Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 2005 >> Tribute 2WD L4-2.3L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Cylinder Head Assembly >> Valve Cover >> Service and Repair
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Valve Cover: Service and Repair

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 coolant vent tube bracket nuts and position aside the coolant vent tube.
5. Disconnect the CMP sensor electrical connector.
6. Disconnect the fuel rail pressure and temperature sensor electrical connector.





7. Lift up the connector boot and disconnect the CHT sensor electrical connector.
8. Disconnect the vacuum tube retainer and position aside the vacuum tube.





9. Remove the nut and position the power steering tube and bracket aside.





10. Remove the nut and position the accelerator control cable and bracket aside.





11. Remove the nut and position the accelerator control cable and bracket aside.





12. Detach the wiring harness retainer.





13. Detach the wiring harness retainer.





14. Detach the wiring harness retainers and position the wiring harness aside.
15. Remove the bolts, valve cover and the gasket.

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.

16. Clean and inspect the sealing surfaces.

Installation

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. Clean and inspect the gasket. Install a new gasket, if necessary.
2. Install the bolts, valve cover and the gasket.





3. Tighten the retainers in the sequence shown.





4. Position the wiring harness and attach the two wiring harness retainers.





5. Attach the wiring harness retainer.





6. Attach the wiring harness retainer.





7. Install the accelerator control cable and bracket.





8. Install the accelerator control cable and bracket.





9. Install the power steering tube and bracket.
10. Connect the vacuum tube retainer.





11. Connect the CHT sensor electrical connector and install the connector boot and disc.
12. Connect the fuel rail pressure and temperature sensor electrical connector.
13. Connect the CMP sensor electrical connector.
14. Reposition the coolant vent tube and install the coolant vent tube bracket.
15. Connect the crankcase vent hose.
16. Install the ignition coil-on-plugs.
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