Table of Contents
Advertisement
7A3-34
1977 PONTIAC SERVICE MANUAL
Fig.
7A3-7
1
Location of Pump Cover Hub Lube Holes
3. Remove intermediate overrun roller clutch assembly
(Fig. 7A3-74).
Fig.
7A3-74
Removing Roller Clutch
4. Remove direct clutch drum to forward clutch housing
needle roller bearing (Fig. 7A3-75).
5. Remove direct clutch pressure plate to clutch drum
retaining ring and pressure plate (Fig. 7A3-76).
6. Remove lined and steel plates from direct clutch
housing (Fig. 7A3-77).
7. Inspect condition of lined and steel plates. Do not
diagnose a lined drive plate by color.
A. Dry lined plates with compressed air and inspect the
lined surfaces for:
1. Pitting and flaking.
2. Wear.
I
Fig.
7A3-72
Removing Clutch Retainer
.LER O U T E R RACE
sl"(
Fig.
7A3-73
Removing Overrun Outer Race
3. Glazing.
4. Cracking.
5. Charring.
6. Chips or metal particles imbedded in lining.
If a lined drive plate exhibits any of the above conditions,
replacement is required.
B. Wipe steel plates dry and check for heat discoloration.
If the surface is smooth and an even color smear is indicated,
the plates should be reused. If severe heat spot discoloration
or surface scuffing is indicated, the plates must be replaced.
8. Remove direct clutch piston return spring seat
retaining ring and spring seat by using Tools J 2590-3, J 2590-
5 and snap ring pliers (Fig. 7A3-78).
9. Remove spring retainer, springs and piston (Fig. 7A3-
79).
10. Inspect the return springs. Evidence of extreme heat
or burning in the area of the clutch may have caused the
springs to take a heat set and would justify replacement of
Advertisement
Table of Contents
