K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
11.
If the vehicle is a 2003 model year Chevrolet Express or GMC Savana van, the vehicle may require a new accumulator. Refer to Corporate
Bulletin Number 03-01-38-016 for more information. This bulletin refers to an updated design accumulator that may improve the performance of
the A/C system.
12.
Install a new serpentine belt tensioner and serpentine belt if they have been damaged due to A/C system slugging or an A/C compressor seizure.
The serpentine belt tensioner may have broken stop tabs and/or a missing front cap.
13.
Verify proper operation of the A/C system.
Parts Information
Warranty Information
For vehicles repaired under warranty, use the table.
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