GMC T Series 1994 Repair Manual page 664

|^jH| Measure
Figure 90
• Oil pump rotor (212) thickness.
• Oil pump slide (203) thickness.
f ? l Important
• Measurement of rotor/slide must be made on
u nd am aged surfaces. S elect sim ilar size
replacem ents. Lightly hone both sides of
replacement rotor or slide to remove any nicks
or burrs.
Oil Pump Body
Figures 91,92 and 93
Tool Required:
J 25016 Seal Installer
Assemble
1. O -ring seal (202) and oil seal ring (201) into
the groove on the back side of the slide.
• R etain w ith T ransjel™
equivalent.
2. Pivot pin spring (204) and pivot pin (205) into
the pump body.
3. Slide (203).
• Index the notch in the slide with the pivot
pin.
• The oil seal ring must face downward into
the pump pocket.
4. Slide seal (209) and support (208).
5. Vane guide ring (210).
6. Rotor guide (211) onto the rotor.
• R etain w ith T ransjel™
equivalent.
7. Rotor (212).
• With guide toward the pump pocket.
8. Vanes (213).
9. Vane guide ring (210).
10. Pump slide spring (206 and 207).
11. Oil seal assembly (2), retainer (94).
J 36850 or
Oil Pump Cover
J 36850 or
F ig u re 9 1
| ^ | Assemble
1. Pressure relief ball (228), spring (229) and rivet
(227).
2. Inner (225) and outer (226) converter clutch
valve springs into the converter clutch valve
bore.
3. Converter clutch valve (224).
4. Stop valve (223).
5. Retaining ring (222).
6. Pressure regulator valve (216) into the pressure
regulator bore.
7. Pressure regulator valve spring (217).
• Use J 25016.
Figure 93 Slide Back Up and Slide Seal