CarComplaints.com Notes: It didn't take long for the cladding to fade, discolor, and in some cases crack. Cladding is the protective plastic piece that runs along the outside of vehicles, and exposure to both heat and UV rays give the Avalanche's cladding a chalky, faded appearance.
Owners have said the problem is especially bad on the panels near the cargo bed. Eventually, GM agreed to a one-time treatment of ArmorDillo, a protective treatment similar to what you find in any auto shop. Unfortunately, that would only help for 6 months (on average).
Eventually, GM offered another coating solution for owners within the 3 year / 36,000 mile original warranty under TSB:04-08-111-001C.
suddenly had the smell of raw gas around truck, looked under truck and saw fuel dripping off of fuel tank about center of the tank, took truck to mechanic, mechanic said all three elbows going into fuel pump were rusted off almost completely, have to replacefuel pump assembly, mechanic said truck could have caught fire very easily.the plastic tank is low where the fuel pump sits so it collects all kinds of dirt, gravel, and holds moisture that will rot the lines
There are two fuel lines that run below the driver's door that cross each other and are touching. They are made of some sort of rubber hose and have compression fitting on each end. They are each about a foot long. Because they are touching, they wore through each other and are leaking fuel within inches of the exhaust. This is definitely a fire hazard. I cut the old pieces off and put some tubing on and clamped it on to fix it, but I fear it is only a temporary solution. So far, I have been unable to locate a replacement part.
- Ronald B.,
Prairie Du Chien, WI, US
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suddenly had the smell of raw gas around truck, looked under truck and saw fuel dripping off of fuel tank about center of the tank, took truck to mechanic, mechanic said all three elbows going into fuel pump were rusted off almost completely, have to replacefuel pump assembly, mechanic said truck could have caught fire very easily.the plastic tank is low where the fuel pump sits so it collects all kinds of dirt, gravel, and holds moisture that will rot the lines
- Gary W., Henderson, US