Push Rod Or Valve Lifter; Checking Valve Stem Seal; Lifter Wash Tank And Tray; Removing Push Rod Seat Retainer - Pontiac Grand Prix Service Manual

V-8
ENGINE 6-47
cup locks and then remove valve spring compressor,
ac
.sr,rr**
+.-"
valve spring retainer cup shield and valve stem seal.
REPLACE
Fig. 6-81 Checking Valve Stem Seal
tor cap. (Remove rear compressor bracket on right side
on cars equipped with A/C.)
2. Install air fitting J 22278 in spark plug hole and
attach air line.
3. Remove rocker arm.
4. After removing rocker arm, thread valve spring
compressor stud J 8929-1 on rocker arm stud and
compress valve spring, using compressor J 6384-1 and
nut J 8929-2 (Fig. 6-79). Remove valve spring retainer
I
CLEANING SOLVENT K E R O S E N E
I
Fig.6-82 Lifter Wash Tank and Tray
1. Install new part or parts, compress springs with
valve spring compressor J 6384-1 and nut J 8929-2.
Install valve stem seal (Fig. 6-80) and retainer cup
locks. Remove spring compressor and valve holder,
then test valve stem seal, using suction cup end of tool
J 22330 (Fig. 6-81).
2. Install rocker arm, tighten rocker arm ball retaining
nut to 20 lb. ft. torque.
3. Remove air fitting J 22278.
4. Replace rocker arm cover, spark plug, distributor
cap and connect spark plug wire.
PUSH ROD OR VALVE LIFTER
REMOVE
1. Remove intake manifold, retaining O-ring seal.
2. Remove push rod cover.
3. Remove rocker arm cover.
4. Loosen rocker arm ball nut and move rocker arm off
push rod.
5. Remove push rod.
6. Remove lifter. Hydraulic valve lifter remover J 3049
may facilitate removal of lifter.
NOTE: If more than one liper is to be replaced store
push rtxh in a stand and lipers in a liper box so they
can be re-installed in exactly the same place and
position. See GENERAL INFORMA TION ON
ENGINE SERVICE.
Fig. 6-83 Removing Push Rod Seat Retainer