Chevrolet Equinox Service Manual: Valve Stem Oil Seal and Valve Spring Replacement - Left Side Valvetrain Valve Actuating Assembly

Special ToolsEN-39313 Spark Plug Port AdapterEN-46106 Flywheel Holding ToolEN-46110 On-Vehicle Valve Spring CompressorEN-46116 Valve Stem Seal Remover/Installer

For equivalent regional tools, refer toSpecial Tools.

Removal Procedure

Note:This procedure is not used in Brazil.

Remove the rocker arms. Refer toValve Rocker Arm Replacement - Left Side.Remove the starter motor. Refer toStarter Replacement.

Note:If the EN-46106 tool is not installed, the crankshaft may rotate. If the crankshaft rotates, disassemblyand reassembly of the entire camshaft timing system may be required.

Install the EN-46106 tool in order to prevent crankshaft rotation.Remove the spark plug from the applicable cylinder. Refer toSpark Plug Replacement.Install the EN-39313 adapter to the applicable cylinder.Connect the EN-39313 adapter to a compressed air source.

Install the EN-46110 compressor above the applicable cylinder as shown.Tighten the EN-46110 compressor nut-(2).

Remove the valve keepers.Loosen the EN-46110 compressor nut.Remove the valve spring retainer.

Remove the valve spring.

Use the EN-46116 remover/installer (1) in order to remove the valve stem seal-(2).Installation Procedure

Use the EN-46116 remover/installer (1) in order to install the valve stem seal-(2).

Install the valve spring.Install the valve spring retainer.

Install the EN-46110 compressor above the applicable valve spring as shown.

Tighten the EN-46110 compressor nut-(2).

Install the valve spring keepers.Remove the EN-46110 compressor.Disconnect the EN-39313 adapter from the compressed air source.Remove the EN-39313 adapter.Install the spark plugs. Refer toSpark Plug Replacement.Install the rocker arms. Refer toValve Rocker Arm Replacement - Left Side.Remove the EN-46106 tool in order to prevent crankshaft rotation.Install the starter motor. Refer toStarter Replacement.