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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 sprocket key
will be at the 1:30 position.
The engine firing order is 1,8,7,2,6,5,4,3.
Cylinders 1,3,5, and 7 are left bank.
Cylinders 2,4,6, and 8 are right bank.
7. With the engine in the number one firing position, tighten the following valve rocker arm bolts:
Tighten:
z
Tighten the exhaust valve rocker arm bolts 1,2,7, and 8 to 30 N.m (22 lb ft).
z
Tighten the intake valve rocker arm bolts 1,3,4, and 5 to 30 N.m (22 lb ft).
8. Rotate the crankshaft 360 degrees.
9. Tighten the following valve rocker arm bolts:
Tighten:
z
Tighten the exhaust valve rocker arm bolts 3,4,5, and 6 to 30 N.m (22 lb ft).
z
Tighten the intake valve rocker arm bolts 2,6,7, and 8 to 30 N.m (22 lb ft).
10. Install the valve rocker arm covers. Refer to
Valve Rocker Arm Cover Replacement - Left
or
Valve
Rocker Arm Cover Replacement - Right
.
VALVE STEM OIL SEAL AND VALVE SPRING REPLACEMENT
Tools Required
z
J 22794
Spark Plug Port Adapter
z
J 38606
Valve Spring Compressor (Head-on)
z
J 42078 Valve Stem Oil Seal Installer
Removal Procedure
2004 Chevrolet Corvette
2004 ENGINE PERFORMANCE Engine Mechanical (Repair Instructions 1 Of 3) - 5.7L - Corvette
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