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ZZDaryl, Chevy Technician
Category: Chevy
Satisfied Customers: 12547
Experience:  28 year experience, Master Mechanic
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What causes your power steering rack to leak power steering ...

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What causes your power steering rack to leak power steering fluid on a 2004 Chevy Trailblazer?

It appears the there is a problem with these leaking and GM has a bullitin out and there is a repair kit to fix this problem if the leak is where the bullitin mentions.


Release of Steering Gear Stub Shaft Bearing Kit for Service
Reference Number(s): 04-02-32-OO1C, Date of Issue: July 26, 2007
2002-2004 Buick Century, Park Avenue; 2002-2005 Buick LeSabre, Regal, Rendezvous; 2004-2007 Buick Rainier; 2005-2007 Buick Terraza; 2005-2007 Buick Allure (Canada), LaCrosse; 2002-2005 Chevrolet Cavalier, Impala, Malibu Classic, Venture; 2002-2007 Chevrolet Monte Carlo, TrailBlazers; 2004-
Affected 2007 Chevrolet Silverado (2WD) (Classic) 1500 Series; 2005-2007 Chevrolet Uplander; 2002-2007 GMC Envoys; 2003 -2007 GMC Sierra (2WD)
Model(s): (Classic) 1500 Series; 2002-2003 Oldsmobile Bravada; 2002-2004 Oldsmobile Alero, Sithouette; 2002-2004 Pontiac Aztek; 2002-2005 Pontiac Bonneville, Grand Am, Montana, Sunfire; 2002-2007 Pontiac Grand Prix; 2005 -2007 Pontiac Montana 5V6; 2005 -2007 Saturn Relay; 2005 -2007 Saab 9- 7X
Supercedes: This bulletin is being revised to add the Saab 9-7X. Please discard Corporate Bulletin Number 04-02-32-00 lB (Section 02 - Steering). Related Ref Number(s): 04-02-32-001, 04-02-32-001 A, 04-02-32-001 B, 04-02-32-001 C

GMSPO has recently released a steering gear stub shaft bearing kit, P/N 26032824, for service on the above-mentioned vehicles.
Previously, to correct a pinion seal leak or squeak, the steering gear assembly had to be replaced because the pinion stub shaft bearing, seal and seal retainer were not serviceable. Technicians may now order the kit instead of replacing the steering gear assembly.

Do This
Replace the stub shaft bearing kit.

Don't Do This
Do NOT replace the steering gear assembly.

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