AEM 25-104BK High Volume Fuel Rail Installation Instructions

HI-FLOW

FUEL

RAIL

Installation Instructions for:

Part Number 25-104

1990-1993 Honda Accord
1992-1996 Honda Prelude
1997-2000 Honda Prelude

Read and understand these instructions BEFORE attempting to install this product.

! WARNING

ADVANCED ENGINE MANAGEMENT INC.

2205 126

Phone: [phone] Fax: [phone]

TH

Street, Unit A Hawthorne, CA. 90250

Http://www.aempower.com

Part Number: 10-282

© Copyright 2001

• Do not smoke while working on the fuel system.

• Keep open flames or sparks away from your work area.

• Be sure to relieve fuel pressure while engine is off.

1)

Getting started

a) Make sure vehicle is parked on a level surface.
b) Set parking brake.
c) Disconnect the negative cable from the negative battery terminal.
d) If engine has run within the past two hours let it cool down.
e) Clean the area around the fuel rail so that dirt cannot get into the engine.

Note it is recommended to:

• Replace the washer between the service bolt and the special banjo bolt whenever the service bolt is
loosened. (where equipped)

• Replace all washers whenever the bolts are removed.

• Replace all cushion rings, seal rings and fuel injector insulators when fuel rail is disassembled.

2) Relieving fuel pressure

a) Remove the fuel fill cap.
b) On models equipped with a 6mm service bolt. (illustrated below) If your vehicle is not

equipped with a 6mm service bolt, then proceed to step c.

i) Use a box end wrench on the 6mm service bolt on top of the fuel filter or fuel rail, while holding the

special banjo bolt with another wrench.

ii) Place a rag or shop towel over the 6mm service bolt.
iii) Slowly loosen the 6mm service bolt one complete turn.
iv) Leave service bolt loose until all pressure has been relieved.
v) Tighten service bolt to 10 lbf-ft.

Service Bolt

z ft

10 lbf

Shop Towel

Fuel Filter

c)

On models not equipped with a 6mm service bolt.

i) Use a box end wrench on the 12mm banjo bolt on top of the fuel filter.
ii) Place a rag or shop towel over the 12mm banjo bolt.
iii) Slowly loosen the 12mm banjo bolt one complete turn or until all pressure has been relieved.
iv) Torque the 12 mm banjo b olt to 25 lbf-ft.

3) Stock fuel rail, injectors and fuel pressure regulator removal

Refer to following vehicle-specific diagrams for proper disass embly.

a) Disconnect the fuel inlet fitting at the fuel rail.

i) Be careful not to lose either of the two crush washers.

b) Disconnect the wire connectors from the fuel injectors.