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52. Remove both upper cylinder head access hole plugs from the front of the cylinder head. 53. Remove the 1 long and 2 short cylinder head bolts next to the exhaust and intake timing chain tensioner shoes and discard the bolts. 54. Remove both upper timing chain tensioner shoe bolts. 55. Remove the exhaust and the intake camshaft sprocket bolts. Discard the bolts. Fig. 104: View Of Camshaft Sprockets 56. Carefully remove the exhaust and intake camshaft sprockets with the timing chain from the exhaust and intake camshafts. The illustration shows the exhaust camshaft sprocket already by removing the front cover to release the timing chain
2007 Hummer H3 2007 ENGINE Engine Mechanical - 3.7L - H3
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