The power steering gets stiff when manuvering at slow speeds (backing up and going forward to park the truck). Anyone else have this?

Lack of Steering Assist or Shudder During Parking Lot Type Maneuvers - kw power assist oil no hard noise booster hydraulic slow low speed bind trailer weak #PIT3386 - (Jan 17, 2005)
Lack of Steering Assist or Shudder During Parking Lot Type Maneuvers
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The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in the PI.

Condition/Concern:
Some customers may comment on a lack of steering assist or shudder during parking lot type maneuvers.

Recommendation/Instructions:
Please follow normal diagnostics in SI for this condition. If the customer situation warrants a repair, replace the current pressure control valve with part number 26095470 available from GMSPO. This valve will provide additional steering assist during parking lot type maneuvers. If this concern only occurs when stopped and brake applied, please reference PIT3310.


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Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

Models:
(99-05 Chevrolet All Full Size Trucks, Utilities and Vans) and (99-05 GMC All Full Size Trucks, Utilities and Vans) and (02-05 Cadillac All Full Size Utilities and 03-05 Hummer H2)

99 - 05 Chrevolet/GMC/Cadillac/Hummer H2 all Full Size Trucks Utilities and Vans Lack of Steering Assist when Stopped or During Parking Lot Type Maneuvers - kw brake power oil hard noise booster low #PIT3310 - (Dec 9, 2004)
99 - 05 Chevrolet/GMC/Cadillac/Hummer H2 All Full Size Trucks Utilities and Vans Lack Of Steering Assist When Stopped or During Parking Lot Type Maneuvers
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The following diagnosis might be helpful if the vehicle exhibits the symptom described in the PI.

Condition/Concern:
Some customers may comment on a lack of steering assist when stopped or during parking lot type maneuvers.

Recommendation/Instructions:
Please follow normal diagnostics in SI2000 for this condition. If vehicle passes the Power Steering Pressure Test Procedure this may be a normal condition. A lack of steering assist could occur if the brakes are applied and turning the steer wheel with the vehicle stopped or during parking lot type maneuvers . No repairs should be attempted as this is a characteristic of the vehicle. Any customer concerns should be referred to the Area Vehicle Manager (AVM) and a Field Product Report should be submitted by following bulletin 02-00-89-002C.

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Please follow this diagnosis process throughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance.

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Models:
(99-05 Chevrolet All Full Size Trucks, Utilities and Vans) and (99-05 GMC All Full Size Trucks, Utilities and Vans) and (02-05 Cadillac All Full Utilities) and (03-05 Hummer H2)

Thanks Max Payne,
That sounds exactly like the problem!