Pontiac tempest 1968 Service Manual page 288

6-71
OIL PASSAGE TO
DISTRIBUTOR LOWER BUSHING
A N D DRIVE GEAR
SERIAL NUMBER
PAD
OIL GALLERY PLUGS
OIL GROOVE FOR TIMING TIMING CHAIN
CHAIN CRANKSHAFT SPROCKET COVER GASKET
F i g . 6-127 Cylinder Block—View From Left Front
hose to blow smoke in oil filter outlet while
serving for smoke passing out oil passages from
left main oil gallery to lifter bosses (Fig. 6-127).
f. Check oil passages to right bank lifter bosses.
Use rubber hose to blow smoke in passage from
front main bearing to right main oil gallery while
observing for smoke passing out passages from
right gallery to lifter bosses (Fig. 6-128).
g. Use wire to check two drain holes in lifter
gallery (Fig. 6-126).
INSTALL NEW PLUGS
The following plugs can be installed by driving
into place, using a flat piece of metal or hard wood
bearing against the outer surface: Camshaft plug,
water jacket plugs, rear oil gallery plug in block,
cylinder head and core hole plugs.
Front oil gallery plugs in the block must be driven
into place, using a tool which bears against the bot­
tom of the plug. A 1/2" x 3" bolt will make a satis­
factory tool for this purpose.
All plugs should be driven in until the outer edge
is flush with the surrounding surface.
FITTED BLOCK ASSEMBLY-REPLACE
Fitted block contains pistons, rings, pins and cam­
shaft bearings.
DISASSEMBLE
1. Remove flywheel housing and clutch assembly.
2. Remove flywheel and mount engine in holding
stand.
3. Remove motor mounts and linkage bracket.
4. Remove generator and mounting bracket.