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:
Measurement of weights
Secure loose items to prevent weight
shifts that could affect the balance of your
vehicle. When the vehicle is loaded, drive
to a scale and weigh the front and the rear
wheels separately to determine axle
loads. Individual axle loads should not exceed
either of the gross axle weight ratings
( ...
Overdrive control switch
Component Function Check
1.CHECK SPORT INDICATOR LAMP FUNCTION
Check OD OFF indicator lamp turns ON for approx. 2 seconds when ignition
switch turns ON.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Go to TM-239, "Diagnosis Procedure".
2.CHECK SPORT MODE SW ...
Precaution
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 ...
© 2014-2025 Copyright www.nisentra.com