Valve Cover: Service and Repair

Valve Cover

Valve Cover:

Removal

CAUTION: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan can cause engine failure.

1. With the vehicle in NEUTRAL, position it on a hoist.
2. Remove the ignition coil-on-plugs.
3. Disconnect the crankcase vent hose.
4. Remove the 2 coolant vent tube bracket nuts.
^ Position the vent tube and brackets aside.
5. Disconnect the camshaft position (CMP) sensor electrical connector.
6. Disconnect the fuel rail pressure and temperature sensor electrical connector.
7. Disconnect the cylinder head temperature (CHT) sensor electrical connector.
8. Disconnect the vacuum tube from the intake manifold.
^ Detach the pin-type retainer and position the vacuum tube aside.
9. Remove the 2 accelerator cable bracket nuts.
^ Position the accelerator cable and brackets aside.
10. Remove the power steering tube bracket nut.
^ Position the power steering tube and bracket aside.
11. Detach all of the wiring harness retainers from the valve cover studs and position the harness aside.
12. Remove the 14 valve cover retainers, the valve cover and gasket.

Installation

1. CAUTION: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges which make leak paths.

Clean and inspect the sealing surfaces.





2. NOTE: Clean and inspect the gasket. Install a new gasket, if necessary.

Install the valve cover, gasket and retainers.
^ Tighten in the sequence shown to 10 Nm (89 inch lbs.).
3. Position the wiring harness and attach all of the wiring harness retainers to the valve cover studs.
4. Position the power steering tube and bracket.
^ Tighten to 6 Nm (53 inch lbs.).
5. Position the accelerator control cable and brackets.
^ Tighten to 6 Nm (53 inch lbs.).
6. Attach the vacuum tube and the pin-type retainer to the intake manifold.
7. Connect the CHT sensor electrical connector.
8. Connect the fuel rail pressure and temperature sensor electrical connector.
9. Connect the CMP sensor electrical connector.
10. Install the coolant vent tube, brackets and nuts.
^ Tighten to 6 Nm (53 inch lbs.).
11. Connect the crankcase vent hose.
12. Install the ignition coil-on-plugs.