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Service bulletin PIP-4186+B

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 id10078929
Published by NHTSA2016-08-26
Manufacturer's numberPIP-4186+B
Manufacturer's date2016-05-24
NHTSA componentEQUIPMENT; ENGINE

NHTSA's summary

THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN HOW TO DIAGNOSE AND REPAIR VEHICLE THAT HAVE AN ENGINE OIL LEAK ON THE SIDE OF THE OIL PAN. DURING INSPECTION YOU MAY FIND THAT THE OIL LEAK APPEARS TO BE COMING FROM ONE OF THE BOLTS THAT SECURE THE SIDE OF THE OIL PAN TO THE CRANKSHAFT MAIN BEARING CAPS INSIDE THE PAN. WHEN INSTALLING THIS NEW BOLT APPLY GENERAL MOTORS PIPE SEALANT TO THE THREADS OF THE BOLT. ALSO, VERIFY THAT THE MACHINED SURFACE AROUND THE BOLT HOLE IN THE OIL PAN IS CLEAN AND THAT THERE ARE NO IMPERFECTIONS.

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 TERRAZA2006, 2007
CHEVROLET IMPALA2006, 2007, 2008
CHEVROLET MALIBU2006, 2007, 2008
CHEVROLET MONTE CARLO2006, 2007
CHEVROLET MONTE CARLO2008
CHEVROLET UPLANDER2006, 2007, 2008
PONTIAC G62006, 2007, 2008
PONTIAC MONTANA2006 to 2008
SATURN AURA2007, 2008
SATURN RELAY2006, 2007
SATURN RELAY2008

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

Recalls for the same vehicles and component
10V2710002010-06-15. EQUIPMENT ADAPTIVE/MOBILITY
06V0510002006-02-15. EQUIPMENT:OTHER:LABELS
05V5520002005-12-07. EQUIPMENT:OTHER:LABELS
05V4860002005-10-19. EQUIPMENT:OTHER:LABELS

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
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.
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.
01-06-01-011P2024-09-05. Service bulletin. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
16-NA-3832024-07-16. Service bulletin. This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
15-00-89-004G2024-05-15. Service bulletin. 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.
PI0572B2024-05-06. Service bulletin. Information on COAX Repair Kit Availability.
PI0746E2024-04-29. Service bulletin. Malfunction Indicator Lamp.
PI0746D2024-04-29. Service bulletin. Malfunction Indicator Lamp.
PI0746C2024-04-29. Service bulletin. Malfunction Indicator Lamp.