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Skyjacker F4621A Installation Instructions Manual

2004 - 2008 ford f-150 2wd 6" suspension lift

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REquIRED TOOL LIST:
• Safety Glasses
• Metric / Standard Wrenches & Sockets
• Spring Compressor
• Floor Jack
• Jack Stands
• Measuring Tape
• Torque Wrench
• Transmission Jack
• 10,000 lb Shop Press
Before beginning the installation, thoroughly & completely read these instructions & the enclosed
driver's WARNING NOTICE. Affix the WARNING decal in the passenger compartment in clear view
of all occupants. Please refer to the Parts List to insure that all parts & hardware are received prior
to the disassembly of the vehicle. If any parts are found to be missing, contact SKYJACKER ®
Customer Service at 318-388-0816 to obtain the needed items. If you have any questions or
reservations about installing this product, call SKYJACKER ® Technical Assistance at 318-388-0816.
Make sure you park the vehicle on a level concrete or asphalt surface. Many times a vehicle is not
level (side-to-side) from the factory & is usually not noticed until a lift kit has been installed, which
makes the difference more visible. Using a measuring tape, measure the front & rear (both sides)
from the ground up to the center of the fender opening above the axle. Record this information
below for future reference.
Driver Side Front:
Driver Side Rear:
IMPORTANT NOTES:
• This lift is determined from the amount of lift to the front of the vehicle, while only lifting the rear
to a position level with the front.
• If larger tires (10% more than the stock diameter) are installed, speedometer recalibration will be
necessary. Contact your local Ford dealer or an authorized dealer for details.
• After installation a qualified alignment facility is required to align the vehicle to factory
specifications.
I-F4621 REV1 3-11
2004 - 2008 Ford F-150 2WD
6" Suspension Lift

Installation Instructions

Passenger Side Front:
Passenger Side Rear:
Pg 1

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Summary of Contents for Skyjacker F4621A

  • Page 1: Installation Instructions

    Please refer to the Parts List to insure that all parts & hardware are received prior to the disassembly of the vehicle. If any parts are found to be missing, contact SKYJACKER ® Customer Service at 318-388-0816 to obtain the needed items. If you have any questions or reservations about installing this product, call SKYJACKER ®...
  • Page 2 Kit Box Breakdown: F4621A: ITEM# DESCRIPTION F462L F462, LEFT STEERING KNUCKLE F462R F462,RIGHT STEERING KNUCKLE F462FCM-S F150 2WD 6" FRONT CROSS-MBR F462RCM-S F150 2WD 6" REAR CROSS-MBR SBL462-B 6" F462, SWAY BAR BRACKET HB-SBL HDWR BAG:SWAY BAR LOW BRKTS HB-F462-CM...
  • Page 3: Front Installation

    Hardware Bag Breakdown: WS4320 Front Shocks ITEM# DESCRIPTION WS4320S-17/32 WS430S,2 HOLES 1.574"CENTER 1204S 1/2 X 4 TIE BOLT W/NUT 12TBN 1/2" TIE BOLT NUT HB-F460-BLE Brake-Line Extensions ITEM# DESCRIPTION F460BLE-F BRAKE LINE BKT,FRONT 04F150 DVL10 DGE/FORD VAC/BRAKE BKT-FLAT 14X1FTB 1/4 X 1 FINE THD BOLT G8 14FTN 1/4-28 FINE N/I LOCK NUT 14SAEW...
  • Page 4 A-arm. Photo # 3 9. Locate the new Skyjacker rear cross member brackets. They will attach to the OEM cross member location using the 1/2" x 5 1/2" fine thread bolts, washers, & nuts. The bracket will attach to the OEM A-arm position using the 18mm x150mm bolts, washers, &...
  • Page 5 Skyjacker coil spring pad, & OEM bump stop on the new Skyjacker strut. (See Photo # 10). 16. Slide the new Skyjacker strut assembly in from the bottom & install the OEM rubber coil seat on top of the OEM coil. (See Photo # 11)
  • Page 6: Rear Installation

    22. Locate the OEM brake line bracket on the frame rail. Remove the OEM bracket from the frame rail & install the new Skyjacker drop bracket at this position. Attach the new bracket to the frame rail using the OEM hardware. Attach the OEM brake line bracket to the new bracket using the 1/4"...
  • Page 7 Install the new Skyjacker u-bolts & torque to 130 Ft. Lbs. 35. Lower the vehicle to the ground & locate the new Skyjacker rear brake line extension bracket. It’s a flat bracket with a hole at each end. Attach the new bracket to the OEM mount on the frame rail using the OEM hardware.
  • Page 8 FINAL NOTES: • After the installation is complete, double check that all nuts & bolts are tight. Refer to the following chart below for the proper torque specifications. (Do not retighten the nuts & bolts where thread lock compound was used.) •...

This manual is also suitable for:

F4621bst