350 S. St. Charles St. Jasper, In. 47546
Ph. 812.482.2932 Fax 812.634.6632
www.ridetech.com
Part # 12186799
04-08 F-150 Rear AirBar
Components:
2 90002019 Tapered sleeve air spring
1 90000448 Lower bridge
2 90000447 Upper axle bracket
1 90000449 Driver side upper air spring mount
1 90000450 Passenger side upper air spring mount
1 90000446 Passenger side upper bar frame mount
1 90000445 Driver side upper bar frame mount
1 90000331 Panhard bar axle bracket
2 90000119 Lower air spring plate
2 90000947 Upper bar rubber w/ rubber bushing pressed in (TW- 12.375” / CC 14.125”)
2 90001033 Lower bar w/ rubber and poly bushings pressed in (WW27.25”)
1 90000980 Panhard bar w/ rubber bushing pressed in (TW- 21.813” / CC 23.437)
3 90001584 3/4” x 5/8” threaded rod end w/ rubber bushing pressed in)
3 99752004 3/4"-16 jam nut
8 90001942 Molded rubber bushing (pressed into bars and rod ends)
4 90001084 Poly bushings for lower bars
2 90000284 Inner bushing sleeves for lower bars
2 90001082 Short bump stops
1 99010011 Hardware Kit:
8 5/8” x 2 ¾” SAE Gr. 8 bolt Bar ends to brackets
8 5/8” SAE Gr. 8 Thin Nyloc nut Bar ends to brackets
2 ½” x 2 ½” USS Gr. 5 bolt Lower shock mount
2 ½” USS Nylok nut Lower shock mount
8 7/16” x 1 ¼” Gr. 5 USS bolt Upper bar mount to frame
8 7/16” USS Nylok nut Upper bar mount to frame
16 7/16” SAE flat washer Upper bar mount to frame
3 5/16” x 1” USS bolt Panhard axle bracket to rear end
3 5/16” lock washer Panhard axle bracket to rear end
3 5/16” flat washer Panhard axle bracket to rear end
4 3/8” x 1” USS bolt Air spring mounting
15 3/8” flat washer Air spring mounting & frame plates
15 3/8” lock washer Air spring mounting & frame plates
11 3/8” x 1” self tapping bolt Frame plates
4 3/8” cage nut Frame plates & bump stops
8 5/8” x 6 ½” SAE Gr. 8 bolt Lower bridge mounting
8 5/8” SAE Gr. 8 Nyloc nut Lower bridge mounting
16 5/8” SAE Gr. 8 flat washer Lower bridge mounting
Installation Instructions
*******Must use RideTech rear shock kit*******
1. Raise the vehicle to a safe and comfortable working height.
2. Support the axle and remove the leaf springs, shock absorbers, factory bump stops and
front leaf spring hanger.
3. The rear leaf spring shackle and hanger may also be removed but is not necessary.
4. The exhaust tail pipe & mounts will also have to be removed from the rear of the muffler
back. A turn down can be installed or a custom tail pipe can be made.
5. This tab on the front driver side
of the charcoal canister must be
removed for clearance.
6. Passenger side corner of the
canister must also be trimmed at a
45 degree angle.
7. The spacer between the carrier
bearing and the cross member
must be removed to correct pinion
angle. The factory bump stop bolts
and a 3/8” washer can be used to
remount the carrier bearing.
8. Bolt the upper air spring/shock
mount to the frame. Using the
bracket as a template drill the holes
in the frame with a 5/16” bit.
Fasten the plate to the frame using
3/8” x 1” self tapping bolts.
9. The two large holes in the back
of the bracket are for trucks with a
factory hitch. If your truck does not
have a hitch the holes can be left
empty.
10. Bolt the lower bridge to the
factory leaf spring hanger using
5/8” x 8” bolts, Nylok nuts and flat
washers. The upper bar mount will
be on top of the axle.
11. The brake line on the driver
side must be bent in to clear the
panhard bar. The brake line frame
mount must be relocated to the bed
brace.
12. Bolt the upper bar mount to the
factory upper shock mount using
four 7/16” x 1 ¼” bolts, Nylok jam
nuts and flat washers.
13. Bolt the large end of the lower
bar (longer one) to the factory leaf
spring hanger using the factory
hardware. Bolt the other end to the
lower bridge using a 5/8” x 2 ¾”
bolt and Nylok jam nut.
14. The upper bar will bolt in using
5/8” x 2 ¾” bolt and Nylok nuts.
15. Bolt the panhard bar axle
bracket to the axle using three
5/16” x 1” bolts, lock washers and
flat washers.
16. Bolt the panhard bar to the
axle and frame brackets using 5/8”
x 2 ¾” bolts and Nylok jam nuts.
The bend in the bar will go toward
the axle mount and point up.
Note: Tighten all 4 link and
panhard bar bolts with the
suspension at ride height. Ride
height will be with the air spring at
about 10.5” tall.
17. Bolt the new shorter bump stop
to the frame using a 3/8” Nylok nut
and flat washer.
18. Bolt the shock absorber to the
upper mount using the bushing and
hardware kit supplied. A ½” x 2 ½”
bolt and Nylok nut will secure the
shock to the lower bridge.
19. Apply thread sealant to the air
fitting and screw it into the top of
the air spring.
20. Bolt the air spring to upper
mount using a 3/8” x 1” bolt, lock
washer and flat washer.
21. Place the lower air spring plate
on top of the lower bridge. Fasten
the air spring to the bridge using a
3/8” x 1” bolt, lock washer and flat
washer. Do not allow the air
spring to rub on anything. This
will damage the unit and is not
warrantable situation
22. Ride height on this air spring is
around 10.5” tall, around 30 psi.
This may vary to driver preference
and vehicle weight.
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