Pontiac FIREBIRD 1972 Service Manual page 968

TURBO HYDRA-MATIC (M-40) TRANSMISSION 7E-79
Fig. 7E-160 Pressurizing Converter
CONVERTER
INSPECT
1. Check converter for leaks as follows:
a. Install Tool J 21369 and tighten.
b. Fill converter with 80 psi of air (Fig. 7E-160).
c. Submerge in water and check for leaks.
2. Check converter hub surfaces for signs of scoring or
wear that could damage the oil pump front seal.
3. Check converter for loss of balance weight or a
broken converter-to- crankshaft pilot. If balznce
weight is off or pilot is broken, replace the converter.
4. Check converter end play as follows:
Fig. 7E-161 Installing Tool J 2 1 3 7 1-2
Fig. 7E-162 Installing Tool J 2 1 3 7 1-3
a. Fully release collet end of Tool J 2 137 1-2 by turn-
ing its brass nut clockwise.
b. Install collet end of Tool J 2 137 1-2 into converter
hub until it bottoms, then tighten its brass nut to
5 Ib. ft. (Fig. 7E-161).
c. Install Tool
J 21371-3 and tighten the hex nut to
3 Ib. ft. (Fig. 78-162).
d. Install Dial Indicator J 8001 and set it for "zero"
while its plunger rests on the brass nut of Tool J
21371-2.
e. Loosen hex nut while holding brass nut station-
ary, allowing converter internal assembly to
lower, until dial indicator shows that internal as-
sembly has bottomed (Fig. 7E-163).
f. The reading obtained on dial indicator represents
converter end clearance. If clearance is UNDER
.05OU, the converter is acceptable. If clearance is
.050"'or OVER, replace thk converter.
Fig. 7E-163 Checking Converter End Play