FACTORY BULLETINS

摘要

General Motors: 2004-06 Chevrolet Colorado, GMC Canyon, 2006 Hummer H3 with Vortec 2.8L or 3.5L engine Subject: GM has issued a revised procedure for removing the cylinder head without removing the front engine cover. The procedure is made possible by a new tool, EN48464, Lower Timing Gear Tensioner Holding Tool. The 13-page bulletin includes other tool numbers, part numbers, color photos and instructions for completing the job.