Installing tappets and camshafts

Fig 1: Identifying Intake And Exhaust Camshafts

Courtesy of VOLVO CARS OF NORTH AMERICA.

Lubricate the valve guide wells.

Install all the tappets.

Lubricate the camshaft bearing seats.

Install the intake camshaft. Ensure that the groove at the back of the camshaft is above  an imaginary center line.

Position the exhaust camshaft. Ensure that the groove at the back of the camshaft is below  an imaginary center line