© 2003 NISSAN NORTH AMERICA, INC.
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, photo-copying, recording or otherwise, without the prior written permission
of Nissan North America, Inc., Gardena, California.

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This manual contains maintenance and repair procedures for the
2004 NISSAN FRONTIER.

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 information
at the time of publication. The right is reserved to make changes in specifi-
cations 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 NISSAN must first be completely satisfied that neither personal
safety nor the vehicle’s safety will be jeopardized by the service
method selected.

PLEASE HELP MAKE THIS SERVICE MANUAL BETTER!

Your comments are important to NISSAN and will help us to improve our Service Manuals.
Use this form to report any issues or comments you may have regarding our Service Manuals.
Please print this form and type or write your comments below. Mail or fax to:

Nissan North America, Inc.
Technical Service Information
39001 Sunrise Drive, P.O. Box 9200
Farmington Hills, MI USA 48331
FAX: (248) 488-3910

SERVICE MANUAL: Model:

Year:

PUBLICATION NO. (Please photocopy back cover):
VEHICLE INFORMATION VIN:

Production Date:

Please describe any issues or problems in detail:
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Note: Please include a copy of each page, marked with your comments.

Are the trouble diagnosis procedures logical and easy to use? (circle your answer)

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What information should be included in NISSAN Service Manuals to better support you in servicing or
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QUICK REFERENCE CHART: FRONTIER EQUIPPED WITH KA24DE

ENGINE

2004

QUICK REFERENCE CHART: FRONTIER EQUIPPED WITH KA24DE ENGINE

PFP:00027

Engine Tune-Up Data

ELS000OU

Idle Speed and Ignition Timing

*1: Throttle position sensor harness connector disconnected or using CONSULT-II “WORK SUPPORT” mode
*2: Throttle position sensor harness connector connected
*3: Under the following conditions:

●

Air conditioner switch: OFF

●

Electrical load: OFF (Lights, heater fan & rear window defogger)

●

Steering wheel: Kept in straight-ahead position

Drive Belt Deflection and Tension

*1: If belt tension gauge cannot be installed at check point shown, check belt tension at a different location on the belt.

Engine

KA24DE

Classification

Gasoline

Cylinder arrangement

In-line 4

Displacement

2,389 cm

(145.78 cu in)

Bore and stroke

89 x 96 mm (3.50 x 3.78 in)

Valve arrangement

DOHC

Firing order

1-3-4-2

Number of piston rings

Compression

Oil

Number of main bearings

Compression ratio

9.2

Cap relief pressure

Standard kPa (kg/cm

, psi)

78 - 98 (0.8 - 1.0, 11 - 14)

Limit kPa (kg/cm

, psi)

59 (0.6, 9)

Leakage test pressure kPa (kg/cm

, psi)

157 (1.6, 23)

Oil drain plug tightening specification

29.4 - 39.2 N·m (3.0 - 4.0 kg-m, 21.69 -

28.91 lb-ft)

Base idle speed*1

rpm

No-load*3 (in “P” or “N” position)

750

±50

Target idle speed*2

rpm

No-load*3 (in “P” or “N” position)

800

±50

Air conditioner: ON

rpm

In “P” or “N” position

875 or more

Ignition timing*1

In “P” or “N” position

°±2° BTDC

Deflection adjustment

Unit: mm (in)

Tension adjustment

*1 Unit: N (kg, lb)

Used belt

New belt

Used belt

New belt

Limit

After adjustment

Limit

After adjustment

Generator

17 (0.67)

10 - 12 (0.39 -

0.47)

8 - 10 (0.31 -

0.39)

222.4 (22.7,

50)

355.8 - 444.8

(36.3 - 45.4, 80 -

100)

489.3 - 578.2 (49.9

- 59.0, 110 - 130)

Air conditioner com-
pressor

16 (0.63)

10 - 12 (0.39 -

0.47)

8 - 10 (0.31 -

0.39)

200.2 (20.4,

45)

355.8 - 444.8

(36.3 - 45.4, 80 -

100)

489.3 - 578.2 (49.9

- 59.0, 110 - 130)

Power steering oil
pump

17 (0.67)

10 - 13 (0.39 -

0.51)

8 - 10 (0.31 -

0.39)

222.4 (22.7,

50)

355.8 - 444.8

(36.3 - 45.4, 80 -

100)

489.3 - 578.2 (49.9

- 59.0, 110 - 130)

Applied pushing
force

98 N (10 kg, 22 lb)

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