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Service bulletin 00823A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10007973
Published by NHTSA2004-07-19
Manufacturer's number00823A
Manufacturer's date2004-01-01
NHTSA componentSTEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID

NHTSA's summary

POWER STEERING FLUID LEAKING AT HYDRAULIC BRAKE BOOSTER. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Steering, Power steering

Vehicles listed
CADILLAC ESCALADE2003, 2004
CHEVROLET AVALANCHE2003, 2004
CHEVROLET EXPRESS2003, 2004
CHEVROLET SILVERADO2003, 2004
CHEVROLET SUBURBAN2003, 2004
CHEVROLET TAHOE2003, 2004
GMC SAVANA2003, 2004
GMC SIERRA2003, 2004
GMC YUKON2003, 2004
HUMMER H22003, 2004

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
05-02-32-008F2018-06-11. Service bulletin. This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
05-02-32-008F2018-05-29. Service bulletin. This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
PIT4208D2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have a power steering pump whine noise. Technician will need to flush and refill the power steering system with Lucas Power Steering Fluid with Conditioners. Technician will replace the power steering pump with the latest design if the fluid is not available.
SB-06-02-32-013B2010-03-26. Service bulletin. SAAB/HUMMER/GM: DIAGNOSTIC TIPS/RECOMMENDATIONS WHEN POWER STEERING PUMP REPLACEMENT IS NECESSARY. ANALYSIS OF RETURNED POWER STEERING (PS) PUMPS THAT HAD BEEN REPLACED FOR NOISE, NO POWER ASSIST, NO OR LOW PRESSURE AND LEAKING CONDITIONS HAS INDICATED A HIGH NUMBER OF NO TROUBLE FOUND RESULTS. ALL 1997-2010 VEHICLES AND LIGHT TRUCKS; 2010 AND PRIOR HUMMERS H2/H3 AND SAAB 9-7X VEHICLES. *PE
0502320082007-09-19. Service bulletin. GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS. *NJ UPDATED ON 6/30/2011. *KB
33102005-10-26. Service bulletin. LACK OF STEERING ASSIST WHEN STOPPED OR DURING PARKING LOT TYPE MANEUVERS. 99 - 05 CHEVROLET/GMC/CADILLAC/HUMMER H2 ALL FULL SIZE TRUCKS UTILITIES AND VANS. *TT
33862005-04-21. Service bulletin. LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *TT
020782004-07-10. Service bulletin. POWER STEERING PUMPS - NOT PAINTED. SERVICE VME. *TT
018632004-05-07. Service bulletin. LACK OF STEERING ASSIST WHEN STOPPED OR DURING PARKING LOT TYPE MANEUVERS. *MR