1948-53 Pontiac Hydramatic Manual (pg 89)
Fig. 128 Dial Indicator in Place to Check Face
15. Install flywheel and oversize dowel (below).
16. Replace transmission assembly (page 117). NOTE: Be sure to use lock washers under heads of front to rear flywheel housing bolts.
REPLACEMENT OF FLYWHEEL
FLYWHEEL TO CRANKSHAFT CONSTRUCTION
Flywheel has fit
of .001" loose to .002" tight on crankshaft flange and is held with six 1/2"
special bolts which are tightened gradually to 105 ft. lbs. torque, using
alternate opposites. A dowel pin is used to carry part of torque. Dowel has
.001" to .0025" press fit in both flywheel and crankshaft (Fig. 129). Special
seal compound (Pliobond 30) is used between flywheel and crankshaft.
OIL LEAK AT FLYWHEEL SEAL,
When inspection shows an oil leak to be located at flywheel to crankshaft seal, dowel, or at one or more of flywheel to crankshaft bolts
Flywheel to Crankshaft Construction
(Trouble Diagnosis and Testing, page
132 ), it will be necessary to remove flywheel and make following repair.
To page 90