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Fig. 97: View Of Pushrods 4. Install the pushrods. IMPORTANT: Make sure that the pushrods seat properly to the valve lifter sockets.
2008 Hummer H2 2008 ENGINE Engine Mechanical - 6.2L - H2
Fig. 98: View Of Rocker Arms & Bolts 5. Install the rocker arms and bolts. IMPORTANT: Make sure that the pushrods seat properly to the ends of the rocker arms. DO NOT tighten the rocker arm bolts at this
2008 Hummer H2 2008 ENGINE Engine Mechanical - 6.2L - H2
Fig. 99: View of Crankshaft/Camshaft In Position For Number 1 Piston At TDC NOTE: Refer to Fastener Notice .
2008 Hummer H2 2008 ENGINE Engine Mechanical - 6.2L - H2
6. Rotate the crankshaft until the number one piston is at top dead center (TDC) of the compression stroke. In this position, cylinder number one rocker arms will be off lobe lift, and the crankshaft The engine firing order is 1,8,7,2,6,5,4,3. Cylinders 1,3,5 and 7 are the left bank. Cylinder 2,4,6 and 8 are the right bank. 7. With the engine in the number one firing position, tighten the following valve rocker arm bolts: Tighten: Tighten the cylinders 1,2,7 and 8 exhaust valve rocker arm bolts to 30 N.m (22 lb ft). Tighten the cylinders 1,3,4 and 5 intake valve rocker arm bolts to 30 N.m (22 lb ft). 8. Rotate the crankshaft 360 degrees. 9. Tighten the following valve rocker arm bolts: Tighten: Tighten the cylinders 3, 4, 5 and 6 exhaust valve rocker arm bolts to 30 N.m (22 lb ft). Tighten the cylinders 2, 6, 7 and 8 intake valve rocker arm bolts to 30 N.m (22 lb ft). 10. Install the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement - Left Side or Valve Rocker Arm Cover Replacement - Right Side. VALVE STEM OIL SEAL AND VALVE SPRING REPLACEMENT Special Tools J 22794 Spark Plug Port Adapter. See Special Tools. J 38606 Valve Spring Compressor. See Special Tools. Removal Procedure
2008 Hummer H2 2008 ENGINE Engine Mechanical - 6.2L - H2
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