GMC 1976 ZEO 6083 Maintenance Manual page 509

6. Check pump body face flatness . Overall flat-
ness should be .000" to .002" .
7. Inspect bushing for nicks, burrs, scoring, gall-
ing, out-of-round, or excessive wear .
NOTE :
To check for out-of-round, install pump
body on the converter hub and look for eccen-
tricity between pump bushing and converter
hub.
8 . Check for damaged pump cover plate bolt
holes.
9. Inspect front seal for damage . If replacement
of front seal is necessary, use a standard 3/4" cold
chisel and pry front seal from pump body, Figure 89 .
ASSEMBLY
1. If necessary, install a new front seal, using
Pump Oil Seal Installer, J-21359, to drive seal into
place. Use a non-hardening sealer on outside of seal
before installing into pump, Figure 90 .
2. Install new pump to case square-cut O-ring
seal .
3. Install driven gear into pump body with align-
ment mark up .
4. Install drive gear into pump body with drive
tangs up, Figure 91 .
NOTE:
Drive gear should always be installed
with counterbore down .
INSTALLATION
1 . Rotate transmission in holding fixture base so
that cored oil passages are up .
TRANSMISSION 7- 6 1
Figure 90-Installing Pump Front Seal
2. Install pump assembly over stator shaft and
position to drive support housing, rotating pump as
necessary to align holes in pump cover plate with
pump attaching bolt holes.
3. Install six retaining bolts (F), finger tight, Fig-
ure 88 .
4. Tighten pump attaching bolts to 20 ft. lbs.
Figure 91-Installing Pump Drive Gear