Nissan Qashqai (2007-2010). Manual — part 50

EM-148

< ON-VEHICLE REPAIR >

[MR20DE]

INTAKE MANIFOLD

a.

Tighten in numerical order as shown in the figure.

b.

Tighten intake manifold (1) mounting bolt (A). Then tighten
intake manifold mounting bolt (B).

Electric Throttle Control Actuator

• Tighten bolts of electric throttle control actuator equally and diagonally in several steps.
• Perform “Throttle Valve Closed Position Learning” after repair when removing harness connector of the elec-

tric throttle control actuator. Refer to

EC-647, "THROTTLE VALVE CLOSED POSITION LEARNING :

Description"

.

• Perform “Throttle Valve Closed Position Learning” and “Idle Air Volume Learning” after repair when replacing

electric throttle control actuator. Refer to

EC-647, "THROTTLE VALVE CLOSED POSITION LEARNING :

Description"

and

EC-647, "IDLE AIR VOLUME LEARNING : Description"

.

: Engine front

PBIC3527J

: Engine front

PBIC3939E

EXHAUST MANIFOLD

EM-149

< ON-VEHICLE REPAIR >

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EXHAUST MANIFOLD

Exploded View

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Removal and Installation

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REMOVAL

1.

Remove exhaust front tube. Refer to

EX-10, "Exploded View"

.

2.

Remove exhaust manifold cover.

3.

Remove the heated oxygen sensor 1.
• Using heated oxygen sensor wrench [SST: KV10117100], remove heated oxygen sensor 1.

CAUTION:

Handle heated oxygen sensor 1 carefully and avoid impacts.
NOTE:
The exhaust manifold can be removed and installed without removing the heated oxygen sensor 1 (Disas-
sembly of harness connector is necessary)

4.

Remove drive shaft (RH) and drive shaft support bearing bracket. Refer to

EX-10, "Exploded View"

.

5.

Remove exhaust manifold stay.

6.

Remove exhaust manifold.

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1.

Harness bracket

2.

Stud bolt

3.

Gasket

4.

Exhaust manifold

5.

Heated oxygen sensor 1

6.

Exhaust manifold cover

7.

Exhaust manifold stay (2WD models)

8.

Exhaust manifold stay (4WD models)

: Engine front

Refer to

GI-4, "Components"

for symbols in the figure.

EM-150

< ON-VEHICLE REPAIR >

[MR20DE]

EXHAUST MANIFOLD

• Loosen nuts in reverse order as shown in the figure

7.

Remove gasket.

CAUTION:

Cover engine openings to avoid entry of foreign materials.

INSTALLATION

1.

Install gasket to cylinder head as shown in the figure.

2.

Install exhaust manifold with the following procedure:

a.

Tighten nuts in numerical order as shown in the figure.

b.

Tighten nuts in numerical order as shown in the figure again.

c.

Install exhaust manifold stay (2) in the direction as shown in the
figure.

NOTE:
This figure shows 2WD models as an example.

3.

Install remaining parts in the reverse order of removal.

Inspection

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INSPECTION AFTER REMOVAL

: Engine front

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: Engine front

PBIC3943E

: Engine front

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: Exhaust manifold

A

: Upper mark

: Engine front

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EXHAUST MANIFOLD

EM-151

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Surface Distortion

• Using straightedge (B) and feeler gauge (A), check the surface dis-

tortion of exhaust manifold mating surface in each exhaust port
and entire part.

• If it exceeds the limit, replace exhaust manifold.

Limit

: Refer to

EM-236, "Exhaust Manifold"

.

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