FRT. ENGINE MOUNT RATTLE (REPLACE WITH UPDATED MOUNT)

SUBJECT: FRONT ENGINE MOUNT RATTLE (REPLACE FRONT ENGINE MOUNT WITH NEW UPDATED MOUNT)

MODELS AFFECTED: 1992 SKYLARK WITH 3300 ENGINE

CONDITION:

---------- Front engine mount makes a rattle noise during high road impact at low speeds.

CAUSE:

------- Movement of the decoupler valve in the hydraulic mount is structurally transmitted into the passenger compartment.

CORRECTION:

------------- Replace the front engine mount with updated engine mount. See Parts Information for updated part number.

SERVICE INFORMATION:

Refer to applicable 1992 Service Manual, Section 6A7, for repair procedure. Vehicles that may have the engine mount rattle noise are 1992 Skylarks from Start of Production to Vehicle Identification Number breakpoint of NC600595.

PARTS INFORMATION:

Engine VIN Part Number Description ---------- ----------- ----------------- N 22112676 Mount, Front Engine

Parts are currently available from GMSPO.

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.