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03-01 8-72
Engine, 4.6L (2V)
03-01 8-72
REMOVAL AND INSTALLATION (Continued)
4. NOTE: Crankshaft main bearing cap adjusting
screws must be bottomed on main bearing caps
prior to installation of main bearing cap.
Install main bearing caps. Tap main bearing caps
with a brass hammer to seat caps properly.
NOTE: ALL MAIN BEARING CAPS
MUST BE TAPPED INTO POSmON
PRIOR TO TIGHTENING. FAILURE
TO
DO SO
MAY RESULT IN
IMPROPER TORQUE.
MAIN BEARING
CAP
5.
Push crankshaft forward using a prybar or similar
tool to seat crankshaft thrust main bearing and
crankshaft thrust washer.
NOTE: PUSH CRANKSHAFT IN DIRECTION
OF ARROW TO FULLY SEAT THRUST
BEARING. LEAVE PRYBAR IN POSmON
UNTIL ALL MAIN BEARING BOLTS ARE
TIGHTENED
A13642-c
6. NOTE: No. 5 main bearing cap must be seated
until the main bearing cap bolts are fully tightened
as described below.
With crankshaft pushed forward, install pry bars
or similar tools to push both RH and
LH
front
edges of No. 5 main bearing cap rearward and
position the lower crankshaft thrust main bearing
rear face properly against the thrust face of the
crankshaft.
7.
CAUTION: Main bearing bolts must be
replaced with new bolts. They are
torque-to-yield designed and cannot be
reused.
Tighten new main bearing cap bolts one through
ten in two steps as follows:
a. Tighten bolts in sequence to 37-43 N·m
(28-31 lb-ft).
b. Rotate bolts in sequence an additional 85-95
degrees.
NOTE: ITEMS 1 THROUGH 10 ARE
MAIN BEARING CAP SOL TS, 1 1
/
FRONT OF
ENGINE
THROUGH 18 ARE CRANKSHAFT MAIN
BEARING CAP ADJUSTING SCREWS, AND
19 THROUGH
26
ARE CRANKSHAFT
MAIN BEARING CAP BOLTS
A 13638-D
8. Tighten crankshaft main bearing cap adjusting
screws 1 1 through 20 in two steps as follows:
a. lighten crankshaft main bearing cap
adjusting screws in sequence to 5 N·m (44
I b-in).
b. lighten crankshaft main bearing cap
adjusting screws in sequence to 9-1 1 N·m
(8Q-97 lb-in).
9. Tighten main bearing cap side bolts 2 1 through
30 in two steps as follows:
a. lighten main bearing cap side bolts in
sequence to 10 N·m (7 1b-ft).
b. lighten main bearing cap side bolts in
sequence to 1 9-23 N·m ( 1 4- 1 7 lb-ft).
1997 Thunderbird, Cougar July 1996
Содержание Thunderbird
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