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A Buyer’s Guide to the 2012 Chevrolet Avalanche
Few vehicles are as distinctive as the Chevrolet Avalanche. Part SUV, part truck, the Avalanche is actually surprisingly practical. On the inside, it feels more like a Chevy Tahoe, except when you look...

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Oil pressure sensor flashing
First, you need to check the engine oil level. If it is low, top it off to the specified amount on the dipstick. If the level is normal, you may have a bad pressure switch that is simply not reading...
Front wheel camber - 2011 Chevrolet Avalanche
Hello. Negative camber will put the weight of the vehicle on the inside of the tires and will cause them to wear very fast. You should not drive the vehicle this way or the tires may get damaged. If there...
Oil pressure drops to 0 "stabilitrak" issue across message center traction control shuts off but oil sending unit was just replaced
The first thing to do is to have the Check Engine Light scanned to see what code is stored. Once this is done, then the code should be diagnosed to see if it has anything to do with the previous...
Engine revved in drive - 2006 Chevrolet Avalanche 2500
This sounds like the transfer case isn't completely engaging selected gears (High/Low, 2/4wheel drive). There is a GM Service Bulletin on this issue - TSB Reference #3424. Check with your dealer on this one.
Torque converter vibrates - 2005 Chevrolet Avalanche 2500
Torque convertor "shuddering" is a cycle where the torque convertor tries to lock up, can't, and re-cycles repeatedly. General Motors has a service bulletin - TSB Reference #3438A, that addresses this issue. Discuss this issue with your dealer.
After tire rotation thumping noise developed - 2006 Chevrolet Avalanche 2500 Automatic
The "thumping" sound you mention seems more like the torque convertor lock-up clutch in the transmission failing. It tries to lock up, can't recycles, etc. GM has a service bulletin on this problem - TSB Reference #3438A. Discuss this with...
Transmission making clunking and banging noises - 2005 Chevrolet Avalanche 2500 V8 Automatic
Check for problem codes - you mention that the Check Engine Light is on. This could be the torque convertor clutch not releasing as you slow down, or not locking up smoothly when you reach 40-50 mph accelerating. And yes,...
Bad smell within washer fluid - 2006 Chevrolet Avalanche 2500
If it is impossible or impractical to remove the washer fluid reservoir to clean it, you might consider, disconnecting the washer hoses under the hood, connect them to an empty bucket, tadd bleach or tri-sodium phosphate (old style laundry detergent)...
Today My AC Just Stopped working,Took It To Auto Parts Store And THEY Checked FUSES And Said THEY Were Good ,Any SUGGESTIONS ?
Hi there, thanks for writing in. The fuses are only a small part of the A/C and climate control system. If the blower still works but the A/C is inoperative, the system pressures will first need to be checked using...
Smoke on start up
Sometimes the muffler will hold some moisture when the exhaust cools from the day before. This moisture will evaporate quickly when you first start the engine in the morning and goes out the exhaust as steam. This is most likely...
Both handles on passenger door broken
The outside door handle is made of plastic and can be broken apart until you can get to the lever with a pair of needle nose pliers. Make sure the door is unlocked at the time you pull up on...
Door locks on and off on and speedometer dial fluctuates
I would question the diagnosis for the dealer to show you the reason to get the cable replaced and why the cable is so expensive. Have them break down the parts and labor in the quote. I show about an...
Truck's rpm fluctuates and shakes when idling, engline light on code reads: cylinder 8 misfire.
You only have one thing to do and this is to have the compression checked in the cylinder to see if you may have a compression problem. You may have a ring problem or a broken valve spring.
The check engine light on for my 2005 Chevrolet Avalanche
Hey there, thanks for writing in about your 2005 Chevrolet Avalanche. If the gas cap was loose but then later taken care of, then the light may be due to another issue. You will need to have the Check Engine...
Clunking while shifting from first to second gear on 2005 Chevrolet Avalanche
The shifting clunk you feel may be in the transmission when changing gears, the torque on the bands when released may cause the momentary reversal of the output shaft between gears. The manufacturer states in technical bulletin 01-07-30-042h that this...
Check engine light on, MAF sensor code on 2004 Chevrolet Avalanche
Hey there, thanks for writing in about your 2004 Chevrolet Avalanche. The Check Engine Light code received for the MAF sensor means that a pinpoint test is required on the MAF circuit. It does not necessarily mean the sensor is...
Cranking after the engine is started
It may be the starter relay in the underhood relay fuse box sticking or the starter solenoid sticking. The small relay would be my first choice to replace first. If it continues, then try replacing the starter. Before replacing any...
Rack and pinion
Was the power steering system flushed at the time of the service? Dirty fluid or a misalignment can cause the power steering pump to groan when turning the wheel. Return to the facility that performed the repair and have them...
Is this a transmission problem and if so does this mean the entire transmission needs to be replaced?
You should certainly let the insurance company know that your car has not been returned to its condition from before the accident. As for why your car is bucking on acceleration, I can make a few guesses, but the...
How to find out why the engine light is on without a scan tool
Not really. You will need to have the codes scanned on the engine's computer unless you are experiencing some really overt and obvious symptoms. If you want a mechanic to fix it, a technician from YourMechanic can come to your...

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