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1. Position the upper timing chain guide to the cylinder head. 2. Apply threadlock to the upper timing chain guide bolt threads. Refer to Sealers, Adhesives and Lubricants. 3. Install the upper timing chain guide bolts. Tighten: Tighten the bolts to 10 N.m (89 lb in). 4. Install the camshaft cover. Refer to Camshaft Cover Replacement. TIMING CHAIN GUIDE REPLACEMENT - LOWER Removal Procedure 1. Remove the timing chain tensioner shoe. Refer to Timing Chain Tensioner Shoe Replacement. 2. Slide the crankshaft sprocket from the crankshaft sprocket snout, in order to gain slack in the timing chain to remove the lower timing chain guide. NOTE: Refer to Fastener Notice .
2007 Hummer H3 2007 ENGINE Engine Mechanical - 3.7L - H3
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