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301-350-400 V 8 ENGINE VI CODES Y-P-Z
6A5-13
10. Remove O-ring seal from recess in intake manifold
water recirculation passage.
11. Remove timing chain cover gasket and thoroughly
clean gasket surfaces on block and cover. Use care to prevent
gasket particles and other foreign material from falling into
oil pan.
12. Inspect front oil pan gasket and replace if damaged.
If new gasket is installed, it should be cemented to oil pan.
13. If new fuel pump eccentric and bushing are to be
installed, remove camshaft sprocket retainer bolt and
retaining washer and remove the eccentric and bushing. Place
fuel pump bushing over eccentric with rolled flange toward
camshaft sprocket (Fig. 6A5-27).
Fig. 6A5-27 Fuel Pump Drive
C
A U T I 0 N
:
Bushing retaining flange should be
between eccentric and sprocket for retention of
bushing during operation.
Install bushing and eccentric, indexing tang on eccentric
with hole in camshaft sprocket. Insert retaining screw with
retainer washer and tighten securely.
Replace
1. Position new timing chain cover gasket over studs
against block.
2. Transfer water pump to new timing chain cover if new
cover is to be installed.
3. Install new O-ring seal in water recirculation passage
of intake manifold.
4. Position timing chain cover on engine indexing over
dowels. If mounting studs are removed from the block it will
be necessary to coat threads with Pt
#
1052080 thread sealer
or equivalent. Install bolts and nuts and tighten securely.
5. Install four oil pan to timing chain cover screws and
tighten to 12 lb. ft.
6 . Install harmonic balancer, retainer bolt with retainer,
and tighten to 160 Ib. ft.
7. Connect lower radiator hose to pump inlet.
8. Position pulley and fan on water pump hub and install
attaching bolts. Tighten to 20 lb. ft..
9. Install fan belt and accessory drive belts. Adjust to
proper tension (see Section 6B).
10. Install fuel pump.
11. Refill cooling system and check for leaks.
TIMING CHAIN AND
SPROCKETS
Remove and Replace
1. Remove timing chain cover.
2. Remove fuel pump eccentric and bushing.
3. Align timing marks to simplify proper positioning of
sprockets during reassembly (Fig. 6A5-28).
Fig. 6A5-28 Timing Marks Aligned
at
No. 1 T.D.C,
4. Slide timing chain and sprockets off ends of crankshaft
and camshaft at the same time.
5. Install new timing chain and/or sprockets, making
sure marks on timing sprockets are aligned exactly on a
straight line passing through the shaft centers (Fig. 6A5-28).
Camshaft should extend through sprocket so that hole in fuel
pump eccentric will locate on shaft.
6. Install fuel pump eccentric and bushing, indexing tang
on eccentric with hole in sprocket. Install retainer bolt with
retainer washer and tighten securely.
7. Place timing chain cover gasket over studs and dowels.
NOTE: If studs were removed from block coat threads
with Pt #lo52080 thread sealer or equivalent before
installation.
8. Install timing chain cover, water pump and harmonic
balancer making sure new O-ring seal is in place.
CAMSHAFT AND/OR CAMSHAFT
BEARING
The camshaft and camshaft bearings can be replaced
with engine installed in car or with engine removed and
disassembled for overhaul; however, to replace the rear
camshaft bearing without
removing and completely
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