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Service bulletins for the 2008 Pontiac G8

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.

949 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
05-03-08-002J2024-09-20. Service bulletin. SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
05-03-08-002J2024-09-20. Service bulletin. SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
15-00-89-004G2024-05-15. Service bulletin. ENGINE; SUSPENSION; POWER TRAIN. This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
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.
15-00-89-004F2023-09-08. Service bulletin. STEERING; SUSPENSION; ENGINE AND ENGINE COOLING; POWER TRAIN. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
15-00-89-004E2022-10-11. Service bulletin. POWER TRAIN; SUSPENSION; ENGINE AND ENGINE COOLING; SERVICE BRAKES, HYDRAULIC; STEERING. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
050308002I2021-06-07. Service bulletin. SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
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
150089004C2021-03-08. Service bulletin. SUSPENSION:FRONT:MACPHERSON STRUT; SUSPENSION:FRONT:SHOCK ABSORBER; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
PIP5338B2018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; SUSPENSION. 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.
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.
050308002F2017-12-22. Service bulletin. SUSPENSION. This informational bulletin was created to aid the technician in diagnosing the difference between a shock or strut that has a fluid residule from a possible external source from a leaking shaft seal.
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.
05-03-08-002H2017-08-15. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER. This informational bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
152892017-01-30. Service bulletin. SUSPENSION:FRONT; EQUIPMENT. 15289 - SPECIAL COVERAGE. ON SOME 2008-2009 MODEL YEAR PONTIAC G8 VEHICLES, THE BOOTS ON THE FRONT-LOWER-CONTROL-ARMS CAN BECOME RIGID IN COLD WEATHER, WHICH CAN ALLOW WATER TO ENTER THE JOINT AND CORRODE THE SURFACE OF THE BALL JOINT. IF THIS CONDITION OCCURS, A LOUD METALLIC RATTLE CAN BE HEARD FROM THE FRONT SUSPENSION WHEN DRIVING ON ROUGH ROAD SURFACES. DEALERS ARE TO INSPECT THE FRONT LOWER CONTROL ARM BALL JOINTS FOR FREE-PLAY AND REPLACE THE CONTROL ARMS AS REQUIRED.
PI12632016-06-17. Service bulletin. SUSPENSION:FRONT:WHEEL BEARING. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
10-03-09-001B2016-06-02. Service bulletin. SUSPENSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-152892015-11-25. Service bulletin. SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT. PONTIAC: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. IN COLD WEATHER, FRONT LOWER CONTROL ARMS WILL BECOME RIGID AND ALLOWS WATER TO ENTER JOINT AND SURFACE OF BALL JOINT BECOMES CORRODED. MODEL 2008-09 G8. *PE
SB-092032010-01-06. Service bulletin. SUSPENSION:FRONT:CONTROL ARM; SUSPENSION:FRONT; SUSPENSION:FRONT:CONTROL ARM:LOWER ARM; SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT. PONTIAC: FRONT SUSPENSION CLICKING/KNOCKING. CERTAIN VEHICLES MAY HAVE A CONDITION IN WHICH THE SEALING BOOTS ON THE FRONT SUSPENSION LOWER CONTROL ARM BALL JOINTS MAY NOT SEAL CORRECTLY IN EXTREME COLD TEMPERATURES. *PE UPDATED 1/27/10. CSC LETTER WAS RECEIVED. *PE
08-03-08-0052008-11-20. Service bulletin. SUSPENSION:FRONT:STABILIZER BAR; SUSPENSION:FRONT. GMC: CORRECTLY IDENTIFYING FRONT STABILIZER SHAFT LINK DURING REPLACEMENT IN SERVICE. USE OF INCORRECT PARTS (RIGHT HAND TO LEFT HAND) MAY RESULT IN OVER TRAVEL, FRACTURE TO THE BALL JOINT AND DISLOCATION OF THE LINK. *PE

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