Silencer Heat Shield Removal (3.0L); Exhaust Manifold Removal (3.0L); Rear Bracket And Insulator Assembly Installation (3.0L); Exhaust Manifold Installation (3.0L) - Mazda B-Series 1997 Workshop Manual

F2
EXHAUST SYSTEM
Silencer heat shield
1. Remove the band strap.
2. Remove the two screws and washer assembly which
attach the heat shield to the rear of the silencer.
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Exhaust manifold
1.
Remove the spark plugs.
2. If removing the left exhaust manifold, remove the oil level
dipstick tube retaining nut and rotate the tube out of the
way. Remove the EGR pipe from the exhaust manifold.
3. Remove the exhaust manifold retaining bolts and studs.
4. Remove the exhaust manifold from the vehicle.
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Installation Note
Rear bracket and insulator assembly
1. Position the bracket and insulator assembly on frame.
2. Attach the bracket and insulator assembly with a nut and
bolt.
Tightening torque:
68-94 N-m ( 6 . 9 - 9 . 6 kgfem, 50-70 ft.lbf}
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Silencer heat shield
1. Position the heat shield under the silencer body.
2. Install two screws to the rear of the silencer.
Tightening torque:
16-23
N.m
( 1 . 6 - 2 . 3
kgf,m,
12-17
ft-lbf)
3. Start the band strap and tighten.
Tightening torque:
2 N-m (20 kgfecm, 18 in-lbf)
Exhaust manifold
1. Clean the mating surfaces of the exhaust manifold and
cylinder head.
2. Position the manifold in place and tighten the bolts and
studs.
Tightening torque:
20-30 N.m ( 2 . 0 - 3 . 0 kgfem, 15-22 ft-lbf)
3. If installing the left exhaust manifold, rotate the oil level
dipstick tube to the exhaust manifold stud and install the
retaining nut.
Tightening torque:
18
N-m
{ I
.8 kgfam,
13
ft.lbf}
4.
If installing the left exhaust manifold, install the EGR pipe
to the manifold.
5. Install the spark plugs.
Tightening torque:
1 1
N.m
(1.1
kgf-m,
8
ft-lbf}