Nissan Sentra Service Manual: Exhaust manifold
Exploded View
CALIFORNIA

- Air fuel ratio sensor
- Exhaust manifold heat shield (upper)
- Exhaust manifold and three way catalyst
- Exhaust manifold heat shield (rear)
- Exhaust manifold heat shield (front)
- Exhaust manifold gasket
- Cylinder head
EXCEPT CALIFORNIA

- Air fuel ratio sensor
- Bracket
- Exhaust manifold
- Exhaust manifold gasket
- Cylinder head
- Exhaust manifold heat shield
Removal and Installation
REMOVAL
- Remove the cowl top. Refer to EXT-25, "Exploded View".
- Remove front exhaust tube. Refer to EX-5, "Exploded View".
- Disconnect air fuel ratio sensor harness connector and remove air fuel
ratio sensor if necessary.
- Remove exhaust manifold cover.
- Remove exhaust manifold.
- Loosen nuts in reverse order as shown.
NOTE:
Disregard the numerical order No. 6-8 in removal.

- Remove exhaust manifold gasket.
CAUTION:
Cover engine openings to avoid entry of foreign materials.
INSTALLATION
- Install exhaust manifold gasket (1) to cylinder head as shown.
CAUTION:
Do not reuse exhaust manifold gasket (1).

- Install exhaust manifold with the following procedure:
- Tighten nuts in numerical order as shown.
NOTE:
- Tighten nuts the No.1-3 in two steps.
- The numerical order No.6-8 shows the second step.

- Installation of remaining components is in the reverse order of removal.
Inspection
INSPECTION AFTER REMOVAL
Surface Distortion
- Using feeler gauge (A) and straightedge (B), check the surface
distortion
of exhaust manifold mating surface in each exhaust port
and entire part.
Limit : Refer to EM-119, "Exhaust Manifold".
- If it exceeds the limit, replace exhaust manifold.

Exploded View
Clamp
PCV hose
Bracket
Intake manifold gasket
Intake manifold
Mount rubber
Clamp
EVAP hose
EVAP canister purge volume
control solenoid valve
Electric throttl ...
Exploded View
O-ring
Oil pan (upper)
Oil level gauge guide
O-ring
Oil level gauge
Oil pump drive chain
Crankshaft sprocket
Oil pump sprocket
Oil pump chain tensioner
Oil pump
...
Other materials:
Precautions
Precaution for supplemental restraint system (srs) "air bag" and "seat belt
pre-tensioner"
The supplemental restraint system such as “air bag” and “seat belt pre-tensioner”,
used along
with a front seat belt, helps to reduce the risk or severity of injur ...
Front disc brake
BRAKE PAD
BRAKE PAD : Inspection
PAD WEAR
Check brake pad thickness from an inspection hole on caliper body.
Check using a scale if necessary
Wear limit thickness : Refer to BR-55, "Front Disc
Brake".
DISC ROTOR
DISC ROTOR : Inspection
APPEARANCE
Check surface of disc rotor ...
Air fresheners
Most air fresheners use a solvent that could affect
the vehicle interior. If you use an air freshener,
take the following precautions:
Hanging-type air fresheners can cause permanent
discoloration when they contact vehicle
interior surfaces. Place the air freshener
in a location that all ...
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