Service bulletins for the 2008 Cadillac STS
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.
1037 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Engine are shown. Show all
| PIP4112S | 2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This concern may also be present while crusing at highway speeds and then an aggressive increase in throttle.This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to downshift. |
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| 12-06-01-003B | 2018-05-07. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information for repairing engine front cover oil leak, sealing surface preparation and applying RTV sealant. |
| 15-00-90-001 | 2018-05-07. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides technicians with diagnostic tips for preventing oil leaks after changing oil and filter. |
| 12-06-01-009F | 2018-05-07. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin annouces the availability of high feature V6 timing chain kits and chain guide replacements, for repairing stretched timing chains setting DTCs P0008, P0009, P0016, P0017, P0018 and/or P0019. |
| PIP5232A | 2018-05-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire. |
| PIP5232 | 2018-05-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire. |
| 12-06-01-009E | 2018-05-07. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin advises the technician of new timing chains and guides and part numbers. |
| 09-06-04-026G | 2018-04-23. Service bulletin. ENGINE; POWER TRAIN. This informational bulletin provides information of suspected tampering or vehicle modifications for non-GM (Aftermarket) engine and transmission calibrations for V6 and V8 gasoline engines Using Tech 2® or global diagnostic system 2 (GDS 2) |
| 12-06-01-009C | 2018-04-23. Service bulletin. ENGINE. This informational bulletin provides information for installing a camshaft timing chain kit on the high feature V6. |
| 12-06-01-009B | 2018-04-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. This informational bulletin provides information for installing a camshaft timing chain kit on the high feature V6. |
| 150089005A | 2018-04-23. Service bulletin. EQUIPMENT; ENGINE. This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). |
| 12-06-01-009A | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. This informational bulletin provides information on high feature V6 timing chains kits and chain guide replacements. |
| PIP5226B | 2018-02-21. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings. |
| PIP5540A | 2018-02-21. Service bulletin. ENGINE. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance. |
| 01-06-01-011I | 2017-12-22. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. |
| 00-06-01-026H | 2017-12-22. Service bulletin. ENGINE. This informational bulletin provides information on intake manifold inspection/replacement after severe internal engine damage. |
| PIP4112P | 2017-12-22. Service bulletin. ENGINE; POWER TRAIN. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to first gear. |
| PIP5528 | 2017-11-14. Service bulletin. ENGINE. This Preliminary information communicates the identification process for High Feature V6 camshafts in re-manufactured engines. |
| 09-06-04-026E | 2017-10-12. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 |
| PIP5216F | 2017-10-04. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a knock noise, seized engine, lower end squeak or squeal from the engine. Technician will inspect the oil control solenoids for metal debris. Also inspect for damage to the cam caps Journals and camshaft journals on the heads. The check the timing chain idler sprockets for stiffness when turning. If any of these instances would be a cause to replace the engine instead of repair. |
| 07-06-04-025L | 2017-08-31. Service bulletin. ENGINE. This informational bulletin provides information on Clicking/Ticking Sound/Noise Heard During Cold Start and that this should be considered a normal characteristic. |
| PIP5232B | 2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire. |
| PIP5216C | 2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a knock noise, seized engine, lower end squeak or squeal from the engine. Technician will inspect the oil control solenoids for metal debris. Also inspect for damage to the cam caps Journals and camshaft journals on the heads. The check the timing chain idler sprockets for stiffness when turning. If any of these instances would be a cause to replace the engine instead of repair. |
| PIP5216B | 2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a knock noise, seized engine, lower end squeak or squeal from the engine. Technician will inspect the oil control solenoids for metal debris. Also inspect for damage to the cam caps Journals and camshaft journals on the heads. The check the timing chain idler sprockets for stiffness when turning. If any of these instances would be a cause to replace the engine instead of repair. |
| PIP5216A | 2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a knock noise, seized engine, lower end squeak or squeal from the engine. Technician will inspect the oil control solenoids for metal debris. Also inspect for damage to the cam caps Journals and camshaft journals on the heads. The check the timing chain idler sprockets for stiffness when turning. If any of these instances would be a cause to replace the engine instead of repair. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.