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Service Point Locations

Fig 1: Service Point Locations (Typical)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Idle Speed Adjustment (4.3L Engine - Diesel)

Courtesy of GENERAL MOTORS CORP.

NOTE: For more information regarding 4.3L Diesel engine service refer to the TUNE-UP - 4.3L V6 VIN [V] article in the ENGINE PERFORMANCE section.