Removing And Installing Pump Drive Gear; Pump Body Oil Passages; Checking Pump Body Face To Gear Face Clearance - Pontiac Grand Prix Service Manual

TURBO HYDRA-MATIC-M-40
7E-29
Fig. 7E.75 Installing Pressure Regulator Retaining
Pin and Bore Plug
4. Check oil passages in pump body (Fig. 7E-78).
5. Check for damaged cover bolt attaching threads.
6. Check for overall flatness of pump body face.
7. Check bushing for scores or nicks. If replacement is
necessary, proceed as follows:
a. Using Tool J 21465-17, with Driver Handle J 8092,
remove bushing.
b. From gear pocket side of pump and, using J
21465-17 with Driver Handle J 8092, install new
bushing flush to ,010" below gear pocket face.
8. Inspect pump attaching bolt seals for damage,
replace if necessary.
9. Inspect pump cover face for overall flatness.
Fig. 7E-77 Checking Pump Body Face to Gear Face
Clearance
10. Check for scores or chips in pressure re'gulator
bore.
11. Check that all passages are open and inter-con-
nected in pump cover (Fig. 7E-79).
12. Check for scoring and damage at pump gear face.
4
13. Inspect stator shaft for damaged splines or scored
bushings. If replacement of bushings is necessary,
proceed as follows:
a. Thread J 21465-15 into stator shaft bushing. Thread
Slide Hammer J 2619 into remover. Clamp Slide
Hammer handle into vise. Grasp stator shaft and
remove.
b. Using Installer J 21465-3 (front) or J 21465-2 (rear)
with Driver Handle J 8092, press on drive bushing
until tool bottoms.
VENT
MODULATOR OR
INTERMEDIATE
Fig. 7E-76 Removing and Installing Pump Drive Gear
Fig. 7E-78 Pump Body Oil Passages