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:
Front wiper motor ground circuit
Diagnosis procedure
Regarding Wiring Diagram information, refer to WW-24, "Wiring Diagram - With
Intelligent Key" or WW-29,
"Wiring Diagram - Without Intelligent Key".
1.Check front wiper motor (gnd) open circuit
Turn the ignition switch OFF.
Disconnect front wiper mot ...
Rear window defogger power supply and ground circuit
Description
Heats the heating wire with the power supply from the rear window defogger
relay to prevent the rear window
from fogging up.
Component function check
1. Check rear window defogger
Check that the heating wire of rear window defogger is heated when turning
the rear window defogge ...
Component parts
Component Parts Location
BCM (view under instrument panel
on the left side of the vehicle)
Front power window motor LH (RH
similar) (view with front door finisher
removed)
Rear power window motor LH (RH
similar) (view with rear door finisher
removed)
Main power window and do ...
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