NOISE FROM FRT. OF DASH WHILE TURNING-INSPECT STEERING GEAR

SUBJECT: NOISE FROM FRONT OF DASH WHEN TURNING (INSPECT NUTS/REPLACE STEERING GEAR MOUNTING GROMMETS)

VEHICLES AFFECTED: 1990-91 J, L, AND N CARS

Condition:

---------- Customers may comment about a squawk/creak noise from the front of dash when turning. They may also comment about a slight feeling of vague on- centre steering and slow returnability.

Cause:

------- After a extended heat soak the grommet material starts to take a compression set. This set will lead to a rub condition between the gear and the grommet during steering.

Correction:

------------- As part of trouble shooting, refer to Product Service Bulletin 90-3-141 for VIN Breakpoints regarding the the steering gear to front of dash clamp retaining nuts and inspect them.

If the retaining nuts are not loose, it may be necessary to replace only the steering gear mounting grommets.

If the retaining nuts are loose, it will be necessary to replace both the retaining nuts and steering gear mounting grommets.

STEERING GEAR MOUNTING REPLACEMENT GROMMETS

SUSPENSION RIGHT LEFT LEVEL PART NUMBER PART NUMBER ------------ ------------- ----------- FE1 26001492 7849985 FE2 26001492 26000626 FE3 26001492 26000626 FE7 (GTZ only) 26001492 26000626

Vehicles with possible grommet noise conditions were produced between breakpoints listed below:

From the following serial From the start of 1991 number to the end of 1990 production to the production: following serial number:

Chevrolet Chevrolet, ----------- ----------- 'J' (Lordstown) L7166829 'J' (Lordstown) M7164949 'J' (Janesville) LJ244293 'J' (Janesville) MJ174173 'L' (Wilmington) LY211048 'L' (Wilmington) MY148179 'L' (Linden) LE207500 'L' (Linden) ME138400

Pontiac Pontiac

'J' (Lordstown) L7597702 'J' (Lordstown) M7580039 'N' (Lansing B) LC334258 'N' (Lansing B) MC579960

Buick Buick

'N' (Lansing A) LM057485 'N' (Lansing A) MM235200

Oldsmobile Oldsmobile

'N' (Lansing A) LM756223 'N' (Lansing A) MM031784

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.