Valve Clearance, Setting / Adjusting: Preparation

Remove the cable from the battery negative terminal. First read Battery, disconnecting .

Check the valve clearance according to Checking valve clearance .

Fig 1: Expansion Tank

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove (B6284T) 

• the camshaft position (CMP) sensor housing. Place to one side
• the trigger wheel
• the screw holding the control pipe for the pressure regulator to the top of the cylinder head
• the protective cover over the injector connectors.

Remove (B6294S) 

• the cover at the rear of the exhaust camshaft
• the vacuum hoses from the intake manifold
• the screws at the intake manifold junction.

  Lift out the upper section of the intake manifold. Remove the gasket. Install guard 9995723 .

Remove (common) 

• the ground strip from the firewall
• the connector for the variable valve timing solenoid
• the connector for the coolant temperature sensor
• the screw holding the cable duct for the temperature sensor to the top of the cylinder head
• the radiator breather tube from the expansion tank. Install lock grip pliers.

Lift up the brake fluid reservoir.

Disconnect the ABS sensor connector.

Place the brake fluid reservoir over the engine.

Disconnect the connector for the level sensor in the expansion tank.

Lift up and place the expansion tank on top of the engine.

Fig 2: Crankshaft And Camshafts Markings

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove 

• the auxiliaries belt
• the front timing cover.

Position the upper timing cover.

Turn the crankshaft clockwise until the markings on the crankshaft belt pulley and the timing belt pulley are aligned with the markings on the oil pump and the upper timing cover.

Remove the upper timing cover.