GMC 1989 Light Duty Truck, Руководство по ремонту, Страница: 519 / 998

V8 ENGINE 6A5-29
A. Rear o f B lo c k
120. G a sket
121. R e ta in e r
122. S crew
123. N u t
124. S tud
124
123
122
F-04497
Figure 56— Rear Crankshaft Oil Seal Retainer
(5.0L and 5.7L Engines)
Tig h ten
• Screws and nuts to 15.3 N m (135 in. lbs.).
4. Rear crankshaft oil seal (figure 57).
• Make sure the crankshaft rear cham fer is free
of grit, loose rust, and burrs. C orrect as
needed.
• Lubricate the inner and outer diameter of the
seal with engine oil.
• Install the seal on J 35621.
• P osition J 35621 a g a in s t th e c ra n k s h a ft.
Thread the attaching screws into the tapped
holes in the crankshaft.
• T ig h te n th e s c re w s s e c u r e ly w ith a
screwdriver. This will ensure that the seal is
installed squarely over the crankshaft.
• Turn the handle until it bottoms.
• Remove J 35621.
Figure 58— Installing the Camshaft
CAMSHAFT, TIMING CHAIN
AND SPROCKET INSTALLATION
“►+ Install or C o nn ect (Fig ures 58 and 59)
• C oat the ca m sh a ft lobes and jo u rn a ls w ith E ngine
Oil S u p p le m e n t (GM part num be r 1051396) or
e quivalent.
1. C am sha ft (figure 58).
Figure 57— Installing the Rear Crankshaft Oil Seal
(5.0L and 5.7L Engines)
B-00515