Pontiac FIREBIRD 1972 Service Manual page 595

V-8 ENGINE 6-83
- - --
Fig. 6 - 1 4 0 Oil Pump
-
Exploded View ( 3 0 7 Engine)
REAR M A I N BEARING OIL SEAL
REMOVE
1. Remove oil pan (see OIL PAN
-
REMOVE A N D
REPLACE).
2. Remove oil pump and baffle.
3. Remove rear main bearing cap.
4. Upper Seal
-
All Except 307 Engine.
a. Use tool shown in Fig. 6- 141 made from brass bar
stock to pack upper seal as follows:
b. Insert tool against one end of the oil seal in the
cylinder block and drive the seal gently into the
groove until the tool bottoms.
c. Remove the tool and repeat at the other end of the
seal in the cylinder block.
d. Clean the block and bearing cap parting line
thoroughly.
e. Form a new seal in the cap (Fig. 6-142).
f. Remove the newly formed seal from the cap and
cut four (4) pieces approximately 3/8" long from
this seal.
g. Work two 3/8" pieces into each of the gaps which
have been made at the end of the seal in the
cylinder block. Without cutting off the ends,
work these seal pieces in until flush with the part-
ing line and until no fibers are protruding over the
metal adjacent to the groove.
NOTE:
350 AND 400
BREAK ALL SHARP CORNERS
f
b -
8 APPROX.
- 1
428
Fig. 6 - 1 4 1 Upper Rear Main Bearing Seal Tool
h. Form another new seal in the cap (Fig. 6-142).
i. Assemble the cap to the block and tighten to 120
lb. ft.
Fig. 6 - 1 4 2 Forming New Seal in Cap