Infiniti F50. Manual — part 531
ENGINE ROOM COVER
EM-11
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ENGINE ROOM COVER
PFP:14049
Removal and Installation
EBS001ZC
REMOVAL
●
Remove clips on back with clip driver.
CAUTION:
Do not damage or scratch cover when installing or removing.
●
Major parts and inspection points under each cover are as follows; (numbered as in illustration)
1.
Upper side of engine assembly, power steering reservoir tank, cooling fan reservoir tank
2.
Relay
3.
Battery, relay box
4.
Cooling fan fluid cooler, power steering fluid cooling tube
5.
Engine assembly front side, drive belts, cooling fan
6.
Mass air flow sensor, air cleaner case
INSTALLATION
Install in the reverse order of removal.
PBIC0196E
1.
Engine cover
2.
Relay box
3.
Battery cover
4.
Front air guide
5.
Air duct (inlet)
6.
Air cleaner cover
EM-12
DRIVE BELTS
DRIVE BELTS
PFP:02117
Checking Drive Belts
EBS001JT
WARNING:
Be sure to perform when the engine is stopped.
●
Remove air duct (inlet) when inspecting drive belt for alternator, water pump and A/C compressor.
●
Remove engine undercover (with power tool) when inspecting power steering oil pump belt.
●
Make sure that indicator (single line notch) of each auto tensioner is within the allowable working range
(between three line notches).
NOTE:
●
Check the auto tensioner indication when the engine is cold.
●
When the new drive belt is installed, the range should be A.
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The indicator notch is located on the moving side of the auto tensioner for alternator, water pump and
A/C compressor belt, while it is found on the fixed side for power steering oil pump belt.
●
Visually check entire belt for wear, damage or cracks.
●
If the indicator is out of allowable working range or belt is damaged, replace the belt.
Tension Adjustment
EBS002MI
Belt tensioning is not necessary, as it is automatically adjusted by auto tensioner.
SBIA0361E
DRIVE BELTS
EM-13
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Removal and Installation
EBS002MJ
REMOVAL
Alternator, Water Pump and A/C Compressor Belt
1.
Remove air duct (inlet).
2.
With box wrench, and while securely holding the hexagonal part
in pulley center of auto tensioner, move the wrench handle in the
direction of arrow (loosening direction of tensioner).
CAUTION:
Avoid placing hand in a location where pinching may occur
if the holding tool accidentally comes off.
3.
Under the above condition, insert a metal bar of approximately 6
mm (0.24 in) in diameter (hexagonal bar wrench shown as
example in the figure) through the holding boss to lock auto ten-
sioner pulley arm.
●
Leave auto tensioner pulley arm locked until belt is installed
again.
4.
Remove alternator, water pump and A/C compressor belt.
Power Steering Oil Pump Belt
1.
Remove air duct (inlet) and engine undercover (with power tool).
2.
Remove alternator, water pump and A/C compressor belt. Refer to
EM-13, "Alternator, Water Pump and
3.
While securely holding the hexagonal protrusion part of auto
tensioner pulley center with box wrench, move the wrench han-
dle in the direction of arrow (loosening direction of tensioner).
CAUTION:
Avoid placing hand in a location where pinching may occur
if the holding tool accidentally comes off.
4.
Under the above condition, insert a metal bar of approximately 6
mm (0.24 in) in diameter (hexagonal bar wrench shown as
example in the figure) through the holding boss to lock auto ten-
sioner pulley arm.
●
Leave auto tensioner pulley arm locked until belt is installed
again.
5.
Remove power steering oil pump belt.
INSTALLATION
Power Steering Oil Pump Belt
Install in the reverse order of removal paying attention to the following.
CAUTION:
Make sure belt is securely installed around all pulleys.
●
Unlock auto tensioner pulley arm to give tension to belt.
●
Rotate crankshaft pulley several turns clockwise several times to equalize belt tension between pulleys.
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Check that belt tension is within the allowable working range, using indicator notch on the auto tensioner.
Refer to
.
Alternator, Water Pump and A/C Compressor Belt
Install in the reverse order of removal paying attention to the following.
CAUTION:
Confirm belts are completely set to pulleys.
●
Release auto tensioner, and apply auto tensions to belt.
●
Turn crankshaft pulley clockwise several times to equalize tension between each pulley.
●
Confirm tensions of belt at indicator is within the allowable working range. Refer to
PBIC0997E
SBIA0405E
EM-14
DRIVE BELTS
Drive Belt Auto Tensioner and Idler Pulley
EBS002MK
REMOVAL
1.
Remove air duct (inlet) and engine undercover (with power tool).
2.
Remove drive belts. Refer to
EM-13, "Removal and Installation"
.
●
Keep auto tensioner pulley arm locked after belt is removed.
3.
Remove auto tensioner and idler pulley with power tool.
●
Keep auto tensioner pulley arm locked to install or remove auto tensioner.
INSTALLATION
Install in the reverse order of removal.
SBIA0351E
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