OEM Cadillac Escalade EXT Rocker Arm

Cadillac Escalade EXT Rocker Arm Parts and Q&A

• Rocker Arms
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  Q: How to replace the valve rocker arm and push rods on Cadillac Escalade EXT?

  A:

  Begin valve Rocker Arm and push rod replacement by removing the Rocker Arm cover empty then arrange rocker arms pushrods and pivot support on a rack to preserve their initial setups. The Rocker Arm bolts need removal before removing each Rocker Arm and Rocker Arm pivot support and pushrods. Inspection and cleaning should proceed for the rocker arms and pushrods when needed. The valve lash exists as net build so no adjustment is needed when reinstalling the components into their original positions. Clean engine oil should be used to lubricate the rocker arms with pushrods while lubricating the bolts' flange as well. The Rocker Arm pivot support goes in along with pushrods that correctly seat within valve lifter sockets and the terminals of the rocker arms before securing the Rocker Arm bolts. When the number one Piston reaches the top dead center for compression stroke, turn the Crankshaft into a position to align its sprocket key at the 1:30 marker. The engine requires this position for tightening the Exhaust Valve bolts (30 Nm) on cylinders 1, 2, 7, and 8 while Intake Valve bolts (30 Nm) should be tightened for cylinders 1, 3, 4, and 5. The procedure requires the Crankshaft rotation by 360 degrees followed by a torque application of 30 nm (22 ft. Lbs.) to the rock arm bolts for cylinders 3, 4, 5, 6 exhaust valves and for cylinders 2, 6, 7, 8 intake valves. Mount the Rocker Arm cover as your step.