Chevrolet 1988 Light Duty Truck Repair Manual page 375

72. Crankshaft Rear Bearing
86. Crankshaft Bearings
88. Crankshaft
124. Main Bearing Cap
125. Bolt
126. Rear Main Bearing Cap
Figure 39— Crankshaft and Bearing Com ponents
B. Feeler Gage
88
C rankshaft
.
126. Rear Main Bearing Cap
Figure 40 — Measuring Crankshaft End Play
2.5 LITER L4 ENGINE 6A1-23
A. A lig n m e n t H ole in C rankshaft
B. D ust Lip
C. Dowel Pin
D. C o lla r
E. M andrel
F. Screws
71. C rankshaft Rear Oil Seal
Figure 41— Installing the Rear Crankshaft Oil Seal
bearing cap, foreign m atter between the insert and
the block or the bearing cap, or a faulty insert could
cause a lack of clearance at the bearing.
CRANKSHAFT REAR OIL
F-01994
SEAL INSTALLATION
Install or C o n n ec t (F ig u res 5 and 41)
Tool Required:
J 34924-A Seal Installer
Crankshaft rear oil seal using J 34924.
1. Lubricate the seal inside diam eter with engine
oil.
2. Slide the seal over the mandrel of the tool,
until the dust lip (back of seal), mates squarely
against the collar.
3. L u b ric a te the seal o u ts id e d ia m e te r w ith
engine oil.
4. Position the tool with the seal in place against
th e cra n k s h a ft. A lig n the dow el w ith the
alignm ent hole in the crankshaft. Tighten the
screws firmly.
5. Turn the T-handle of the tool until the collar
F-02028
seats firm ly against the crankcase. This will
insure that the seal is seated properly.
6. Loosen the T-handle fully. Loosen the screws
and remove the tool.
F-02029