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GMC Sierra: Problems & Solutions
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Comments
It was not a fast process. In summary, after I had called in my complaint to GM, I had to have it moved to a dealer. An inspector for GM came out to inspect it. They decided to repurchase it. Filled out the paperwork and got a check.
Again, this was not a fast process. If I remember correctly it took over a month and there were a lot of phone calls involved. Each step of the way I had to speak with a different person and different department within GM. Another colleague of mine had a similar experience with a Ford.
I did have to wait a few days before getting the initial call back. They should have given you a reference or claim number. I had to call about once a week for a status update.
You may want to ask your insurance adjuster if they have any advice or tips for you. Good luck and let us know how it all turns out.
thanx carl442
kcram
Host - Wagons
kcram - Pickups Host
You will have to use the search function to look in the old Silverado problems thread for full description post #1543.
Unable to cut and paste here for ya!
Also read about the popping or bumping noise when turning, does anyone know if the dealer will fix this even if the vehicle is out of factory warranty since there is a TSR on it?
Also, there is a grinding noise coming from the front passenger side of the truck. At low speeds (parking lots, city corners, etc.) I hear a sound like something rolling around in my glove box or something grinding. The dealership didn't know what to tell me but "didn't think it was anything serious" because they couldn't get it to happen all the time.
Any help on either of these issues would be much appreciated.
One thing I don't like about the head-bolt torquing procedure is the instruction to torque each bolt to 22 ft-lbs and then to turn each short bold an additional 55 degrees, each medium bolt 65 degrees, and each long bolt 75 degrees. Seems to me you could get a lot of variation at only 22 ft-lbs for the initial tightening on bolts of that diameter, and to go from there using degrees could result in inconsistent final torque values. I'm wondering if the leakage, which occurred in short-bold areas, was due to this torquing procedure, assuming it used in the factory.
I would appreciate any feedback on my problem...
I have had emissions problems for a few years now as can be seen in the following emissions transcript...
Emissions Inspection 6/4/2002
Hydrocarbons (HC) – Inspection 5.3095 – Requirement 2.7000 FAIL
Carbon Monoxide (CO) – Inspection 35.3126 – Requirement 60.0000 PASS
Oxides of Nitrogen (Nox) – Inspection 0.4853 – Requirement 5.7000 PASS
Carbon Dioxide (CO2) – Inspection 476.3944
Work Performed 8/2002
- Adjusted Timing to 0 TDC
- Replace Oxygen Sensor @ Catalytic Converter
- Replace Spark Plugs
- Replace Ignition Wires
- Replace Distributor Cap & Rotor
- Replace PCV Valve
- Replace Air Filter
Emissions Inspection 8/2002
Hydrocarbons (HC) – Inspection 0.1880 – Requirement 2.2000 PASS
Carbon Monoxide (CO) – Inspection 1.9014 – Requirement 60.0000 PASS
Oxides of Nitrogen (Nox) – Inspection 0.0070 – Requirement 4.2000 PASS
Carbon Dioxide (CO2) – Inspection 73.1697
Emissions Inspection 7/13/2004
Hydrocarbons (HC) – Inspection 6.7361 – Requirement 2.0000 FAIL
Carbon Monoxide (CO) – Inspection 62.4512 – Requirement 60.0000 FAIL
Oxides of Nitrogen (Nox) – Inspection 0.3481 – Requirement 4.0000 PASS
Carbon Dioxide (CO2) – Inspection 599.9200
Work Performed 11/2004
- Adjusted Timing to 0 TDC
- Replace Spark Plugs
- Replace Ignition Wires
- Check and Clean Distributor Cap & Rotor
- Replace Air Filter
Emissions Inspection 7/13/2004
Hydrocarbons (HC) – Inspection 4.6401 – Requirement 2.0000 FAIL
Carbon Monoxide (CO) – Inspection 18.6279 – Requirement 60.0000 PASS
Oxides of Nitrogen (Nox) – Inspection 0.2441 – Requirement 4.0000 PASS
Carbon Dioxide (CO2) – Inspection 609.0446
Work Performed 11/2004
· Check and clean EGR valve. Valve seemed to be fine, but cleaned.
- Two cans of GMC Top Engine Cleaner have been sprayed into carb and left to sit overnight for cleaning on two different occasions.
Still notice low throttle, low RPM miss (seems to get worse as engine temperature increases). There is a slight hesitation upon acceleration from stop. I have no noticeable problems at higher RPMs. After engine warm-up and when truck is parked, holding the accelerator slightly so that engine revs around 700 – 900 RPM (a guess), the engine will stall, revs will decrease, engine will recover and surge back to 700 –900 RPM, stall, and repeat in a cyclical manner.
I'm hoping that someone can give me an idea as to what could be the cause of my problems...I have less than two weeks before my emissions re-inspection.
I'll gladly reply if further info for diagnosis is required...Thanks
sososierra
Steve
It used to do it only while in OD, not in 3rd, but now it appears more often. I've tried to sustain the vibration, but it cuts in & out, like a fan turning off and on, or something trying to "kick-in".
I tow a trailer with heavy equipment and want to get this fixed, but nobody seems to know what the problem is.
They recommend rebuilding the trany and replacing the converter at a cost to me of $2500 with 3 year 36k mile warranty.
Good luck
in stop and go traffic. i hear the rear diff bang like thirs to much play in it. the trans
seams to also slip a little. the dealer trys telling me thats normal. Ya O.K not
for a 35K truck. i only have 5k miles on it and they told me i would have to live with it until it brakes down so they find the problem.
between speeds of 50-68 MPH especially going uphill or pulling any kind of a load, this rig has a severe clunking noise that sounds like the old U-Joint sound.
Engine runs good, both front and rear differentials have been checked, and I put a new tranmission in it two days ago.
The vehicle throws no codes of any kind.
Most of this clunking started right after I had to replace the head gaskets.
Three different GM dealers have checked the clunking and all of them have ridden with me.
Wonder what's left?
Norm in Idaho
Tranny is three days old and did not cure anything. All differentials have been gone through...engine throws no codes.
Can't drive it comfortably and can't sell or trade it the way it is.
Norm
-Tim