944168306c756cad1bfe84fea0ed3d3a700cfce5cd2200aec7df5efb7240e846

nsxb09004a.pdf

Exhaust Manifold
Replacement
NOTE: Use new gaskets and self-locking nuts.
FRONT PRIMARY
HEATED OXYGEN SENSOR
(HO2S)
45 N-m (4.5 kg-m, 33 Ib-ft)
• Be careful not to damage.
• Use the special tool when
removing and installing.
8 x 1.25 mm
22 N-m (2.2 kg-m,
16 Ib-ft)
REAR PRIMARY
HO2S
45 N-m (4.5 kg-m,
33 Ib-ft)
• Be careful not to damage.
• Use the special tool when
removing and installing.
6 x 10 mm
12 N-m (1.2 kg-m,
9 Ib-ft)
SELF-LOCKING
NUT
8 x 1.25 mm
34 N-m (3.4 kg-m,
25 Ib-ft)
Apply oil to the
nut threads.
Replace.
FRONT EXHAUST MANIFOLD
8 x 1.25 mm
22 N-m (2.2 kg-m,
16 Ib-ft)
EXHAUST MANIFOLD
COVER
EXHAUST
MANIFOLD
COVERS
8 x 1.25 mm
22 N-m (2.2 kg-m,
16 Ib-ft)
GASKET
Replace.
REAR EXHAUST MANIFOLD
SELF-LOCKING NUTS
8 x 1.25 mm
34 N-m (3.4 kg-m,
25 Ib-ft)
Apply oil to the
nut threads.
Replace.
6 x 1.0 mm
12 N-m (1.2 kg-m,
9 Ib-ft)
GASKET
Replace.

Attachments

f6efe965a719d1e3c01880d8ec644aedfb8dd4460107398a6645ff15e0872325

nsxd09002a.pdf

Intake Manifold
Illustrated Index
NOTE: Use new O-ring, gaskets and self-locking nuts.
INSTALL PIPE 6 x 1.0 mm12 N.m (1.2 kg-m,
9 Ib-ft)
6 x 1.0 mm
12 N.m (1.2 kg-m,
9 Ib-ft)
IGNITION CONTROL
MODULE (ICM)
5 x 10 mm
6 N·m (0.6 kg-m, 4 Ib-ft)
INTAKE AIR TEMPERATURE
(IAT) SENSOR
6 x 1.0 mm
12 N·m (1.2 kg-m,
9 Ib-ft)
THROTTLE BODY
8 x 1.25 mm
22 N·m (2.2 kg-m,
16 Ib-ft)
8 x 1.25 mm
22 N·m (2.2 kg-m,
16 Ib-ft)
6 x 1.0 mm
12 N·m (1.2 kg-m,
9 Ib-ft)
GASKETS
Replace.
WASHER
(10 pieces).
Replace.
EGR PIPE
GASKET
Replace.
GASKETS
Replace.
INSULATOR
COVER PLATE
TOP COVER
6 x 1.0 mm
12 N·m (1.2 kg-m, 9 Ib-ft)
EXHAUST GAS
RECIRCUIATION (EGR)
PORT
8 x 1.25 mm
22 N·m (2.2 kg-m
16 Ib-ft)
GASKET
Replace.
INTAKE MANIFOLD
Replace if cracked or
if mating surfaces are
damaged.
IDLE AIR CONTROL
(IAC) VALVE
O-RINGS
Replace.
O-RING
Replace.
8 x 1.25 mm
22 N·m (2.2 kg-m, 16 Ib-ft)
6 x 1.0 mm
12 N·m (1.2 kg-m,
9 Ib-ft)
FAST IDLE THERMO VALVE
INTAKE AIR BYPASS (IAB)
VALVE BODY
INTAKE MANIFOLD
CHAMBER
8 x 1.25 mm
22 N.m (2.2 kg-m, 16 Ib-ft)

Attachments

88335a8b7ef31379c38fe03ad34d8d58fbe8763c2a1188d8129672d249b90d0b

nsxb09005a.pdf

Exhaust Pipe and Muffler
Replacement
NOTE: Use new gaskets and self-locking nuts when reassembling.
GASKETS
Replace.
JOINT PIPE
REAR SECONDARY
HO2S
45 N-m (4.5 kg-m, 33 Ib-ft)
• Be careful not to
damage.
• Use the special tool
for removal and
installation.
SELF-LOCKING NUTS
10 x 1.25 mm
34 N-m (3.4 kg-m, 25 Ib-ft)
Replace.
MUFFLER
SELF-LOCKING NUT
8 x 1.25 mm
22 N-m (2.2 kg-m,
16 Ib-ft)
Replace.
Tighten the flange nuts
in steps, alternating
side-to-side.
THREE WAY CATALYTIC
CONVERTERS (TWCs)
Inspect as shown
below.
GASKETS
Replace.
FRONT EXHAUST-
PIPE A
FRONT SECONDARY
HO2S
45 N-m (4.5 kg-m, 33 Ib-ft)
• Be careful not to
damage.
• Use the special tool
for removal and
installation.
JOINT
PIPE
SELF-LOCKING NUTS
10 x 1.25 mm
55 N-m (5.5 kg-m, 40 Ib-ft)
Replace.
SELF-LOCKING NUTS
8 x 1.25 mm
22 N-m (2.2 kg-m, 16 Ib-ft)
Replace.
Tighten the flange nuts in steps,
alternating side-to-side.
GASKETS
Replace.
SELF-LOCKING NUT
8 x 1.25 mm
22 N-m (2.2 kg-m, 16 Ib-ft)
Replace.
Tighten the flange nuts in steps,
alternating side-to-side.
6 x 1.0 mm
10 N-m (1.0 kg-m, 7 Ib-ft)
TWC Inspection:
Using a flashlight, make a visual check for plugging, melting
or cracking of the catalyst.
TWC
FLASHLIGHT
REAR EXHAUST
PIPE A
GASKET
Replace.
GASKET
Replace.

Attachments

cbc67ee079030911ec35d6c3b400d5ad3fed98671fdd6018951371efcc6927a3

nsxd09004a.pdf

Exhaust Pipe and Muffler
Illustrated Index
NOTE: Use new gaskets and self-locking nuts.
6 x 1.0 mm
10 N·m (1.0 kg-m,
7 Ib-ft)
GASKET
Replace.
REAR THREE WAY
CATALYTIC
CONVERTER
6 x 1.0 mm
10 N·m (1.0 kg-m,
7 Ib-ft)
GASKET
Replace.
TO REAR EXHAUST
MANIFOLD
GASKET
Replace.
EXHAUST PIPE
REAR
TO FRONT EXHAUST
MANIFOLD
GASKET
Replace.
SELF-LOCKING NUT
10 x 1.25 mm
55 N·m (5.5 kg-m, 40 Ib-ft)
Replace.
: CORROSION RESISTANT BOLT
FRONT
EXHAUST PIPE
MUFFLER
SELF-LOCKING NUT
10 x 1.5 mm
34 N·m (3.4 kg-m, 25 Ib-ft)
Replace.
6 x 1.0 mm
10 N·m (1.0 kg-m, 7 Ib-ft)
FRONT THREE WAY CATALYTIC
CONVERTER
GASKET
Replace.
SELF-LOCKING NUT
10 x 1.25 mm
34 N·m (3.4 kg-m,
25 Ib-ft)
Replace.
ENGINE MOUNT
REAR BEAM
BRACKET
RUBBER MOUNT
GASKET
Replace.
SELF-LOCKING NUT
10 x 1.25 mm
34 N·m (3.4 kg-m, 25 Ib-ft)
Replace.
8 x 1.25 mm
22 N·m (2.2 kg-m,
16 Ib-ft)

Attachments

7368f838e357bff0f8cc1f729b1ab735fbfaef3217ac93fc6fb4bf52bc5d0e83

nsxb09003a.pdf

Intake Manifold
Replacement
NOTE: Use new O-rings and gaskets when reassembling.
CAUTION:
• Check for folds or scratches on the surface of the gasket.
• Replace with a new gasket if damaged.
6 x 1.0 mm
12 N-m (1.2 kg-m, 9 Ib-ft)
5 x 1.0 mm
8 N-m (0.8 kg-m, 6 Ib-ft)
INTAKE AIR TEMPERATURE
(IAT) SENSOR
6 x 1.0 mm
12 N-m (1.2 kg-m
9 Ib-ft)
IGNITION CONTROL-
MODULE (ICM)
6 x 1.0 mm
12 N-m (1.2 kg-m,
9 Ib-ft)
8 x 1.25 mm
22 N-m (2.2 kg-m,
16 Ib-ft)
THROTTLE
BODY
INTAKE MANIFOLD
PLATE
TOP COVER
6 x 1.0 mm
.12 N-m (1.2 kg-m, 9 Ib-ft)
EXHAUST GAS RECIRCULATION
(EGR) PORT
8 x 1.25 mm
22 N-m (2.2 kg-m, 16 Ib-ft)
INTAKE MANIFOLD
Replace if cracked or
if mating surfaces are
damaged.
8 x 1.25 mm
22 N-m (2.2 kg-m,
16 Ib-ft)
INTAKE AIR BYPASS (IAB)
VALVE BODY
INTAKE MANIFOLD
CHAMBER
8 x 1.25 mm
22 N-m (2.2 kg-m, 16 Ib-ft)
EGR PIPE
GASKETS
Replace.
6 x 1.0 mm
12 N-m (1.2 kg-m,
9 Ib-ft)
INSULATOR
WASHER
Replace.
GASKET
Replace.
GASKET
Replace.
GASKET
Replace.

Attachments

f758ffafa5415cd9543cbd3114bd676d52ad83e6aa4bad86c9c60573c5a12739

nsxb09002a.pdf

Special Tools
Ref. No. Tool Number Description Qty Page Reference
9-4(’91-’93) or (’94-’96),
5 (’94-’96),
O 2 Sensor Socket Wrench07LAA – PT50101 1
Main Menu Table of Contents
Special Tools
Ref, N0. | Tool Number I Description Qty Page Reference
(D I 07LAA — PT50101 ì 02 Sensor Socket Wrench l 94(‘91—93) or (’94—’96),
5 (’94-’96),
9—2
fl-

Attachments

95ee1cc11312dcea73d8435f9c19e73f9168325216b4b831763f25de5852003f

nsxd09003a.pdf

Exhaust Manifold
Illustrated Index
NOTE: Use new gaskets and self-locking nuts.
HEATED
OXYGEN SENSOR
45 N·m (4.5 kg-m,
33 Ib-ft)
Be careful not to damage.8 x 1.25 mm
22 N·m (2.2 kg-m,
16 Ib-ft)
6 x 1.0 mm
12 N·m (1.2 kg-m,
9 Ib-ft)
EXHAUST
MANIFOLD
COVERS
8 x 1.25 mm
22 N·m (2.2 kg-m,
16 Ib-ft)
SELF-LOCKING NUTS
8 x 1.25 mm
34 N·m (3.4 kg-m,
25 Ib-ft)
Apply oil to the
nut threads.
Replace.
REAR EXHAUST MANIFOLD
GASKET
Replace.
SELF-LOCKING
NUT
8 x 1.25 mm
34 N·m (3.4 kg-m,
25 Ib-ft)
Apply oil to the
nut threads.
Replace. EXHAUST MANIFOLD
COVER
HEATED OXYGEN SENSOR
45 N·m (4.5 kg-m, 33 Ib-ft)
Be careful not to damage.
GASKET
Replace.
6 x 10 mm
12 N·m (1.2 kg-m,
9 Ib-ft)
FRONT EXHAUST MANIFOLD
8 x 1.25 mm
22 N·m (2.2 kg-m,
16 Ib-ft)

Attachments