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1983
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C 10 1/2 Ton Pickup 2WD L6-250 4.1L VIN D 2-bbl
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Engine - Crankcase Flushing Information
Engine - Crankcase Flushing Information
This TSB number 04-06-01-029B, dated 02/05/08 has been superceded by TSB number 04-06-01-029G , dated 09/27/12