SERVICE INFORMATION ON NEW EXHAUST MANIFOLD GASKET

SUBJECT: Service Information on New Exhaust Manifold Gasket

MODELS AFFECTED: 1993-1997 Saturns equipped with DOHC (LLO) engines

PURPOSE: Interim 1997 Saturns equipped with DOHC (LL0) entines built after and including VIN VZ296299 will be built with a new second design exhaust manifold gasket. This second design exhaust manifold gasket, made of three-layers of laminated steel (refer to illustration on next page), can be installed with either side towards the cylinder head. (The original first design exhaust manifold gasket is non-asbestos fiber and perforated steel.)

The second design exhaust manifold gasket (P/N 21008327) should be used to service all 1993 - 1997 vehicles equipped with DOHC (LLO) engines and must be torqued to 17 N-m (150 ft-lbs). (DOHC [LLO] engines built since 1993 are equipped with a cast iron exhaust manifold.) The first design exhaust manifold gasket (P/N 21000849) must be used to service 1991-1992 vehicles equipped with DOHC (LLO) engines with the tubular steel exhaust manifold.

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.