2005 Chevrolet Avalanche 1500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2005 Chevrolet Avalanche 1500

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The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.

The speedometer or other instrument panel gauge may begin to work erratically at times. Our technicians tell us that the instrument cluster must be sent to a repair facility to correct this fault. The warranty has been extended on some of these units to 7 years or 70,000 miles.

The steering may develop a clunk type noise from the upper intermediate steering shaft.  Our technicians tell us that you should check with you local GM dealer to find out what the latest repair is for this condition.

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Falls when I hit a small bump or won't close at all.

After po440 code, replaced tank pressure sensor and all seems ok but several miles later the evap monitor sensor wont clear and reads inc? Thank you in advance.

It has been difficult to switch between 4 low 4 high or 2 wheel drive for about a year. It would do it but it took many attempts before it finally clicked. Now its in 4 lo and when you hit the button you hear clicking then it just stops and stays in 4 low. I don't have any codes or problem...

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The retainer clip for the fuel rail pulse damper may fracture and allow the damper to come loose from the fuel rail. A fuel leak in the presence of an ignition source may result in a fire. Dealers will replace the engine fuel rail pulse damper free of charge. The recall began August 31, 2006. The GM recall number is 06080.

The second row center seat belt routing may make it difficult to position correctly on smaller passengers. If the seat belt rides up to fit around the abdomen, the risk of internal injury is increased in a crash. Dealers will cut the guide loop, remove a portion of the loop, and the remaining sides should be folded over and secured with a retainer. The recall began July 21, 2005. The GM recall number is 05037.

On vehicles equipped with the Bosch hydraulic brake booster, the boost pressure accumulator may crack and break away from the hydro-boost assembly during normal operation. If this were to happen while the hood is open, fragments from the accumulator could injure people standing in the immediate area. The loss of fluid while driving would cause increased steering and braking effort and a crash could occur without warning. Dealers will test the hydro-boost assembly for function of the two-function valve. If the hydro-boost assembly fails the test, it will be replaced free of charge. The recall began March 23, 2005. The GM recall number is 05006.

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I love my Chevy Avalanche, it is the most versatile vehicle I've ever owned but I have one complaint. It is on my mind right now as winter is beginning. In the winter the tailgate freezes closed and when I do get the door loose, the latch freezes so the tailgate falls open when I drive. Sometimes the handle frrezes so I can't operate it to open the tailgate. If anyone has suggestions, I'd...

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