Operation CHARM
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Sierra 2500 4WD V8-6.0L
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A/C - Compressor/Belt Noise, Reprogram PCM
Manuals through 2025 now available!
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A/C - Compressor/Belt Noise, Reprogram PCM
This TSB number 07-01-38-010, dated 10/01/07 has been superceded by TSB number 07-01-38-010A , dated 10/06/09