Warranty - Remanufactured Engine Exchange: Overview
File In Section: 6 - EngineBulletin No.: 77-61-23
Date: November, 1997
INFORMATION
Subject:
GM Goodwrench Remanufactured 4.3L V6 (RPO L35)
Engines for Warranty Service Labor Time Code J1830
Models:
1994 Chevrolet and GMC M/L and S/T Models
1994 Oldsmobile Bravada
with 4.3L V6 Engines (VIN W - RPO L35)
Due to product shortages on new 1994 4.3L L35 Goodwrench Engines, Goodwrench remanufactured engines may be used for in-warranty repairs when a new GM Goodwrench engine is not available.
Under no circumstances are AC Delco engines to be used for warranty purposes. If you are uncertain of which engine to use, contact your General Motors service representative for details.
Use of the remanufactured GM Goodwrench 4.3L V6 Engine (RPO L35) for model year 1994 warranty service applications listed above will require the use of a new labor time code J1830.
Labor time code J183O includes additional time for the transfer of engine components, the oil pump prime procedure, engine break-in, etc.
Important:
Standard safety precautions, including the use of safety glasses, should be observed during engine preparation and installation.
The following sources of information should be used when installing this engine.
1. The Service Manual can be referenced, as needed, for specific component/area information.
2. The 1997 Goodwrench Reference Guide for new and remanufactured engines. This reference guide provides specific notices and information for this engine.
3. An instruction sheet is packaged with each GM Goodwrench Remanufactured Engine. This instruction sheet should be followed carefully, take particular note of "Cautions", "Warnings", procedures and specific part numbers.
Please take careful note of instruction sheet warnings relating to:
a. The use of "Surface Conditioning Discs".
When cleaning gasket sealing surfaces on the remanufactured engines and/or cleaning parts from the failed engine to be reused, the use of surface conditioning discs which contain abrasives such as aluminum oxide may cause infant bearing failure.
b. Component flushing/replacement on vehicles where the engines failed either catastrophically, or due to bearing failure.
4. The following additional information should be referenced as needed: