GM Storm/Spectrum 1985-1993 Repair Guide



See Figures 1, 2, 3 and 4

The Vehicle Identification Number (VIN) is stamped on a metal plate that is attached to the instrument panel adjacent to the windshield. It can be seen by looking through the lower corner of the windshield on the driver's side of the vehicle. The VIN is also located on various identification stickers throughout the vehicle and on certain metal parts such as the engine or transaxle.

The VIN is a 17 digit combination of numbers and letters. The 1st digit represents the country of manufacture, this is a J for all Spectrum and Storm models and means the vehicle was built in Japan. The 2nd and 3rd digits are 81;, which represent Isuzu and Chevrolet, respectively. The 4th digit, R represents the car line while the 5th digit is for the particular sales code of the vehicle. For example, sales codes for the Spectrum will the F or G depending on the year. The Storm sales code should either be F for the base model or T for the GSI. For the Spectrum, the 6th and 7th digits identify the vehicle's body style, in other words whether it is a 2 door hatchback or 4 door notchback. For the Storm, the 6th digit represents the body style while the 7th digit represents the safety restraint features with which that particular car was produced. The 8th number tells with what engine the vehicle was equipped. The 9th digit is a check digit for all vehicles. The 10th digit indicates the model year. The 11th digit should be a 7; or 8; indicating the vehicle was built in the Fujisawa plant. The 12th through 17th digits indicate the production sequence number.

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Fig. Fig. 1: Example of the vehicle identification plate

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Fig. Fig. 2: Interpreting the VIN for the Spectrum

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Fig. Fig. 3: Interpreting the VIN for the Storm

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Fig. Fig. 4: The vehicle certification label is located on the driver's door jamb