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Service bulletins for the 2004 Cadillac CTS

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.

567 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Suspension are shown. Show all

Bulletins, newest first
03-00-91-001I2023-11-22. Service bulletin. WHEELS; POWER TRAIN; STEERING; SUSPENSION; ENGINE AND ENGINE COOLING. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
150089004B2021-04-16. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER; SUSPENSION:FRONT:MACPHERSON STRUT; SUSPENSION:REAR:SHOCK ABSORBER. Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Improper diagnosis may lead to unnecessary component replacement. Use the following information to determine if the condition is normal acceptable seepage or a defective component
03-00-91-001G2018-06-04. Service bulletin. SUSPENSION. This informational bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
PIP53382017-08-15. Service bulletin. SUSPENSION; STRUCTURE:FRAME AND MEMBERS. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
SB05-04-114-001B2010-06-02. Service bulletin. SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY; POWER TRAIN:DRIVELINE. CADILLAC: CONTROLLING REAR AXLE OR WHEEL HOP ON FULL THROTTLE APPLICATION FROM A STANDSTILL AND/OR FULL THROTTLE 1-2 SHIFT (INSTALL SUPPLEMENTARY REAR SUB-FRAME BUSHINGS). *PE
0704200012008-02-26. Service bulletin. SUSPENSION:REAR. AXLE FLUID SEEPING OR LEAKING FROM REAR AXLE VENT (INSTALL REAR DIFFERENTIAL HOSE AND VENT). *NJ
0603100062007-01-22. Service bulletin. SUSPENSION:REAR. AVAILABILITY OF TIRES WITH INCREASED TREADWEAR AND ALL-SEASON TRACTION RING. (EAGLE RS-A). *KB
38022006-01-25. Service bulletin. SUSPENSION:FRONT. CREAK NOISE FROM FRONT END WHEN BRAKING OR TURNING. *TT
0508610012005-04-19. Service bulletin. SUSPENSION:FRONT:CONTROL ARM:UPPER ARM. AVAILABILITY OF UPPER CONTROL ARM BRACKET SERVICE KIT FOR CAMBER ADJUSTMENTS. *TT
040432005-04-06. Service bulletin. SUSPENSION. WASHERS THAT ARE USED ALONG WITH NUTS TO ATTACH THE LOWER CONTROL ARM WERE MADE OF THE WRONG STEEL MATEIRAL. THESE WASHERS MAY FRACTURE AND BECOME LOOSE OR FALL AWAY FROM THE VEHICLE MAKING IT POSSIBLE FOR THE CONTROL ARM TO SEPARATE. PRODUCT SAFETY RECALL 04043. GM ADMINISTRATIVE MESSAGE. *TT
0403080012005-01-03. Service bulletin. SUSPENSION. STEERING WHEEL VIBRATION AT HIGHWAY SPEEDS. *TT
0403100132004-12-28. Service bulletin. SUSPENSION. DRIVING CHARACTERISTICS OF REAR-WHEEL DRIVE AND AVAILABLE WINTER TIRES. ALSO INCLUDES THE 2004-2005 CADILLAC CTS-V. *TT
PIP31522004-11-09. Service bulletin. SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY. SHUDDER OR BIND ON LOW SPEED TURNS. *TT UPDATED 4/28/08. *NJ
30062004-08-24. Service bulletin. SUSPENSION. PERFORMANCE SHOCK PACKAGE AVAILABLE. *MJ

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.