What Is the Z66 Package on an Avalanche?

FAQs Jackson Bowman October 18, 2022

The Z66 package was an “on-road” suspension package that “looked” like the Z71 off-road suspension, but was designed for on-road comfort and ride quality. The Z66 is a two-wheel road suspension with special wheels, limited slip differential, special shock absorbers and spring tuning.

What is the difference in z66 and z71?

What does z66 mean?

What is the z71 package on an Avalanche?

The popular Z71 off-road styling package is available and includes high-pressure gas-charged mono-tube shock absorbers, 18″ on-road/off-road tires, auto-locking differential, front recovery hooks, a durable skid plate and heavy-duty air filter.

What are the most common problems with the Chevy Avalanche?

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