Infiniti Q45 (FY33). Manual — part 445
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QUICK REFERENCE CHART: Q45
2001
Engine model
VH41DE
Firing order
1-8-7-3-6-5-4-2
Idle speed
A/T (in “N” position)
rpm
650±50
Ignition timing
(BTDC at idle speed)
15°±2°
CO% at idle
Idle mixture screw is preset and sealed at
factory.
Drive belt deflection (Cold)
mm (in)
Used belt deflection
Deflection of
new belt
Limit
Deflection
after
adjustment
Alternator
8 (0.31)
4 - 5
(0.16 - 0.20)
3.5 - 4.5
(0.138 -
0.177)
Air conditioner compressor
13 (0.51)
9 - 10
(0.35 - 0.39)
8 - 9
(0.31 - 0.35)
Power steering oil pump
14 (0.55)
9 - 10
(0.35 - 0.39)
8 - 9
(0.31 - 0.35)
Water pump
9 (0.35)
6 - 7
(0.24 - 0.28)
5 - 6
(0.20 - 0.24)
Applied pushing force
N (kg, lb)
98 (10, 22)
Drive belt tension (Cold)*
N (kg, lb)
Used belt tension
Tension of
new belt
Limit
Tension after
adjustment
Alternator
196
(20, 44)
736 - 814
(75 - 83,
165 - 183)
843 - 922
(86 - 94,
190 - 207)
Air conditioner compressor
196
(20, 44)
500 - 579
(51 - 59,
112 - 130)
608 - 686
(62 - 70,
137 - 154)
Power steering oil pump
137
(14, 31)
353 - 432
(36 - 44,
79 - 97)
451 - 530
(46 - 54,
101 - 119)
Water pump
196
(20, 44)
539 - 618
(55 - 63,
121 - 139)
657 - 736
(67 - 75,
148 - 165)
Radiator cap relief pressure
kPa (kg/cm
2
, psi)
98 - 118 (1.0 - 1.2, 14 - 17)
Cooling system leakage testing pressure
kPa (kg/cm
2
, psi)
157 (1.6, 23)
Compression pressure
kPa (kg/cm
2
, psi)/rpm
Standard
1,285 (13.1, 186)/300
Minimum
991 (10.1, 144)/300
Spark plug
Standard type
PFR5G-11
Hot type
PFR4G-11
Cold type
PFR6G-11
* If the belt tension gauge cannot be installed at check points, check drive belt tension
at a different location on the belt.
Camber
Degree minute
(Decimal degree)
Minimum
−1°25
′
(−1.42°)
Nominal
−0°40
′
(−0.67°)
Maximum
0°05
′
(0.08°)
Left and right difference
1° (1.00°) or less
Caster
Degree minute
(Decimal degree)
Minimum
5°40
′
(5.67°)
Nominal
6°25
′
(6.42°)
Maximum
7°10
′
(7.17°)
Left and right difference
1° (1.00°) or less
Kingpin inclination
Degree minute
(Decimal degree)
Minimum
12°25
′
(12.42°)
Nominal
13°10
′
(13.17°)
Maximum
13°55
′
(13.92°)
Total toe-in
Minimum
1 (0.04)
Distance (A − B)
mm (in)
Nominal
2 (0.08)
Maximum
3 (0.12)
Angle (left plus right)
Degree minute
(Decimal degree)
Minimum
4
′
(0.07°)
Nominal
10
′
(0.17°)
Maximum
16
′
(0.27°)
Wheel turning angle (Full turn)
Minimum
36°50
′
(36.83°)
Inside
Degree minute
(Decimal degree)
Nominal
39°50
′
(39.83°)
Maximum
40°50
′
(40.83°)
Outside
Degree minute
(Decimal degree)
Nominal
32°25
′
(32.42°)
* Fuel, radiator coolant and engine oil full.
Spare tire, jack, hand tools and mats in designated positions.
Camber
Degree minute
(Decimal degree)
Minimum
−0°15
′
(−0.25°)
Nominal
−0°45
′
(−0.75°)
Maximum
−1°15
′
(−1.25°)
Total toe-in
Minimum
0 (0)
Distance (A − B)
mm (in)
Nominal
2.5 (0.098)
Maximum
5 (0.20)
Angle (left plus right)
Degree minute
(Decimal degree)
Minimum
0
′
(0.00°)
Nominal
14
′
(0.23°)
Maximum
28
′
(0.47°)
* Fuel, radiator coolant and engine oil full.
Spare tire, jack, hand tools and mats in designated positions.
Unit: mm (in)
Front brake
Pad wear limit
2.0 (0.079)
Rotor repair limit
26.0 (1.024)
Rear brake
Pad wear limit
2.0 (0.079)
Rotor repair limit
14.0 (0.551)
Pedal free height
183 - 193 (7.20 - 7.60)
Pedal depressed height*
More than 95 (3.74)
* Under force of 490 N (50 kg, 110 lb) with engine running
Unit
Liter
US measure
Fuel tank
80
21-1/8 gal
Coolant (With reservoir tank)
11.7
12-3/8 qt
Engine*
Drain and refill
With oil filter change
5.3
5-5/8 qt
Without oil filter change
5.0
5-1/4 qt
Dry engine (overhaul)
6.2
6-1/2 qt
Transmission
A/T
10.5
11-1/8 qt
Differential carrier
1.3
2-3/4 pt
Power steering system
1.3
1-3/8 qt
Air conditioning
system
Compressor oil
0.250
8.5 fl oz
Refrigerant
0.675 - 0.725 kg
1.488 - 1.599 lb
* For further details, see “Changing Engine Oil” in MA section.
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EDITION: JULY 2000
REVISION: DECEMBER 2000
PUBLICATION NO. SM1E-1F33U1
QUICK REFERENCE INDEX
All rights reserved. No part of this Service Manual may be reproduced or stored in a retrieval system, or transmitted in any form, or by
any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of Nissan Motor
Company Ltd., Tokyo, Japan.
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FOREWORD
This manual contains maintenance and repair procedures for the
2001 INFINITI Q45.
In order to assure your safety and the efficient functioning of the
vehicle, this manual should be read thoroughly. It is especially
important that the PRECAUTIONS in the GI section be completely
understood before starting any repair task.
All information in this manual is based on the latest product infor-
mation at the time of publication. The right is reserved to make
changes in specifications and methods at any time without notice.
IMPORTANT SAFETY NOTICE
The proper performance of service is essential for both the safety of
the technician and the efficient functioning of the vehicle.
The service methods in this Service Manual are described in such a
manner that the service may be performed safely and accurately.
Service varies with the procedures used, the skills of the technician
and the tools and parts available. Accordingly, anyone using service
procedures, tools or parts which are not specifically recommended
by INFINITI must first be completely satisfied that neither personal
safety nor the vehicle’s safety will be jeopardized by the service
method selected.
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