Rainier AWD L6-4.2L (2007)
Valve Spring: Service and Repair
Valve Stem Oil Seal and Valve Spring Replacement
Tools Required
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J 38820 Valve Stem Seal Remover and Installer
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J 44222 Camshaft Sprocket Holding Tool
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J-44228-A Valve Spring Compressor
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J 44226 Crankshaft Balancer Remover
Removal Procedure
Important:
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Organize the valve train components when disassembling so they can be reassembled in the same location and matched up with the same
components, as previously installed.
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Regulate the air pressure to 50 psi before pressurizing the cylinder to help prevent the crankshaft from turning.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
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Remove the torque converter access plug.
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Use the J 44226-3A 15 mm holding bar on a torque converter bolt to prevent the crankshaft from turning.
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Lower the vehicle.
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Remove and discard the timing gear bolts.
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Install the J 44222 onto the cylinder head in order to keep from disturbing the timing chain components.
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Adjust the 2 horizontal bolts into the camshaft sprockets to maintain chain tension.
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Carefully move the sprockets with the timing chain, off of the camshafts.
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Remove the camshaft cap bolts.
