Nissan Pathfinder (2007 year). Manual — part 232
ENGINE ROOM COVER
EM-13
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2007 Pathfinder
ENGINE ROOM COVER
PFP:14049
Removal and Installation
EBS00QBJ
REMOVAL
1.
Remove bolts using power tool.
2.
Lift up on engine cover firmly to dislodge snap fit mounts.
CAUTION:
Do not damage or scratch cover when installing or remov-
ing.
INSTALLATION
Installation is in the reverse order of removal.
WBIA0622E
EM-14
DRIVE BELTS
2007 Pathfinder
DRIVE BELTS
PFP:02117
Checking Drive Belts
EBS00QBK
WARNING:
Be sure to perform when the engine is stopped.
1.
Remove air duct and resonator assembly (inlet) when inspecting drive belt. Refer to
2.
Visually check entire belt for wear, damage or cracks.
Tension Adjustment
EBS00QBL
Belt tensioning is not necessary, as it is automatically adjusted by auto tensioner.
Removal and Installation
EBS00QBM
DRIVE BELT
Removal
1.
Remove air duct and resonator assembly (inlet). Refer to
.
2.
Rotate the drive belt auto tensioner in the direction of arrow
(loosening direction of tensioner) as shown, using suitable tool.
CAUTION:
Avoid placing hand in a location where pinching may occur
if the tool accidentally comes off.
3.
Remove the drive belt.
LBIA0427E
1.
Drive belt
2.
Power steering oil pump pulley
3.
Generator pulley
4.
Crankshaft pulley
5.
A/C compressor
6.
Cooling fan pulley
7.
Idler pulley
8.
Drive belt tensioner
LBIA0428E
DRIVE BELTS
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INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Make sure belt is securely installed around all pulleys.
Drive Belt Auto Tensioner and Idler Pulley
EBS00QBN
REMOVAL
1.
Remove air duct and resonator assembly (inlet). Refer to
2.
Remove drive belt. Refer to
3.
Remove radiator cooling fan assembly. Refer to
4.
Remove auto tensioner and idler pulley using power tool.
INSTALLATION
Installation is in the reverse order of removal.
LBIA0429E
1.
Idler pulley
2.
Drive belt auto tensioner
EM-16
AIR CLEANER AND AIR DUCT
2007 Pathfinder
AIR CLEANER AND AIR DUCT
PFP:16500
Removal and Installation
EBS00QBO
REMOVAL
1.
Disconnect harness connector from mass air flow sensor.
2.
Disconnect PCV hose.
3.
Remove air cleaner case/mass air flow sensor assembly and air duct assembly disconnecting their joints.
●
Add marks as necessary for easier installation.
CAUTION:
Handle mass air flow sensor with care.
●
Do not shock it.
●
Do not disassemble it.
●
Do not touch its sensor.
INSPECTION AFTER REMOVAL
Inspect air duct for crack or tear.
●
If anything found, replace air duct.
INSTALLATION
Installation is in the reverse order of removal.
●
Align marks. Attach each joint. Screw clamps firmly.
Changing Air Cleaner Filter
EBS00QBP
REMOVAL
1.
Unhook clips, and lift air cleaner case (upper).
2.
Remove air cleaner filter.
INSTALLATION
Installation is in the reverse order of removal.
1.
Air duct and resonator
2.
Air cleaner case (upper)
3.
Air cleaner filter
4.
Air cleaner case (lower)
WBIA0623E
INTAKE MANIFOLD COLLECTOR
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2007 Pathfinder
INTAKE MANIFOLD COLLECTOR
PFP:14003
Removal and Installation
EBS00QBQ
1.
Vacuum tank
2.
VIAS control solenoid valve
3.
Vacuum hose
4.
Intake manifold collector support
5.
Water hose
6.
Electric throttle control actuator
7.
Water hose
8.
EVAP hose
9.
Bracket
10. EVAP hose
11.
EVAP canister purge volume control
solenoid valve
12. Gasket
13. Gasket
14. Intake manifold collector
15. Clip
16. PCV hose
17. Connector
18. PCV hose
a.
To intake manifold collector
b.
To power valve
c.
To throttle body
d.
To cylinder head (RH bank)
WBIA0731E
EM-18
INTAKE MANIFOLD COLLECTOR
2007 Pathfinder
REMOVAL
WARNING:
To avoid the danger of being scalded, never drain engine coolant when engine is hot.
1.
Remove engine cover. Refer to
2.
Remove air cleaner case (upper) with mass air flow sensor and air duct assembly. Refer to
3.
Remove electric throttle control actuator as follows:
a.
Drain engine coolant, or when water hoses are disconnected, attach plug to prevent engine coolant leak-
age. Refer to
CO-10, "DRAINING ENGINE COOLANT"
CAUTION:
●
Perform when engine is cold.
●
Do not spill engine coolant on drive belt.
b.
Disconnect water hoses from electric throttle control actuator.
●
When engine coolant is not drained from radiator, attach plug to water hoses to prevent engine coolant
leakage.
c.
Disconnect harness connector.
d.
Loosen bolts in reverse order as shown.
CAUTION:
●
Handle carefully to avoid any shock to electric throttle
control actuator.
●
Do not disassemble.
4.
Remove the following parts:
●
Vacuum hose (to brake booster)
●
PCV hose
5.
Loosen bolts in reverse order as shown to remove intake mani-
fold collector support.
6.
Disconnect EVAP hoses and harness connector from EVAP canister purge volume control solenoid valve.
7.
Remove EVAP canister purge volume control solenoid valve.
8.
Remove VIAS control solenoid valve and vacuum tank.
●
Add mating marks as necessary for easier installation.
PBIC2875E
PBIC2876E
INTAKE MANIFOLD COLLECTOR
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9.
Loosen nuts and bolts in reverse order as shown with power
tool, and remove intake manifold collector.
CAUTION:
Cover engine openings to avoid entry of foreign materials.
INSTALLATION
Installation is in the reverse order of removal. Note the following:
Intake Manifold Collector
●
If stud bolts were removed from intake manifold, install them and tighten to the specified torque.
●
Tighten nuts and bolts in numerical order as shown.
Electric Throttle Control Actuator
●
Tighten bolts in numerical order as shown.
●
Perform the “Throttle Valve Closed Position Learning” when har-
ness connector of electric throttle control actuator is discon-
nected. Refer to
EC-77, "Throttle Valve Closed Position
●
Perform the “Idle Air Volume Learning” and “Throttle Valve
Closed Position Learning” when electric throttle control actuator
is replaced. Refer to
EC-77, "Idle Air Volume Learning"
PBIC2877E
Intake manifold collector
bolts and nuts
: 11.0 N·m (1.1 kg-m, 8 ft-lb)
Stud bolts
: 6.9 N·m (7.0kg-m, 61 in-lb)
PBIC2877E
PBIC2875E
EM-20
INTAKE MANIFOLD
2007 Pathfinder
INTAKE MANIFOLD
PFP:14003
Removal and Installation
EBS00QBR
REMOVAL
1.
Release fuel pressure. Refer to
EC-79, "FUEL PRESSURE RELEASE"
2.
Remove intake manifold collector. Refer to
.
3.
Remove fuel tube and fuel injector assembly. Refer to
4.
Loosen nuts and bolts with power tool in reverse order as shown
to remove intake manifold.
5.
Remove gaskets.
CAUTION:
Cover engine openings to avoid entry of foreign materials.
INSPECTION AFTER REMOVAL
Surface Distortion
●
Check the surface distortion of the intake manifold mating sur-
face with straightedge and feeler gauge.
●
If it exceeds the limit, replace intake manifold.
1.
Intake manifold
2.
Gasket
PBIC2878E
PBIC2879E
Limit
: 0.1 mm (0.004 in)
PBIC0870E
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