Power Solutions International — Valve Rocker Arm Cover Replacement - Left
Repair & overhaul
From a Power Solutions International service manual — check it applies to your exact model before use.
Applies to: General Motors 8.8L engine
Before you start
- Twist the spark plug boot one-half turn to release; pull on the boot only
Procedure
- Remove the engine sight shield.
- Remove the CPA retainer from the ignition coil electrical connector.
- Disconnect the ignition coil harness electrical connector.
- Remove the spark plug wires from the spark plugs and ignition coils.
- Remove the valve rocker arm cover bolts and the cover.
- Inspect the valve rocker arm cover gasket for cuts or damage.
- Install cover and bolts; tighten two passes to 6 Nm then 12 Nm.
- Install spark plug wires, coil connector, CPA retainer, and sight shield.
Specs & values
- Valve rocker arm cover bolts: 6 Nm (53 lb in) first pass; 12 Nm (106 lb in) final pass
Source: Power Solutions International service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.