gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 6354 > < Initial Inspection and Diagnostic Overview
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Control Assembly: Symptom Related Diagnostic Procedures

Temperature Control Effort

A kinked control cable, a binding valve or a faulty control assembly are possible causes of excessive temperature control lever effort. For an organized
diagnosis procedure and an effective "fix" for too little temperature control effort, refer to accompanying figure.

Initial Inspection and Diagnostic Overview|Page 6354 > < Initial Inspection and Diagnostic Overview