350 S. St. Charles St. Jasper, In. 47546
Ph. 812.482.2932 Fax 812.634.6632
www.ridetech.com
Part # 12134099
79-03 Mustang Rear CoolRide Kit
Components:
2 90001176 Tall single convoluted air spring
2 90000345 Rear upper cup bracket
4 9000344 Bracket retainer plate
2 90000343 Lower air spring cup bracket
Hardware:
2 99435005 7/16” x 3 ¾” stud Upper cup to frame
2 99432001 7/16” Nylok nut Upper cup to frame
2 99433002 7/16” SAE flat washer Upper cup to frame
2 99371006 3/8” x 1 ½” USS bolt Air spring to lower cup
6 99373003 3/8” SAE flat washer 2 for lower airspring/ 4 for upper air spring
4 99372002 3/8” USS Nylok nut Air spring to upper cup
2 99373005 3/8” lock washer Air spring to lower cup
79-04 Mustang CoolRide Rear
1. Raise car to a safe comfortable working height. Support the car with proper jack stands under the
body of the car to let the axle hang freely.
2. Disconnect shock absorbers to let the axle drop far enough to remove coil springs. You may need
a floor jack to support the axle as the shocks are removed. It may also be necessary to remove
the brake line bracket to allow the axle to drop down.
3. Apply thread sealant to a straight air
fitting and screw it into the top of the air
spring.
4. Bolt the upper cup bracket to the top of
the air spring and secure with two 3/8”
Nylok nuts and flat washers.
5. Screw the 7/16” all thread into the nut
in the bottom of the cup.
6. Place the air spring assembly into the
coil spring pocket with the stud sticking up
through the frame. Slide the retaining
plate through the hole in the frame rail and
over the 7/16” stud. Use a 7/16” Nylok
and flat washer to clamp the air spring
assembly to the frame.
7. Place the lower air spring bracket over
the coil spring retainer on the lower arm.
8. Use another retaining plate along with
a 3/8” x 1 ½” to attach the air spring to the
lower control arm.
9. Double check air spring clearance
through full suspension travel. Allowing
the air spring to rub will cause failure
and is not a warrantable situation. Pay
special attention to the brake line to air
spring clearance.
10. Ride height on this air spring is
approximately 5” tall, this may vary to
driver preference.
11. On 79-93 Models the body must be
trimmed to ensure that it does not rub the
air spring.
12. On 79-93 Models a hole must be cut
in the inner fender well to access the top
of the pocket to attach the air spring to the
car.
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