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Gary
Gary, ASE Certified Technician
Category: Chevy
Satisfied Customers: 1189
Experience:  Senior Technician
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I have 2002 chevy avalanche Z71 with 195,000 miles on it.

Customer Question

I have 2002 chevy avalanche Z71 with 195,000 miles on it. The problem is the "Death Wobble". It also likes to drift on the road. The front end is tight. I know this because I just had extensive front end work done. Upper and lower ball joints, pitman arm, etc. Unfortunately, that did not resolve the problem. What else can i do?
Submitted: 1 year ago.
Category: Chevy
Expert:  Gary replied 1 year ago.

Hi there,

Has the vehicle had a four wheel alignment carried out?

Is the rear end ok?

The front could be perfect and the rear could be the cause of your concern.

I would try another wheel alignment specialist.

Gary

Customer: replied 1 year ago.
the alignment was done. There weren't any issues with rear, as far as I know. Have you ever come across this issue before?
Expert:  Gary replied 1 year ago.

I have seen it in a few different vehicles, mainly 4WD.

Normally insufficient positive caster is the culprit.

First thing to check is ride heights.

Any time the rear is higher than front, rather than level, the front caster is reduced.

Positive caster gives stability at speed, and the steering self centres more easily.

Sometimes a steering dampner or more heavy duty dampner helps.

Anytime I get an alignment, I ask if I can look at the figures, before and after.

Gary

Expert:  Gary replied 1 year ago.

Hello again,

Have you had any success with my suggestions?

I hope my advice has been of assistance to you.

Kind regards

Gary

Expert:  Gary replied 1 year ago.

Hello again,

Have you had any success with my suggestions?

I hope my advice has been of assistance to you.

Kind regards

Gary