Section 04-02: Suspension, Rear
1996 F-Series and Bronco Workshop Manual
REMOVAL AND INSTALLATION

Spring

Removal

  1. Raise the vehicle frame (5005) until the weight is off the rear springs (5560), with the tires still touching the floor.

  1. Remove the nuts from the spring U-bolts and drive the U-bolts from the U-bolt rear spring cap and plate (5796).

  1. If equipped, remove the auxiliary spring and spacer.

  1. Remove the spring-to-bracket nut and bolt at the front of the rear spring.

  1. Remove the shackle lower nuts and bolts at the rear of the rear spring.

  1. Remove the rear spring and rear spring shackle (5776) from the rear spring shackle bracket (5775).

  1. Remove the bolt and nut that secures the rear spring shackle to the rear spring.

 

Installation

  1. Follow removal procedures in reverse order.

  1. Tighten the spring U-bolt nuts to specifications as listed at the end of this section. Tighten the front spring bolt and nut and the rear shackle bolts and nuts to specifications listed at the end of this section.



    Rear Spring Installation, F-150 and Bronco





    ItemPart NumberDescription
    1N802114-S2Bolt
    2N620483-S56Nut
    35775Rear Spring Shackle Bracket
    465092Rivet
    5N806085-S8Nut and Washer Assembly
    618192Rear Shock Absorber Bracket
    718080Shock Absorber
    85005Frame
    9N804028-S2Bolt
    10N620484-S56Nut
    115776Rear Spring Shackle
    12N804028-S2Bolt
    135775Rear Spring Shackle Bracket
    14N806368-S56Nut and Retainer
    15N647096-SRivet
    16N620484-S56Nut
    175560Rear Spring
    185796Rear Spring Cap and Plate
    195729Spacer, Rear Spring
    (F-150 4x4 Only)
    205729Spacer, Rear Spring
    (Bronco Only)
    214001Rear Axle
    22N800751-S101Bolt
    23N605705-S2Bolt
    24N806496-S100Nut and Washer
    25N804028-S2Bolt
    26N806368-S56Nut and Retainer
    ATighten to 53-73 Nm
    (39-53 Lb-Ft)
    BTighten to 113-153 Nm (83-113 Lb-Ft)


    Rear Spring Installation, F-150 4x2 and 4x4 with Auxiliary Spring





    ItemPart NumberDescription
    15700Auxiliary Spring Bracket
    2N620485-S56Nut
    35796Rear Spring Cap and Plate
    45588Auxiliary Spring
    55560Rear Spring
    65A799Spacer, Rear Spring
    7N804419-S101Bolt
    85594Spacer, Auxiliary Spring
    9N647098-SRivet
    105A636Bumper
    11N620482-S56Nut
    12N647096-SRivet
    134730Rear Axle Bumper
    144731Rear Axle Bumper Bracket
    15N800878-SSpacer
    ATighten to 191-259 Nm
    (141-191 Lb-Ft)
    BTighten to 21-29 Nm
    (15-21 Lb-Ft)


    Rear Spring Installation, F-250 and F-350, 4x2 and 4x4, Regular Cab and SuperCab





    ItemPart NumberDescription
    1N806085Nut and Washer Assembly
    218192Rear Shock Absorber Bracket
    35005Frame
    4N803805Bolt
    5N620484Nut
    65776Rear Spring Shackle
    75775Rear Spring Shackle Bracket
    8N620484Nut
    9N647096Rivet
    10N620485Nut
    115796Rear Spring Cap and Plate
    125560Rear Spring
    134001Rear Axle
    14N605705Bolt
    15N804419Bolt
    16N806496Nut and Washer Assembly
    17N601526Bolt
    185775Rear Spring Shackle Bracket
    1918080Shock Absorber
    ATighten to 53-72 Nm
    (39-53 Lb-Ft)
    BTighten to 113-153 Nm (83-113 Lb-Ft)
    CTighten to 191-259 Nm (141-191 Lb-Ft)


    Rear Spring Installation with Auxiliary Spring, F-350 4x2 and 4x4, Chassis Cab





    ItemPart NumberDescription
    15775Rear Spring Shackle Bracket
    2N620485-S56Nut and Retainer
    318192Rear Shock Absorber Bracket
    45005Frame
    5N804662-S101U-Bolt
    6N800950-S2Bolt
    75776Rear Spring Shackle
    8N620485-S56Nut
    95700Auxiliary Spring Bracket
    10N647096-SRivet
    11N800950-SBolt
    125775Rear Spring Shackle Bracket
    135796Rear Spring Cap and Plate
    145588Auxiliary Spring
    155594Spacer, Auxiliary Spring
    165598Spacer, Rear Spring
    174001Rear Axle
    185796Rear Spring Cap and Plate
    195560Rear Spring
    2085095-SRivet
    21N620482-S56Nut
    22N802860-SSpacer
    234731Rear Axle Bumper Bracket
    244730Rear Axle Bumper
    ATighten to 213-288 Nm (157-212 Lb-Ft)
    BTighten to 191-259 Nm (141-191 Lb-Ft)


    Rear Spring Installation with Auxiliary Spring, F-350 4x2 and 4x4, Chassis Cab (Continued)





    ItemPart NumberDescription
    15486Stabilizer Bar Bracket
    2N620482-S56Nut
    3N806085-S8Nut and Washer Assembly
    418080Shock Absorber
    5N605705-S2Bolt
    6N806496-S100Nut and Washer Assembly
    7N803771-S56Bolt
    85486Stabilizer Bar Bracket
    95A772Rear Stabilizer Bar
    10N620468-S2Nut
    115L499Bracket, Link Assembly
    12N647097-SRivet
    13N605920-S2Bolt
    14N605704-S2Bolt
    155K484Stabilizer Bar Link
    1618041Washer
    17384485-S56Nut
    185493Lower Suspension Arm Stabilizer Bar Insulator
    1918171Washer
    20N620469-S2Nut
    21N801527-S2Washer
    ATighten to 40-54 Nm
    (30-40 Lb-Ft)
    BTighten to 53-73 Nm
    (39-54 Lb-Ft)
    CTighten to 23-31 Nm
    (17-23 Lb-Ft)
    DTighten to 55-85 Nm
    (40-62 Lb-Ft)


    Rear Spring Installation, F-Super Duty Chassis Cab





    ItemPart NumberDescription
    1N805135-S56Nut and Retainer
    25775Rear Spring Shackle Bracket
    3N802115-S2Bolt
    4N805444-S100Bolt
    55A975Spring Assembly, Rear Axle
    6N805161-S56Nut and Retainer
    7N805007-S100Nut and Retainer
    8N805136-S56Nut and Retainer
    9N805041-S2Bolt
    10N620485-S56Nut
    115776Rear Spring Shackle
    12N802115-S2Bolt
    13N805041-S2Bolt
    145775Rear Spring Shackle Bracket
    ATighten to 78-103 Nm
    (57-76 Lb-Ft)
    BTighten to 340-460 Nm (250-339 Lb-Ft)
    CTighten to 213-287 Nm (157-211 Lb-Ft)


    Rear Spring Installation, F-Super Duty Chassis Cab (Continued)





    ItemPart NumberDescription
    1N605918-S2Bolt
    2N805056-S56Bolt
    35A975Spring Assembly, Rear Axle
    44001Rear Axle
    55796Rear Spring Cap and Plate
    6N620484Nut
    74730Rear Axle Bumper
    84731Rear Axle Bumper Bracket
    9N647100-SRivet
    10N602482-S56Nut
    115A978Liner, Rear Spring Bracket
    12N647100-SRivet
    135700Auxiliary Spring Bracket
    14N605546-S2Bolt
    15N801527-S2Washer
    16N605704-S2Bolt
    175K484Stabilizer Bar Link
    185493Lower Suspension Arm Stabilizer Bar Insulator
    1918171Washer
    20384485-S56Nut
    2118041Washer
    225A772Rear Stabilizer Bar
    23N620469-S2Nut
    245486Stabilizer Bar Bracket
    25N806085-S8Nut and Washer Assembly
    2618080Shock Absorber
    27N605705-S2Bolt
    28N806496-S100Nut and Washer Assembly
    ATighten to 30-40 Nm
    (22-29 Lb-Ft)
    BTighten to 255-345 Nm (188-254 Lb-Ft)
    CTighten to 34-46 Nm
    (25-34 Lb-Ft)
    DTighten to 23-31 Nm
    (17-23 Lb-Ft)
    ETighten to 55-85 Nm
    (40-62 Lb-Ft)
    FTighten to 53-73 Nm
    (39-53 Lb-Ft)


    Rear Spring Installation, F-Super Duty Motorhome Chassis





    ItemPart NumberDescription
    1N620482-S56Nut
    24002Bumper
    3N805135-S56Nut and Retainer
    45785Front Hanger Bracket
    5N802115-S2Bolt
    6N805444-S100Bolt
    75A975Spring Assembly
    8N805161-S56Nut and Retainer
    9N805007-S100Nut and Retainer
    10N805041-S2Bolt
    11N620485-S56Nut
    125776Bracket
    135775Bracket
    ATighten to 34-46 Nm
    (25-30 Lb-Ft)
    BTighten to 78-103 Nm
    (57-75 Lb-Ft)
    CTighten to 340-460 Nm
    (250-339 Lb-Ft)
    DTighten to 213-287 Nm
    (157-211 Lb-Ft)