Common questions

Are there any problems with my GMC Sierra?

Are there any problems with my GMC Sierra?

It started at about 39000 miles and has been getting progressively worse and now it has worn out the bushing in the tail shaft of the transmission ,wow $32000 dollars for this truck and nothing but problems . I am truly scared of this truck please help.

Why does my GMC Sierra make a noise when I Shift?

That’s a comon problem for that body style. If there good, sounds like it could be that motor itself. To figure out if it’s you motor or transfercase, jack up the rear end, have a friend inside shift into 4 wheel drive, or try to, and put it in gear and apply some gas. If the front driveshaft is turning then it’s something with the front end.

Why is my GMC Sierra rolling down hill?

The explanation I was given is the differential senses a slip and the other side engages allowing it to turn but if there is a slope the vehicle weight allows it to keep rolling down hill. If someone is behind the vehicle they could be injured or pinned between another object.

Why did my GMC Sierra go backwards in the snow?

Vehicle was found at the bottom of driveway against a tree. The wheels were turning and not skidding as proven by treads in the snow. I believe one of the rear tires may have slipped and somehow the opposite disengaged and allowed it to continue backwards. This happened with my 2002 GMC Sierra.

How much is a 2007 GMC Sierra 1500 Classic?

How much is a used 2007 GMC Sierra 1500 Classic? In CARFAX Used Car Listings, you can find a used 2007 GMC Sierra 1500 Classic for sale from $9,977 to $16,995. The average selling price of this vehicle on CARFAX is $13,288. Is the 2007 GMC Sierra 1500 Classic a good car?

Where is the seat control on a GMC Sierra Classic?

The control is located on the outboard side of the seat cushion. To increase or decrease support, hold the control forward or rearward. Keep in mind that as your seating position changes, as it may during long trips, so should the position of your lumbar support. Adjust the seat as needed.

What kind of noise does a GMC Sierra make?

If driving on smoth surfaces no noise is apparent. No rough service on this vehicle, no hauling or plowing just normal driving and towing of Camper, never hit a curb or had an accident. Is this the norm for this vehicle.

Where can I buy GMC Sierra 1500 parts?

There are a wide-array of 2007-2013 GMC Sierra 1500 Parts available in the aftermarket that you can find right here at AmericanTrucks, that will allow you to completely transform the look, performance, handling, and functionality of your truck.

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.

How to repair a 1988 GM Truck wiring diagram?

Access our GM Full-Size Trucks 1988-1998 Wiring Diagrams Repair Guide by creating an account or signing into your AutoZone Rewards account. Once you sign in, follow these instructions to access our Repair Guides. Add your vehicle in Manage My Vehicles. Enter your vehicle details.

What to do if you have a GM car problem?

If you have any problems with your GM vehicle, it can expensive to take it to the shop repeatedly, so JustAnswer Experts provide an affordable alternative to diagnosis and assistance if you want make repairs yourself. You can even ask follow-up questions, and approve payment only when you’re completely satisfied.

What makes a Chevy truck a GMC Truck?

Your Chevy or GMC truck is a sophisticated vehicle: a collection of expertly designed systems and components that enable it to deliver the performance, power, and safety you rely on. As a DIYer, you appreciate the care and caution with which you must approach your maintenance, repair and upgrade projects.

See all problems of the 2011 GMC Sierra . While driving check engine light, service stabilitrac and service traction control on information center, followed by a reduced power notification. This clears and occurs without warning rendering the mv near useless. See all problems of the 2008 GMC Sierra .

Why is my GMC Sierra check engine light not working?

Tl- the contact owns a 2002 GMC Sierra. The contact stated that the glow plugs malfunctioned as the check engine warning light illuminated. The vehicle was taken to a dealer for diagnosis where the glow plugs were replaced. The manufacturer was notified but offered no assistance. The VIN was unavailable. The failure and current mileage was 41,700.

What causes a GMC Sierra engine to misfire?

Keeping in mind that any engine needs air, fuel, and spark for ignition, your GMC Sierra’s fuel system can often cause the engine to misfire. It can run too lean or rich. Alternatively, there may not be enough fuel for proper combustion, or the fuel isn’t atomizing properly.

Why does my check engine light keep coming on?

The Check Engine light will also come on if your mass airflow sensor fails This can happen if your air filter has not been replaced on a regular basis. If this is the problem and you continue to run your vehicle with the Check Engine light on and the airflow sensor is failing, you’ll be creating more problems.

What causes a flashing check engine light on a GMC Sierra?

While a majority of the time, the flashing check engine light is going to be caused by a misfire related to your Sierra’s ignition system or fuel system (as stated above), there are other issues that can cause it. Your timing chain could have jumped .

Keeping in mind that any engine needs air, fuel, and spark for ignition, your GMC Sierra’s fuel system can often cause the engine to misfire. It can run too lean or rich. Alternatively, there may not be enough fuel for proper combustion, or the fuel isn’t atomizing properly.

What causes a GMC Sierra to run rough?

EGR- The EGR system recycles burnt exhaust gasses back into the combustion chamber. Crank/Cam Sensor- When the cam or crank sensors are not being read by the ECM/PCM, it’s impossible to get the ignition timing right. If you Sierra does start at all, it’ll run rough.

Why does the Check Engine light come on when the engine is idle?

The check engine light in your vehicle is designed to turn on if the Engine Control Unit (ECU) identifies an issues with how the engine is running. Look at your dashboard; if the check engine light is on in conjunction with idle issues, it may be because the idle control valve is malfunctioning.

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Ruth Doyle