Variable Valve Timing Unit: Installation
NOTE:
Camshaft Adjustment Tool (999-5452) should already be installed.
- Push Variable valve timing (VVT) unit with camshaft pulley into camshaft. Put upper timing cover into place and ensure that timing marks still line up. Thread in center screw. DO NOT tighten.
- Ensure crankshaft has not deviated from properly aligned position by checking timing marks. Fit timing belt in numerical order. See Fig 1.
- Tension timing belt. Hold belt tensioner center bolt and turn eccentric counterclockwise until tensioner indicator passes marked position. Then turn eccentric clockwise until indicator shows marked position in center of window. Hold eccentric securely and tighten center bolt to specification when in proper position. See Fig 2. See TORQUE SPECIFICATIONS .
- Tighten VVT unit center bolt to specification. Tighten plug to specification. See TORQUE SPECIFICATIONS . Remove Camshaft Adjustment Tool (999-5452). Push on timing belt to ensure indicator moves easily. Fit upper timing cover and turn crankshaft two full revolutions to ensure timing marks align.
- Install lower, front and upper timing covers. Tighten bolts to specification.
- Install engine mount and connect to engine. Tighten bolts to specification.
- Remove Engine Lifting Beams (999-5006, 999-5383 and 999-5460) when engine mount is connected.
- Fit bracket for servo hose and accessory belt protector. Install auxiliary belts. Install camshaft position sensor trigger wheel and sensor housing and tighten bolts to specification. See TORQUE SPECIFICATIONS . Install rear camshaft cover. Install wire harness cover. Connect brake servo vacuum hose at throttle body. Fit hose between air cleaner and intake manifold.
- Ensure all connectors and components are installed. Connect negative battery cable and start engine. Test drive vehicle. Retrieve and diagnose DTCs. See appropriate SELF DIAGNOSTICS article.