Changing the timing gear drive belts (page 4 of 4)

Make

Alfa Romeo

Model

145/146 Factory Service Manual

Year

1994–1999

Section

Maintenance

Technical data and maintenanceChanging the timing gear drive belts · page 4 of 4

• Remove the spark plugs.

1. Check the valve gear timing.

1. Slacken the nuts fastening the belt tensioner and remove the timing belts.

1. Turn the left head camshafts until the notches coincide.

• Turn the crankshaft until the notch "T" on the flywheel is aligned with the fixed reference.

2. Fit the left-hand timing belt.
3. Slacken the belt tensioner fastening nut so that it exerts the the load impressed by the spring on the belt.

• Repeat the previous operations for assembling and timing the right-hand belt.
• Turn the crankshaft a few times in its direction of rotation, to all the belt to take its final position.

1. Check the valve gear timing.

• Turn the crankshaft by 90° until the notch "●" on the flywheel is aligned with the fixed reference and the notches "▲" on the right head timimg pulley are aligned.

1. Slacken the nuts fastening the right belt tensioner to settle it, then tighten them to the specified torque.

• Turn the crankshaft by 360° until the notch "●" on the flywheel is alighed with the fixed reference and the notches "▲" on the left head timing pulleys are aligned.

1. Slacken the nuts fastening the left belt tensioner to settle it, then tighten them to the specified torque.

• Turn the crankshaft a few times then check again that the timing references coincide.

02 Maintenance