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r,
03-01A-31
Engine, 3.8L
03-01A-31
IN-VEHICLE SERVICE (Continued)
7.
Remove exhaust manifold retaining bolts.
Remove exhaust manifold and exhaust manifold
gasket (9448).
8.
If
a new RH exhaust manifold is being installed,
remove EGR valve tube to manifold connector
(9F485). Refer to Section 03-08.
Installation
1 . NOTE: Lightly oil all bolt and stud threads before
installation except those specifying special
sealant.
Clean mating surfaces on exhaust manifold,
cylinder head (6049) and dual converter
Y
pipe
(5F250).
2.
If
removed, install EGR valve tube to manifold
connector into exhaust manifold. Tighten to 46·65
N·m (34-47 1b-ft). Refer to Section 03-08.
3. Position exhaust manifold gasket and exhaust
manifold on cylinder head. Install two new
retaining bolts loosely.
4.
NOTE:
A
slight warpage in the exhaust manifold
may cause a misalignment between the bolt holes
in the cylinder head and exhaust manifold.
Elongate the holes in the exhaust manifold as
necessary to correct the misalignment. Do not
elongate the pilot hole (lower rear bolt hole on No.
2 cylinder).
Start remaining exhaust manifold retaining bolts
loosely.
5. Connect EGR valve to exhaust manifold tube
loosely.
6.
Tighten exhaust manifold retaining bolts and
studs to 30-36 N·m (22-27 lb-ft).
7. Raise vehicle. Refer to Section OQ.02.
8.
NOTE: If a new exhaust manifold is being installed
or a new dual converter
Y
-pipe
to
exhaust
manifold retaining stud is required, install stud
until seated securely on exhaust manifold.
Connect dual converter
Y
pipe to exhaust
manifold. Tighten retaining nuts to 2 1 -32 N·m
( 1 6·23 1b-ft).
9.
Lower vehicle.
10. Install heater inlet tube and heater water hose.
Tighten retaining nut to 20.30 N·m ( 1 5-22 1b-ft).
1 1 . Tighten EGR valve to exhaust manifold tube nut to
34-47 N·m (25-34 1b-ft).
12. Connect ignition wires to spark plugs. Refer to
Section 03-Q7
A.
13. Connect ignition wire to ignition coil.
14. Start engine and check for exhaust leaks.
TIGHTEN IN SEQUENCE
Part
Item
Number
1
6049
2
N80 1648-S
3
N801647-S
4
9430
5
9448
6
90477
7
90475
A
-
B
-
LH
Removal
A2483G-A
Description
Cylinder Head
Stud (4 Req'd)
Bolt (2 Req'd)
Exhaust Manifold
Exhaust Manifold Gasket
EGR Valve to Exhaust
Manifold Tube
EGR Valve
Tighten to 30-36 N·m (23-26
Lb-Ft)
Tighten to 34-47 N·m (25-34
Lb-Ft)
1 . Loosen retaining nut and remove oil level indicator
tube support bracket.
2. Disconnect ignition wires from spark plugs. Refer
to Section 03-Q7
A.
1997 Thunderbird, Cougar July 1996
Содержание Thunderbird
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