Chevrolet Equinox Service Manual: Secondary Air Injection Check Valve Cleaning and Inspection Emissions Air Injection

Chevrolet Equinox Service Manual / Powertrain / Engine / Secondary Air Injection Check Valve Cleaning and Inspection Emissions Air Injection

Secondary Air Injection Check Valve Cleaning and Inspection Emissions Air Injection

Inspect the secondary air injection-(SAI) checkvalve for the following:Damage to the SAI check valve feed pipefitting-(1)Damage to the SAI check valve mounting boltholes-(2)Damage to the SAI check valve gasket sealingsurface-(3)Damage to the SAI check valve inletport-(4)Replace the SAI check valve as necessary.

Camshaft Cleaning and Inspection (LAF, LEA, or LUK) Valvetrain Camshaft

Inspect the camshaft journals and lobes for wear orscoring.Inspect the camshaft sprocket alignment notch fordamage.Inspect the camshaft cover-(1) for damage or looseoil control baffles.Clean the camsh ...

Camshaft Timing Chain and Sprocket Cleaning and Inspection Valvetrain Valvetrain Timing

Inspect the timing chain guides-(1, 4, 6) forcracking or wear.Replace the timing chain guides if wear exceeds1.12-mm (0.045-in) depth on the chain guidesurface.Inspect the timing chain tensioner shoe ...

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Balance Shaft Removal Engine Block Cylinder Block Balance Shaft
Note:This procedure is not used in Europe.Special Tools EN-43650 Balancer Shaft Bearing Remover and InstallerFor equivalent regional tools, refer toSpecial Tools.Remove the balance shaft bearing carrier bolts.Note:It is possible to install the intake side balance shaft into the exhaust side andvice ...