CX-9 AWD V6-3.7L (2008)
Variable Valve Timing Actuator: Service and Repair
VARIABLE VALVE TIMING ACTUATOR REMOVAL/INSTALLATION [MZI-3.7]
Warning
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Fuel vapor is hazardous. It can very easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
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Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injures or death and damage. Fuel can also irritate skin
and eyes. To prevent this, always complete the "Fuel Line Safety Procedure". (See BEFORE SERVICE PRECAUTION [MZI-3.7].)
See: Fuel Delivery and Air Induction/Service Precautions/Vehicle Damage Warnings/Before Service Precaution
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Continuous exposure to USED engine oil has caused skin cancer in laboratory mice. Protect your skin by washing with soap and
water immediately after working with engine oil.
Caution
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The variable valve timing actuator cannot be disassembled because it is a precision unit.
Note
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The following procedure "VARIABLE VALVE TIMING ACTUATOR REMOVAL/INSTALLATION" is performed after the engine and
transaxle component is removed from the vehicle.
1. Drain the engine oil.
2. Remove the engine and transaxle component.
3. Secure the engine and transaxle component using a hoist and the SST.
4. Remove the dynamic chamber and throttle body as a single unit.
5. Remove the ignition coils.
6. Remove the dipstick.
7. Remove the power steering oil pump drive belt.
8. Remove the power steering oil pump.
Caution
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When removing the timing chain and marking the timing marks on the chain, mark the camshaft timing chain as well.
9. Follow the "TIMING CHAIN REMOVAL/INSTALLATION" procedure and removal the timing chain.
10. Remove in the order indicated in the table.
11. Install in the reverse order of removal.
12. Start the engine and:
1) Inspect the runout and contact on the pulley and belt.
2) Inspect for engine oil, engine coolant, ATF, power steering fluid and fuel leakage.
3) Verify the ignition timing, idle speed and idle mixture. (See ENGINE TUNE-UP [MZI-3.7].) See: Tune-up and Engine Performance
Checks/Testing and Inspection
4) Engine accessories operation.
13. Perform a road test.
