WenmarOpen by Wenmar Pro

Service bulletin CSP-25630

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 id10078773
Published by NHTSA2016-08-18
Manufacturer's numberCSP-25630
Manufacturer's date2016-04-15
NHTSA componentEQUIPMENT; ENGINE

NHTSA's summary

25630 – CUSTOMER SATISFACTION PROGRAM. THESE VEHICLES MAY HAVE HAD REMANUFACTURED ENGINES INSTALLED DURING A SERVICE REPAIR THAT WERE BUILT WITH INCORRECT PISTON RINGS. THIS MAY RESULT IN ENGINE MISFIRES, LACK OF POWER, ROUGH RUNNING, OIL CONSUMPTION AND EVENTUALLY ENGINE FAILURE DUE TO OIL CONSUMPTION. DEALERS ARE TO INSPECT ENGINE SERIAL NUMBERS. IF THE SERIAL NUMBER MATCHES A LIST OF SUSPECT ENGINES, THE ENGINE WILL BE REPLACED.

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

Engine, Equipment and accessories

Vehicles listed
BUICK ENCLAVE2009, 2010
BUICK LACROSSE2010
CHEVROLET TRAVERSE2009, 2010
GMC ACADIA2009, 2010
SATURN OUTLOOK2009, 2010

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

Recalls for the same vehicles and component
20101892010-06-07. Accessories

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
00-06-01-026R2025-12-03. Service bulletin. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
23-NA-1532025-10-25. Service bulletin. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
04-06-01-029K2024-12-04. Service bulletin. This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
01-06-01-011Q2024-11-13. Service bulletin. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
20-NA-1382024-11-05. Service bulletin. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
04-06-04-051J2024-10-31. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
04-06-04-051J2024-10-31. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
18-NA-0732024-10-11. Service bulletin. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
16-NA-2222024-09-05. Service bulletin. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
09-06-04-026Y2024-09-05. Service bulletin. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.