Chevrolet 1988 Light Duty Truck Repair Manual page 363

89. Key
94. B olt
95. C rankshaft Pulley
96. B olt
97. C rankshaft and Power Steering Pulley
98. B olt
99. W asher
100. C rankshaft Pulley Hub
OIL PAN REMOVAL
R em o ve or D isco n n ect (F ig u re 5)
1. Bolts (75).
2. Oil pan (76).
• If the rocker arm cover adheres to the block,
try to shear the sealant from the block by
bum ping the end of the oil pan with a rubber
m a lle t. If the co ve r w ill not com e loose,
carefully pry until loose. DO NOT DISTORT
THE SEALING FLANGE.
OIL PUMP DRIVESHAFT
REMOVAL
+-► R em o ve o r D isco nn ect (F ig u res 5 and 15)
1. Bolts (117).
2. Plate (118).
3. Bearing (113).
4. Shaft and gear assembly (115 and 114).
OIL PUMP REMOVAL
R em ove or D isco nn ect (F ig u re 5)
1. Bolts (84) and nut (78) at oil screen bracket.
2. Oil pum p (77).
FRONT COVER REMOVAL
R em o ve or D isco n n ect (F ig u re s 5 and 14)
1. Tim ing gear cover bolts (94).
2. Tim ing gear cover (102).
• If the tim ing gear cover adheres to the cylinder
head, carefully pry it loose. DO NOT DISTORT
THE SEALING FLANGE.
95
Figure 14—Tim ing Gear Cover and Com ponents
2.5 LITER L4 ENGINE 6A1-11
PISTON AND CONNECTING ROD
REMOVAL
R em ove or D isco n n e c t (F ig u res 5, 16 and 17)
1. Ridge (or deposits) at the top of the cylinder as
follows:
• Turn the crankshaft until one piston is at the
bottom of its stroke. Place a soft cloth on top of
the piston.
113. B e a rin g
114. G ear
115. S h a ft
117. B o lt
118. P late
Figure 15— Oil Pump Drive Shaft
F-01992
F-05716