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GMC Truck
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1989
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K 3500 Truck 4WD V8-454 7.4L
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Engine - Unnecessary Flushing Services
Engine - Unnecessary Flushing Services
This TSB number 04-06-01-029A, dated 11/28/06 has been superceded by TSB number 04-06-01-029G , dated 09/27/12