Exhaust System - Sulfur Odor (Rotten Egg Smell)

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Bulletin: 91-6F-2
Date Dec. '91
Ref. No.: 91-288-6F
Corp. Ref. No. 136605


SUBJECT: VEHICLE EMITS SULFUR SMELL (ROTTEN EGG SMELL - REPLACE CATALYTIC CONVERTER)

MODELS AFFECTED: 1990-91 SKYLARK WITH 2.5L ENGINE (VIN CODE U)


CONDITION:

Some 1990-91 Skylarks may emit a sulfur odor (rotten egg smell).

CAUSE:

The vehicle emits a sulfur odor due to a combination of high sulfur level in the fuel and the particular driving schedule of the vehicle involved.

CORRECTION:

Replace the existing (Beaded) catalytic converter. The monolith converter utilizes technology that cannot be applied to the beaded converter to reduce the emission of Hydrogen Sulfide gas, the source of the sulfur smell. Refer to "Parts Information" below for new part number.

SERVICE INFORMATION:

Refer to Section 6F for catalytic converter replacement.





PARTS INFORMATION: P/N 25144088 - Monolith catalytic converter

Parts are expected to be available on January 6, 1992. In case of limited inventory, parts will be placed on 400 Control to waive VIP surcharges. Only verifiable emergency VIP orders will be accepted. SPO will make every effort to obtain parts. However, the part will be shipped premium transportation at dealers expense and all other order types will be placed on backorder until the 400 control is removed.

WARRANTY INFORMATION:

Labor Operation Number: L2300
Labor Time: See current Labor Time Guide