Heating Performance Diagnostic (Front System)

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Heating Performance Diagnostic Chart (Front System) (Steps 1-8)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Heating Performance Diagnostic Chart (Front System) (Steps 9-17)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Heating Performance Diagnostic Chart (Front System) (Steps 18-19)

Courtesy of GENERAL MOTORS CORP.