Valve Body Assembly - Pontiac FIREBIRD 1972 Service Manual

7F-36 1972 PONTIAC SERVICE MANUAL
Fig. 7F-6 1 Exploded View of Governor
1. Valve-To-Shaft Snap Ring
2. Governor Valve
3. Governor Shaft
4 . Urethane Washer
5. Governor Body
6 . Governor Outer Weight
7. Governor Spring
8. Governor lnner Weight
9. lnner Weight Retainer Snap Ring
10. Outer Weight Retainer Snap Ring
11. Body-To-Hub Bolts and Lock Washers
12. Body-To-Hub Gasket
13. Governor Hub Drive Screw
14. Governor Hub
15. Hub Oil Seal Rings
16. Governor Shaft Retainer "E" Clip
3. Remove four (4) body-to-hub bolts and lock washers
and separate body and gasket from the hub.
2. Reassemble inner weight and its spring in outer
weight, retain with its snap ring and install outer
weight assembly into governor body bore, retaining
it with its large snap ring.
3. Slide governor hub into place on the output shaft and
lock it in place with the hub drive screw.
4. Install gasket and governor body over output shaft
against hub, install governor shaft and valve, line up
governor body properly with hub, install four (4)
body-to-hub bolts and lock washers and torque to 7
lb. ft.
5. Check governor weight assembly for free fit in gover-
nor body. If weight sticks or binds, loosen body-to-
hub bolts and retorque.
6. Loosen hub drive screw, remove governor shaft and
valve from body and remove governor assembly from
output shaft.
GOVERNOR SUPPORT ASSEMBLY
INSPECT
1. Wash support thoroughly in cleaning solvent and air
dry.
2. Inspect for nicks, bums or other damage.
3. Inspect governor support bushing for wear or dam-
age. To replace bushing, proceed as follows:
a. Using Drive Handle J 8092 and Bushing Tool J
23465 from rear of support, drive bushing out.
b. Using Tool J 23465, press or drive new bushing
in from front of support.
4. Remove two (2) oil seal rings from the hub.
VALVE BODY ASSEMBLY
INSPECT
1. Clean all parts thoroughly in cleaning solvent and air
dry.
2. Check condition of all component parts of governor
assembly and replace any bent, damaged or scored
parts; body and hub must be replaced as a unit.
ASSEMBLE
1. Install oil seal rings onto governor hub.
DISASSEMBLE (Fig. 7F-62)
1. Remove roller spring and "E" clip from range selec-
tor detent lever and remove detent lever from side of
valve body assembly.
2. Remove fifteen (15) lower-to-upper valve body bolts
and spring retainer and carefully separate lower valve
body, transfer plate and two (2) gaskets from upper
valve body. Discard gaskets.
3. Noting its location for reassembly, remove filter from
face of upper valve body.
4. From upper valve body, remove throttle, detent and
downshift timing valves as follows: