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:
NISSAN Intelligent Key® (if so equipped)
WARNING
Radio waves could adversely affect
electric medical equipment. Those who
use a pacemaker should contact the
electric medical equipment manufacturer
for the possible influences before
use.
The Intelligent Key transmits radio
waves when the buttons are pr ...
On Board Diagnostic (OBD) System of Engine and CVT
The ECM has an on board diagnostic system. It will light up the malfunction
indicator lamp (MIL) to warn the
driver of a malfunction causing emission deterioration.
CAUTION:
Be sure to turn the ignition switch OFF and disconnect the
negative battery cable before any repair
or inspection ...
Symptom diagnosis
The sport mode indicator lamp does not turn on
Description
The sport mode indicator lamp does not turn on when the sport mode switch is
operated.
Diagnosis procedure
1.Perform combination meter on board diagnosis
Perform combination meter on board diagnosis. Refer to mwi-16, "descriptio ...
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