Pontiac tempest 1968 Service Manual page 291

6-74 1968 P O N T I A C SERVICE MANUAL
J - 5 8 2 1
F i g . 6 - 1 3 0 Hydraulic Lifter Equipment
new gaskets throughout and pay special attention to
torque requirements.
ASSEMBLE
1 . Install old connecting rods to proper piston and
pin assemblies and install in cylinder from which
pistons were removed.
2. Install crankshaft and plastigage bearings.
3. Install two timing cover mounting studs.
4. Install camshaft, using care not to damage
bearings.
5. Install camshaft thrust plate indexing oiling slot
in plate with oil groove in block.
6. Make sure keys are in place in crankshaft and
camshaft. Install timing chain and sprockets, making
sure marks in sprockets are aligned exactly on a
straight line passing through shaft centers. Align­
ment can be simplified by first installing sprockets
without chain to align timing marks. If timing chain
is excessively loose, new chain or new chain and
sprockets should be used.
7. Position fuel pump eccentric bushing over ec­
centric with flange toward camshaft sprocket.
8 . Install fuel pump eccentric and bushing on cam­
shaft sprocket, indexing tang on eccentric with key-
way cut-out in camshaft sprocket.
9. Position timing cover gasket over mounting
studs and dowels on block.
10. Install timing cover, water pump, fan and
pulley. Do not install stud nuts at this time.
11. Slide harmonic balancer onto crankshaft, and
install harmonic balancer to crankshaft bolt and
washer. Place hammer handle between block and
crankshaft counterweight to keep crankshaft from
turning and tighten harmonic balancer to crankshaft
bolt 160 lb. ft. torque.
12. Install baffle and oil indicator tube extension.
13. Insert oil pump drive shaft with dimpled end
towards block.
14. Install oil pump gasket.
15. Cement new gaskets to oil pan and rear main
bearing cap; use retainers to hold gasket. Install
oil pan except for two rear screws. Position fly­
wheel housing front shield and gasket against oil pan
and install two rear oil pan bolts.
16. Position new cylinder head gasket on block.
17. Position cylinder heads and exhaust manifolds
on locating pins. Install head bolts and torque to
95 lb. ft.
NOTE: Three different length bolts are used.
When inserted in proper holes, all will project an
equal amount from their respective bosses.
18. Install lifters in bosses from which they were
removed.
19. Install push rods in same location as originally
removed and with same end facing valve lifter.