K&N 57-2531 Installation Instructions

INSTALLATION INSTRUCTIONS
57-2531
Ford
1994.5-1997 F250, F350 SuperDuty
V8-7.3L Turbo Diesel Powerstroke
NOTE: This kit was not designed
to fit vehicles with a body lift.
Tools
5/16" Wrench
Flat blade screwdriver
4mm Allen wrench
10mm Wrench
7/16" Wrench
Ratchet
Short Extension
7/16 Socket
Parts list
Description
A Hose clamp #64
B Hump hose
C K&N intake tube
D Bolt, 6mm f/h/a
E Saddle bracket
F Washer, conical
TO START:
1. Turn the ignition OFF and disconnect the
vehicle's negative battery cable.
2. Loosen and remove the bolt on the
radiator core support, then remove the air
inlet duct as shown
.
3. Loosen the screws that secure the air
cleaner top as shown. (see arrows)
4. Loosen the hose clamp at the turbo inlet
tube, then remove the upper air cleaner
assembly as shown.
5. To remove the air temperature sensor, turn
the sensor ¼ turn, then, pull the sensor out of
the lower air cleaner assembly as shown.
6. Loosen the nut that secures the lower air
cleaner assembly as shown.
A
B
A
C
A
Qty. P/N Description
3 08648 G Bracket, small "L"
1 08418 H Washer, 1/4
1 087043 I Nut, 6mm nylock
1 08376 J Bolt, 1/4 hexhead
1 078855 K Bracket
1 08180 L Nut, 1/4 nylock
7. Pull firmly upwards to release the lower
air cleaner assembly from the retaining
grommets, then remove as shown.
8. Using a small flat blade screwdriver,
release the Air Temperature Sensor retaining
clips, then disconnect the electrical connec-
tion as shown.
9. Apply the provided trim seal to the
K&N heat shield as shown.
10. Using the provided hardware, install
the straight bracket onto the bottom of the
K&N heat shield as shown.
11. Using the provided hardware, install
the large "L" bracket onto the K&N heat
shield as shown.
I
J
H
O
P
H
N
J
H
H
J
L
H
L
M
H
D
K
L
E
F
H
G
J
I
Qty. P/N
1 08025
10 08275
2 07553
4 08386
1 26519
4 07517
L
H
R
Q
S
Description Qty.
M Heat shield 1
N Edge trim, 48"L 1
O Bracket, medium "L" 1
P Hose clamp #72 1
Q K&N FIltercharger 1
R Filter bracket 1
S Grommet 1
12. Assemble the small "L" bracket and
the saddle bracket using the hardware
provided as shown.
13. Install the saddle bracket assembly onto
the K&N heat shield using the provided
hardware as shown.
14. Install the silicone hump hose onto
the K&N intake tube as shown and secure
with the provided hose clamp.
15. Loosen and remove the two bolts that
secure the fuse box bracket to the inner
fender as shown. (see arrows)
16. Remove the stock retaining nut on
the air temperature sensor as shown.
P/N
07460
102485
07879
08671
RC-4780
26518
08167