Valve Rotation Pattern; Removing Valve Springs; Valve Lifter (Cutaway View); Removing Valve Lifter - Pontiac TRANS AM 1977 Service Manual

6A4-10 1 9 7 7 PONTIAC SERVICE MANUAL
NO ROTATION PARTIAL ROTATION
PATTERN TIP PATTERN
REPLACE ROTATOR REPLACE ROTATOR
AND CHECK ROTATION
AND CHECK ROTATION'
1 2 6 9
- - -
Fig.
6A4-17
Valve Rotation Pattern
I
LIFTER BODY
BALL CHECK VALVE
RETAINER
/
BALL CHECK
VALVE
' r
PLUNGER SPRING
BALL CHECK VALVE SPRING
(HIGH BALL LIFTER ONLY)
ROD
ROCKER FEED M E T E R I ~ G
- '
VALVE
I
RETAINER SPRING
268
Fig.
6A4-18
Valve Lifter (Cutaway View)
Fig.
6A4-16
Removing Valve Springs
Fig.
6A4-19
Removing Valve Lifter
6. Hold plunger with spring up and insert into lifter
body. Hold plunger vertically to prevent cocking spring.
NOTE: Lifters must be assembled while submerged in
Hydraulic Lifter Test Fluid BT-59 and leak-down tested
before placing into service.
7. Assemble oil metering valve and push rod seat and
seat retaining ring in groove.