Valve Clearance Specifications

This article has been updated with one of the following Bulletins 89-6-18, T-90-13, 90-53-6, 90-6-1.

The 2.8L engines have intake and exhaust push rods with different lengths. To distinguish the different length push rods they have been identified with paint. The paint markings may be hard to recognize after prolonged use, but the push rods may be identified by their different lengths. The intake push rods are marked with orange paint and are 6 inches long, The exhaust push rods are marked with blue paint and are 6 3/8 inches long.

VALVE MECHANISM









REMOVE OR DISCONNECT
1. Rocker covers.
2. Rocker arm(s).
^ Keep components in a rack so they may be reinstalled in the same location
3. Rocker arm pivot balls.
4. Rocker arm(s).
5. Push rods.

INSTALL OR CONNECT
1. Push rods and be sure they seat in lifter.
2. Push rod guides.
3. Rocker arm(s).
4. Rocker arm pivot ball(s).

IMPORTANT: Coat bearing surfaces of rocker arms and pivot balls with "Molykote" or equivalent.

5. Rocker arm nuts.

TIGHTEN
^ Nuts to 24 Nm (18 ft. lb.)

6. Rocker covers.