Flywheel Removal; Rear Crankshaft Oil Seal Removal; Rear Crankshaft Oil Seal Retainer Removal; Crankshaft Removal - Chevrolet 1988 Light Duty Truck Repair Manual

A. G u ide Rod
B. Thread P ro te cto r
Figure 10— Replacing the Piston and Connecting
Rod (Typical)

FLYWHEEL REMOVAL

R em o ve or D isco nn ect
1. Flywheel bolts.
2. Flywheel.
REAR CRANKSHAFT OIL
SEAL REMOVAL
R em ove or D isco nn ect
NOTICE: Care s h o u ld be taken w hen re m o v in g
the rear cra n k s h a ft o il seal so as n o t to n ic k the
cra n k s h a ft sea lin g surface.
• Rear crankshaft oil seal. Insert a screwdriver into
the notches provided in the seal retainer and pry the
seal out (figure 11).
REAR CRANKSHAFT OIL SEAL
RETAINER REMOVAL
0
R em o ve or D isco nn ect (F ig u re 12)
1. Screws (81).
2. Seal retainer (82).
3. Gasket (84).

CRANKSHAFT REMOVAL

|+ + | R em ove or D isco n n ect
• Check the main bearing clearance before removing
the crankshaft. Refer to " C rankshaft and Main
Bearing Installation" later in this section.
B-05269
• The main bearings and rear oil seal can be replaced
w ithout removing the crankshaft as outlined later in
this section.
1. Main bearing cap bolts.
2. Main bearing caps.
3. Crankshaft from the cylinder block.
• Lift the crankshaft straight up, taking care to
avoid dam age to the crankshaft journals and
thrust flange surfaces.
A. Rear o f B lo ck
80. Screw
81. Nut
82. R etainer
83. Stud
84. G asket
Figure 12— Rear Crankshaft Oil Seal Retainer
4.3 LITER V
-6
^
83 84
Installation
6A3-9