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V8-5.3L

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Carfax shows minor damage no airbag deployed. Is it ok to buy?
Carfax reports unfortunately only reflect any work or damage that was reported to Carfax. I would suggest checking the Kelly Blue Book website with specifics related to your zip code as market prices of cars vary by zip code. This...
Question
What causes speed reduction when driving down the road.
There are a number of things that may cause the kind of hesitation you are describing ranging from transmission control issues to fuel supply to ignition problems. This may also be caused by a faulty transmission speed sensor. The speed...
Question
4l60e transmission runs fine until engine warms up then loss of all gears and metal on metal noise from bell housing. What do I do
Hi Mike. Anytime you hear metal to metal coming from inside the bell housing of an automatic transmission, that's typically an indication of damage to the torque converter or flywheel. With 300,000+ miles on your Silverado, it's probably time to...
Question
I have a 2002 gmc yukon v8. while im accelerating and revving there is a chirp like sound that comes from under the hood.
Hi Edward. If the serpentine belt was replaced, but the belt tensioner or pulley's were not replaced, that would be the first place I would look. A great way to diagnose any noise under the hood that happens while throttle...
Question
I have a rumble noise between 40-60mph when accelerating
The fact that putting the trailer mode on suggests that there may be an issue with the transmission torque converter and going into lock up mode. As you might know, the tow haul feature puts the transmission into a lock...
Question
I have reduced engine power on. Changed air intake
Try following the steps below to see if this clears up your reduced power mode issue. Disconnect the Negative battery lead. Install the CAI as per the manufacturer's instructions. Verify that the Negative Battery lead has been disconnected...
Question
Oil pressure readout increases when applying brake
Applying the brakes may impact the oil pressure slightly as it induces a load on the motor, however this impact should be minimal. Either the motor is in fact low on oil, the oil pump could be failing or not...
Question
Error code p2544
Code P2544 relates to a faulty signal input from the powertrain control module, specifically the transmission control module. A faulty transmission control module may cause a delay in acceleration or erratic shifting of gears. The transmission control module has various...
Question
My 2015 silverado 1500 5.3L is making a ticking sound at startup and during acceleration...
What you are describing sounds like the noise associated with hydraulic lifters which are a part of the valve train. In the mornings or when the engine is cold, the oil has had the chance, due to gravity to drain...
Question
Brakes squeaking
It sounds like you may have brake pad that may be wearing thin resulting in the wear indicators making the squeaking sound you describe. This may suggest that your brake pads are worn and due to be replaced or that...
Question
Chevy Tahoe has a heavy idle on startup, and will stall out when put in gear
Hi Tony. There are several possible sources of this problem, ranging from a damaged or loose vacuum line, faulty idle control valve or EGR valve and mass air flow sensor. If you'd like to have a professional mechanic come to...
Question
The dic car i button for not work on my 08 avalanche but the rest of the dic functions fine
The DIC is built into the cluster and you should first have codes checked for stored codes that may lead to fault. There is issues with wiring connectors on this vehicle and may just be a loose connection but a...
Question
How to display outside tempeture on doc of 2017 tahoe
Hi Bryan. Thanks for writing in tonight. You should have been provided with an owner manual when purchasing your new Tahoe. The instructions for completing this task should be listed in the manual. If you don't have a manual for...
Question
Fuel pump was humming really loud driving an it stared acting like out of gas now wont start
Hi Ray. Based on your inquiry, it's quite possible that an obstruction inside the fuel tank may have damaged the fuel pump or is currently creating a blockage that is restricting fuel flow. It's also possible that a fuel pump...
Question
Dash light
This light relates to the security system and usually indicates there is an issue with the system or in some cases, the vehicle is not recognizing the key. You may need to have the vehicle towed to a GMC dealer...
Question
just had my steering rack replaced. My fluid is full but now it's tough to turn wheel. and white smoke coming from under the hood.
This suggests your power steering pump may be failing or you have a leak elsewhere in one of the power steering lines. The power steering system operates on very high pressurized hydraulic pressure (in some cases as much as 300...
Question
Key stuck in the acc position. Car will not start
It sounds like you have an ignition switch that has failed. Inside the switch is a set of tumblers that the key is designed to fit into. When these tumblers wear out over time due to the key being inserted...
Question
I changed starter alternator and battery but after 2 weeks i came outside and i needed a boost.
You may have a failing voltage regulator that could be allowing the alternator to supply too much or too little amperage to the battery resulting in the battery never maintaining a consistent charge as it is designed to. The voltage...
Question
I have a 2012 Avalanche LS that requires new motor mounts. Does the right manifold require to be removed
Hi David. Thanks for contacting us today. We're not quite clear as to what you're asking, so you might want to purchase or download a service and repair manual for your Avalanche to review the recommended steps for completing this...

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