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2003
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Envoy 4WD L6-4.2L VIN S
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4WD System - 'Service 4WD' Lamp ON/DTC C0734 Set
4WD System - 'Service 4WD' Lamp ON/DTC C0734 Set
This TSB number 05-04-21-003, dated 06/27/05 has been superceded by TSB number 05-04-21-003C , dated 04/15/08