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Front Spoiler Installation Procedure (BO91-022)

Publication date: 1991-05-31
Reference number: BO91-022

FRONT SPOILER INSTALLATION PROCEDURE

FRONT SPOILER INSTALLATION PROCEDURE

TECHNICAL SERVICE BULLETIN

Reference Number(s): BO91-022, Date of Issue:  May 31, 1991
COPYRIGHT: © 2018 Lexus, a division of Toyota Motor Sales, USA License Agreement TMS1002

FRONT SPOILER INSTALLATION PROCEDURE

Model 1991 Lexus SC400

Group Body

Bulletin No. 91-022

Date May 31, 1991

SERVICE INFORMATION

Refer to the procedure below for installation of the front spoiler

kit on SC400. See Fig 1.

  1. Safely position and lift vehicle. * Unlock steering wheel to allow front wheels to turn.
    Fig 1: Front Spoiler Kit Assembly
    G93B51053Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Remove the left and right side inner fender liners. See Fig 2.
    1. Remove the three (3) screws securing the upper fender liner (marked "A").
    2. Remove the two (2) screws securing the fender liner to the bumper (marked "B").
    3. Remove the three (3) screws securing the fender liner and engine under cover (marked"C").
    4. Remove the single (1) screw securing the lower front fender liner to the bumper (marked "D").
    5. Remove the single (1 ) bolt securing the fender liner to the body (marked "E").
  3. Install the six (6) nuts at the front left and right sides of the spoiler.
    NOTE: Existing clip and screw on right and left side of vehicle will be used for remaining two attachment points of spoiler. An extra 2 clips and screws are included in the kit.
    Fig 2: Removal of Inner Fender Liners
    G93C51054Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 3: Location of Installation Holes
    G93D51055Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Insert the front spoiler bolts into the front bumper holes on the left and right sides. See Fig 4.
  5. Install the side retainer over the spoiler bolts. Install and tighten the four (4) nuts from behind the front bumper, while pushing the front spoiler forward, in order to achieve proper alignment with the front and side edges of the bumper. See Fig 5.
  6. Install the front spoiler lower center retainer and tighten the five (5) bolts starting from the center. See Fig 6.
  7. Check for proper overall appearance & alignment of front spoiler and bumper. See Fig 7.
  8. Re-install the inner fender liners. See Fig 8.
    1. Tighten the one (1) bolt secured to the body.
    2. Tighten the four (4) screws securing the lower front fender liner to the front spoiler. Three (3) of the screws are supplied with spoiler kit.
    3. Tighten the three (3) screws to the engine under cover.
    4. Tighten the two (2) screws secure to the bumper.
    5. Tighten the three (3) screws securing the upper fender liner.
Fig 4: Insertion of Spoiler Bolts to Bumper Holes
G93E51056Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 5: Proper Alignment with Front & Side Edges of Bumper
G93F51057Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 6: Location of Retainer Bolts
G93G51058Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 7: Verification of Proper Alignment
G93H51059Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 8: Re-installation of Inner Fender Liners
G93A51060Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002