GM Lumina/Silhouette/Transport APVs 1990-1999 Repair Guide

Engine Number

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See Figures 1, 2 and 3

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Fig. Fig. 1: Engine code and partial VIN location for the 3.1L engine



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Fig. Fig. 2: Engine code and partial VIN location for the 3.4L engine



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Fig. Fig. 3: Engine code location and partial VIN location for the 3.8L engine

All engines and transaxles are stamped with a partial VIN. The stamping contains nine positions.



Position one is the GM vehicle division identifier: 1 for Chevrolet, 2 for Pontiac, 3 for Oldsmobile
 
Position two is the model year
 
Position three is the vehicle assembly plant code
 
positions four through nine are the assembly plant sequential number of the vehicle
 

 
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