COOLER PIPE BUZZ OR MOAN 125C NOISE AFTER TCC ENGAGED

MODELS AFFECTED: 1985-86 SKYHAWKS 1985-86 SOMERSETS, AND 1986 SKYLARKS

If a condition of transaxle cooler line buzz or moan after torque converter clutch engagement is encountered, the following procedures should be performed:

ALL AFFECTED MODELS:

Position cooler pipes so they do not contact each other or touch adjacent components such as the transaxle case.

Inspect the radiator tank for contacting and vibrating against the radiator support panel and correct as necessary.

SKYHAWK ONLY:

Remove and discard the metal clip which holds the cooler lines together and install Part Number 22536646, plastic clip, in its place.

SOMERSET/SKYLARK ONLY: --------------------- If the noise condition is still evident, replace the lower cooler line hose assembly with a new, longer hose assembly, Part Number 22535961 (See Illustration).

WARRANTY INFORMATION:

For Skyhawk Clip

Labor Operation Number: T5139 Labor Time: 0.2 hours Trouble Code: 92

For Somerset/Skylark Hose Replacement: ------------------------------------- Labor Operation Number: T5140 Labor Time: 0.3 hours Trouble Code: 92

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.