buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

All Other Service Bulletins for PROM - Programmable Read Only Memory:|276114|Page 3621 > < All Other Service Bulletins for PROM - Programmable Read Only Memory:|276114
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The above engine replacement kits were developed and certified for proper engine operation, performance, and emission requirements and MUST
ONLY be used to adapt 1992-94 Goodwrench engines to the applications noted.

The following summarizes the most significant changes among the various model year (VIN D) engines. Components are not generally interchangeable
between model years.

1.

Cylinder Head Design

^

1987-89 Interchangeable for these model years only

^

1990-93 Interchangeable for these model years only

^

1994 Used for this model year only due to inlet thermostat design.

2.

Crankshaft Reluctor Index

^

1987-88 0~

^

1989-94 15~

3.

Knock Sensor (Electronic Spark Control - ECS) System Calibration

*

Specific calibration for each model year (involving emissions, knock and spark calibrations).

4.

Electronic Ignition Module Assembly

^

1987-88 Interchangeable for these model years only.

^

1989-92 Interchangeable for these model years only.

^

1993-94 Interchangeable for these model years only.

5.

Intake Manifold

^

1987-89 Interchangeable for these model years only.

^

1990-94 Interchangeable for these model years only.

WARRANTY INFORMATION:

For vehicles repaired under warranty, use:

All Other Service Bulletins for PROM - Programmable Read Only Memory:|276114|Page 3621 > < All Other Service Bulletins for PROM - Programmable Read Only Memory:|276114