I think its just a towing package for a 2WD Avalanche. This will describe it.
http://www.intellichoice.com/reports/vehicleReport/vehicle_nmb/17780/section/packages/type/used/2006/Chevrolet/Avalanche
Actually the Z66 is the Premium On-Road Suspension package, which includes electronic stability control
Mounted on top and inside the fuel tank.
Currently have an '01 Z66 av, coming up on 358,000 miles. Rebuilt tranny @ 250,000 mi. Other than that, only routine maint
The Z66 is the 2 wheel drive highway trailering version vs the Z71 4 wheel drive off road version. (Basic but true)
Take it to a mechanic and throw money at it.
it's 7.5
Replace serpentine belt on Chevy avalanche?HOW
what size speakers are in the 2004 Chevy Avalanche
Yes
The Chevy Avalanche was "started" to have an option for both an SUV and a truck. The avalanche is both. It has the versatility of an SUV, but a bed of a truck.
There is no cabin air filter on the 2003 Chevy avalanche
The Chevy Avalanche is made in Mexico.
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