How to Install Max Trac 5 in. Rear Lowering Kit on your F-150

READ THE INSTRUCTIONS THOROUGHLY AND COMPLETELY BEFORE BEGINNING THE INSTALLATION.     

1. Factory service manual is recommended to have on hand.

2. Secure and properly block vehicle prior to beginning installation

3. Always wear safety glasses when using power tools or working under the vehicle

4. Modifications to any part will void the warranty associated with that product.

5. Jack up front of vehicle, place jack stands under frame, behind front suspension.

After removing parts from vehicle, save hardware for reinstallation

IT IS RECOMMENDED THAT YOU HAVE YOUR VEHICLE’S ALIGNMENT CHECKED WHEN INSTALLING NEW SUSPENSION PARTS IT IS ALSO RECOMMENDED THAT YOU ADJUST YOUR HEADLIGHTS WHENEVER YOUR VEHICLE’S RIDE HEIGHT IS ALTERED.     

1. Chock wheels to prevent vehicle from moving. Support rear of vehicle with a hoist or jack stands under frame rails. Use an adjustable jack to support differential.

2. Loosen the bolt at the front of the leaf spring, but do not remove.

3. Loosen both bolts at the shackle end of the leaf spring (rear) But do not remove.

4. Remove the stock shock absorber by removing the top bolt, and then the bottom bolt.

5. Remove stock bump stop and thread the new red bump stop in its place

6. Remove stock Ubolts and spring plate

7. Clamp leafs in spring pack together, then remove factory Ubolt retainer plate and retighten center pin bolts to prevent leaf springs from separating.

8. Remove leaf spring, jack up axle, then re-install leaf spring underneath the axle. Install provided axle relocator with notched center pin hole facing the front of the truck.

9. Loosening brake line bracket bolt may be necessary to ensure that the axle relocator seats up firmly into the stock spring perch, retighten bolt once relocator is in place.

10. Place the small spring plate on top of spring perch and tighten Ubolts with the bigger spring plate underneath the spring pack.

11. Install the Maxtrac shock absorber(s) in the stock location.

12. Tighten (but not completely) the 3 leaf spring bolts; 1 front, 2 rear. Fasten completely once the vehicle is on the ground, so as not to ruin the spring bushings.

Have your truck re-aligned as soon as possible. Re-tighten all fasteners after 100 miles, then 500 miles.