Remove And Replace; Push Rod Cover Or Gasket; Valve Springs, Shield Or Seal- Remove And Replace - Pontiac tempest 1968 Service Manual

V-8 E N G I N E
6 - 4 5
F i g . 6 - 7 7 Intake Manifold Gasket Retainers
13. Remove intake manifold retaining bolts and
nuts
?
and remove manifold and gaskets.
NOTE; Make certain O-ring seal between intake
manifold and timing chain cover is retained and
installed during assembly if not damaged.
R E P L A C E
NOTE: When a new manifold is to be installed,
transfer carburetor, thermostat, heater hose fit­
ting and thermogauge fitting. Use new gaskets on
those units requiring gaskets and new O-ring seal
between manifold and timing chain cover.
1. Install new gaskets on cylinder heads, position­
ing them with plastic retainers (Fig. 6-77).
2. Install intake manifold on engine.
3. Install O-ring seal.
4. Install cap bolts and nuts loosely.
5. Position throttle control bracket assembly on
manifold and install cap bolts.
6. Tighten timing chain cover to intake manifold
bolt until both units are metal-to-metal (15 lb. ft.
torque).
7. Tighten all nuts and bolts evenly to 40 lb. ft.
torque.
8. Connect throttle rod to carburetor.
9. On cars equipped with power brakes, install
vacuum pipe to carburetor.
10. Install fuel pipe connecting carburetor to fuel
pump.
11. Install crankcase vent hose to intake manifold
fitting.
12. Connect heater hose to fitting.
13. Install water outlet fitting.
14. Connect wire to thermogauge unit terminal.
15. Install vacuum hoses, connecting distributor
vacuum advance unit to carburetor. Care should be
taken not to interchange advance and retard hoses.
16. Install spark plug wire bracket.
17. Replace air cleaner, attaching closed ventila­
tion pipe, vacuum source and hot air duct.
18. Close drain plug and fill radiator to proper
level.
19. Check accelerator linkage adjustments.
PUSH ROD COVER OR GASKET-
REMOVE AND REPLACE
REMOVE
1. Remove intake manifold, retaining O-ring seal.
2. Remove crankcase ventilator hose.
3. Remove screws from push rod cover and re­
move cover.
R E P L A C E
1. Cement new gasket on push rod cover.
2. Replace push rod cover and tighten screws.
3. Replace positive crankcase ventilation hose.
4. Install intake manifold and O-ring seal.
VALVE SPRINGS, SHIELD OR SEAL-
REMOVE AND REPLACE (Figs. 6-78, 6-79 and 6-80)
REMOVE
1. Remove rocker arm cover, spark plug and dis­
tributor cap. (Remove rear generator bracket on
right side.)
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. 6-78). Remove valve spring
retainer cup locks and then remove valve spring
compressor, valve spring retainer cup shield and
valve stem seal.
R E P L A C E
1. Install new part or parts, compress springs
with valve spring compressor J 6384-1 and nut