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Chevrolet Workshop Service and Repair Manuals

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System Relay, HVAC > < A/T - 4L60/65E, No Reverse/2nd or 4th Gear|Page 11823

C 3500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2002)

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Important: Do not adjust any controls on the HVAC control module while the HVAC control module is calibrating.

If interrupted improper HVAC performance will result.

5. Start the vehicle and let run for one minute.

System Relay, HVAC > < A/T - 4L60/65E, No Reverse/2nd or 4th Gear|Page 11823