Infiniti M45 (Y34). Manual — part 519
DRIVE BELTS
EM-13
C
D
E
F
G
H
I
J
K
L
M
A
EM
DRIVE BELTS
PFP:02117
Checking Drive Belts
ABS004QX
WARNING:
Be sure to perform when 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 engine is cold.
●
When the new drive belt is installed, the range should be A.
●
The indicator notch is located on the moving side of 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
ABS004QY
Belt tensioning is not necessary, as it is automatically adjusted by auto tensioner.
Removal and Installation
ABS004QZ
REMOVAL
Alternator, Water Pump and A/C Compressor Belt
1.
Remove air duct (inlet). Refer to
EM-16, "AIR CLEANER AND AIR DUCT"
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.
PBIC2162E
PBIC0997E
EM-14
DRIVE BELTS
Power Steering Oil Pump Belt
1.
Remove air duct (inlet) and engine undercover (with power tool). Refer to
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 with box wrench, 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.
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
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 to equalize belt tension between pulleys.
●
Check that belt tension is within the allowable working range, using indicator notch on auto tensioner.
Refer to
PBIC1543E
DRIVE BELTS
EM-15
C
D
E
F
G
H
I
J
K
L
M
A
EM
Drive Belt Auto Tensioner and Idler Pulley
ABS004R0
CAUTION:
The complete drive belt auto–tensioner must be replaced as a unit, including the pulley.
REMOVAL
1.
Remove air duct (inlet). Refer to
EM-16, "AIR CLEANER AND AIR DUCT"
2.
Remove engine undercover (with power tool).
3.
EM-13, "Removal and Installation"
●
Keep auto tensioner pulley arm locked after belt is removed.
4.
Remove auto tensioner and idler pulley with power tool.
●
Keep auto tensioner pulley arm locked to install or remove auto tensioner.
CAUTION:
Do not loosen the hexagonal part in center of drive belt auto–tensioner pulley (Do not turn it clock-
wise). If turned clockwise, the complete drive belt auto–tensioner must be replaced as a unit,
including the pulley.
INSTALLATION
●
Install in the reverse order of removal.
CAUTION:
Do not swap the pulley between new and old drive belt auto–tensioner.
SBIA0351E
EM-16
AIR CLEANER AND AIR DUCT
AIR CLEANER AND AIR DUCT
PFP:16500
Removal and Installation
ABS000LL
REMOVAL
1.
Remove engine cover (with power tool). Refer to
2.
Disconnect harness connector from mass air flow sensor.
3.
Remove air duct (inlet), air cleaner case and mass air flow sensor assembly disconnecting their joints.
●
Add marks as necessary for easier installation.
4.
Remove mass air flow sensor from air cleaner case.
CAUTION:
Handle mass air flow sensor with following cares.
●
Do not shock it.
●
Do not disassemble it.
●
Do not touch its sensor.
INSTALLATION
Note the following, and install in the reverse order of removal.
●
Align marks. Attach each joint. Screw clamps firmly.
1.
Air cleaner filter
2.
Holder
3.
O-ring
4.
Mass air flow sensor
5.
Vacuum hose
6.
Air duct (inlet)
7.
Air cleaner case
8.
Bracket
9.
Air duct
PBIC2743E
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст