currently, the technicians working with YourMechanic.com do not resurface brake rotors. The main reason for this is that, in order to perform a quality brake job, it is best to completely replace the rotors than it is to just resurface...
Question
Lifters knocking on a 2007 GCM Sierra
If it doesn't happen all that often, and it doesn't happen on high speed, but is just idling--I'd live with that if I were you. Because with that kind of miles on it, all those lifters are going to be...

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