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Home/Chevrolet/Chevy Express H2500/Chevrolet Chevy Express H2500 (2003-2003)/Repair manual/Heating, Ventilation and Air Conditioning/Test Description
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Test Description Chevrolet Chevy Express H2500

Heating, Ventilation and Air Conditioning 8 illustrations

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. This step determines if the A/C system has at least the minimum refrigerant charge required to operate the system without damage.
  2. This step measures the performance of the A/C system.
  3. This step is to allow for vehicle variations as well as high ambient temperatures.

Scheme 2

Scheme 2
Scheme 2

Scheme 3

Scheme 3
Scheme 3

Scheme 4

Scheme 4
Scheme 4

Scheme 5

Scheme 5
Scheme 5

Scheme 6

Scheme 6
Scheme 6

Scheme 7

Scheme 7
Scheme 7

Scheme 8

Scheme 8
Scheme 8

Scheme 9

Scheme 9
Scheme 9