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Service bulletin 050309001

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 id10014978
Published by NHTSA2005-05-13
Manufacturer's number050309001
Manufacturer's date2005-03-01
NHTSA componentSUSPENSION

NHTSA's summary

RATTLE NOISE IN REAR END OVER BUMPS. *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

Suspension

Vehicles listed
CADILLAC CTS2003

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
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PIP53382017-08-15. Service bulletin. 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.
0704200012008-02-26. Service bulletin. AXLE FLUID SEEPING OR LEAKING FROM REAR AXLE VENT (INSTALL REAR DIFFERENTIAL HOSE AND VENT). *NJ
38022006-01-25. Service bulletin. CREAK NOISE FROM FRONT END WHEN BRAKING OR TURNING. *TT
0403100132004-12-28. Service bulletin. DRIVING CHARACTERISTICS OF REAR-WHEEL DRIVE AND AVAILABLE WINTER TIRES. ALSO INCLUDES THE 2004-2005 CADILLAC CTS-V. *TT
0203100072003-03-27. Service bulletin. TIRE SIDEWALL MARKING CHANGE FOR SPEED RATING AND TPC NUMBER. *TT