NOTE: The valve adjustment should be performed while the engine
is cold. A Shim Replace Kit 498187100 will be needed to perform the valve adjustment.
- Before servicing the vehicle, refer to the precautions in the beginning
of this section.
- Adjustment should be performed when engine is cold.
- Remove or disconnect the following:
- Negative battery cable
- Engine coolant reservoir tank
- Timing belt cover on the left hand side
- When inspecting Nos. 1 and 3 cylinders remove the following:
- Air intake duct as a unit
- Resonator chamber
- Spark plug wires from Nos. 1 and 3 cylinders
- Blowby house from valve cover
- Engine undercover
- Timing belt cover on the right hand side
- Valve cover on the right hand side
- When inspecting Nos. 2 and 4 cylinders remove the following:
- Battery and battery tray
- Window washer motor connectors front and rear
- Rear gate glass washer hose from the washer motor
- Washer tank mounting bolts and secure out of the way
- Spark plug wires from Nos. 2 and 4 cylinders
- Blow by house from valve cover
- Timing belt cover on the right hand side
- Valve cover on the left hand side
- Set No. 1 cylinder to Top Dead Center (TDC).
NOTE: When arrow mark on the left hand side comes exactly
to the top, No. 1 cylinder piston is brought to TDC of the compression stroke.
- Check the valve clearance:
- Intake valve: 0.0071-0.0087 in. (0.18-0.22mm).
- Exhaust valve: 0.0090-0.0106 in. (0.23-0.27mm).
- If any valve needs adjustment, perform the following:
- Loosen the valve rocker nut and screw.
- Place a thickness gage in at as horizontal a direction as possible with
respect to the vale stem and face.
- Adjust the screw until proper clearance is obtained.
- Tighten the rocker nut after adjusted.
- Install or connect the following:
- Valve covers left and right
- Timing belt covers
- Blowby houses to valve covers
- Spark plug wires
- Washer tank
- Rear gate glass washer hose to the washer motor
- Washer motor connectors
- Battery and battery tray
- Engine undercover
- Resonator chamber
- Air intake duct unit
- Engine coolant reservoir tank
| Fig. 1: Position the camshaft for adjustment
to valves
|
