INDEX The identification or usage charts are located in the catalog as listed below Introduction Catalog Examples 4A 4 Terminology t A 4 VIN T 4 Model Designation w Body Number Plate T A 4 Paint Colors A A Label Locations 4 4 GM Regular Production Options By Family Option Label Explanation Sales Options A Production Options LA 4 Metrics Abbreviations 4 Engine Service Policy 4 Group 0 000 Engine Stamping Information Group 0 000 Engine Identification Group 0 000 Engine and Transmission Usage Group 0 000 V Belt Chart Group 1 066 Radiator Chart Group 1 219 Ref Starter Motor Chart Group 2 041 Starter Motor Chart Group 2 041 Spark Plug Wire Chart Group 2 240 Ref Generator Chart Group 2 275 Generator Chart 1 Group 2 275 Distributor Chart Group 2 361 Lamg Socket Chart Group 2 999 Fue Tank Meter Chart Group 3 107 Fuel Injection Pump 1 Group 3 306 Air Cleaner Chart Group 3 402 EGR Valve Chart Group 3 670 Carburetor Chart Group 3 725 Electronic Control Module Chart A Group 3 999 Transmission and Engine Usage Group 4 000 Transmission ID Trans to Asm Group 4 000 Transmission ID Asm to Trans Group 4 000 Speedometer Gear Chart A T Group 4 337 Transmission Chart Group 4 499 Master Cylinder Chart Group 4 650 Power Booster Chart Group 4 901 Rear Axle ID Group 5 000 Axle ID Group 5 000 Steering Gear Chart Group 6 508 Steering Column Chart Group 6 518 Power Steering Pump Chart Group 6 605 Spring Charts Group 7 412 Adhesive Molding Usage Group 8 132 Heater Module Chart Group 8 845 Body Cushion Chart Group 9 023 Air Conditioning Module Group 9 169 Air Conditioning Compressors Group 9 170 Air Conditioning Connectors Group 9 222 Electric Antenna Chart Group 9 645 Instrument Cluster Chart Group 9 735 Trim Combinations Group 14 000 Seat Belt Charts Group 14 875 Belt Codes Group 14 875 Seat Belt Cross Reference Group 14 875 Carpet Identification Group 15 512 Fabric Identification Group 15 996 Wire Tag Chart Group 15 998 T 1990 GENERAL MOTORS SERVICE PARTS 0PIERATIONS PONTIAC 22W REV 6 90 3