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pro comp 57289 Installation Instruction

Toyota 4wd ifs stage ii ‘86-’95
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2360 Boswell Road
Chula Vista, CA 91914
Phone
619.216.1444
Fax
619.216.1474
E-Mail
tech@explorerprocomp.com
PRO COMP SUSPENSION
Suspension Systems that Work!
This document contains very important information that includes warranty information and instructions for
resolving problems you may encounter. Please keep it in the vehicle as a permanent record.
Part # 57289
Toyota 4WD IFS
Stage II
'86-'95

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Summary of Contents for pro comp 57289

  • Page 1 619.216.1474 E-Mail tech@explorerprocomp.com PRO COMP SUSPENSION Suspension Systems that Work! Part # 57289 Toyota 4WD IFS Stage II ‘86-’95 This document contains very important information that includes warranty information and instructions for resolving problems you may encounter. Please keep it in the vehicle as a permanent record.
  • Page 2 57289 REVISED 2.1.06 Box 1 of 2-PN 57289-1 Part # Description Qty. Illus. Page 90-1290 Rear Crossmember 90-3375 Front A-Arm Drop Brkt. - Drvr. 90-3377 Front A-Arm Drop Brkt. - Pass. 90-3372 Rear A-Arm Drop Brkt. - Drvr. 90-3371 Rear A-Arm Drop Brkt. - Pass.
  • Page 3 REVISED 2.1.06 Part # Description Qty. Illus. Page Box 2 of 2-PN 57289-2 90-4009 Spindle Adapter - Drvr. 90-4010 Spindle Adapter - Pass. THE FOLLOWING PARTS ARE USED IN CONJUNCTION WITH THIS KIT, AND MUST BE OR- DERED SEPARATELY. 318514...
  • Page 4 Tire and wheel choice is crucial in assuring proper fit performance and the safety of your • Pro Comp equipped vehicle. For this application a wheel not to exceed 8 in width with a maximum backspacing of 3.5 must be used. Diameter of wheel may be any of the follow- ing 3 choices, 15, 16, 17.

  • Page 5: Before You Begin

    57289 REVISED 2.1.06 INSTRUCTIONS: using power tools. PLEASE NOTE: This is a mechanical change of 4” ⇒ FRONT: in front, 3” in rear. Place floor jack under front axle and Front end alignment is needed after ⇒ raise vehicle. Place jack stands under frame installation, set to factory specs.
  • Page 6 57289 REVISED 2.1.06 ILLUSTRATION 3 HEX BOLT, 5/8” X 4-1/2” LG. NOTE: BOLT MUST BE IN- STALLED AS SHOWN. LOCATING SPACER 90-1301 LOCK NUT, 5/8” EXISTING A-ARM DROP BRACKET EXISTING EXISTING ECCENTRIC BOLT A-ARM ILLUSTRATION 4 A-ARM FLAT DROP HEX BOLT,...
  • Page 7 57289 REVISED 2.1.06 ing bracket between the bolt holes for differ- ILLUSTRATION 5 ential clearance. See ILLUSTRATION 2. HEX BOLT, 1/2” X 2-1/4” HEX BOLT, Remove eccentric bolts (front and 1/2” X 2-1/2” rear) on front lower a-arm. Install the 4 a-arm drop brackets into...
  • Page 8 57289 REVISED 2.1.06 bracket. Install existing OEM bolts ILLUSTRATION 7 NYLOC NUT, 1/2” through bracket, spacer and into the two bottom holes (with loctite). Torque to 70 FLAT WASHER, 1/2” ft./lbs. DRIVER SIDE DIFFERENTIAL Install 1-1/8” spacer tube at rear DROP BRACKET of upper OEM rubber mount with 1/2”...
  • Page 9 57289 REVISED 2.1.06 ILLUSTRATION 9 HEX BOLT, Insert tapered spindle sleeve with 3/8” X 1” small end going downward, install 5/8” x 2- FLAT 1/2” hex bolt and 5/8” lock nut as shown in WASHER, ILLUSTRATION 8. Torque to 100 ft./lbs.

  • Page 10: Passenger Side

    57289 REVISED 2.1.06 ILLUSTRATION 11 FLAT NYLOC WASHER, A-ARM NUT, 1/2” 1/2” DROP COMPRESSION STRUT BRACKET 90-2155 (PASS.) 90-2154 (DRVR). SLEEVE 90-2109 HEX BOLT, 1/2” X 4” LG. BUSHING 15-11148 PASSENGER SIDE NOTE: Measure from center of eccentric ⇒ adjustment bolt to ground to ensure proper height.

  • Page 11: Rear Installation

    57289 REVISED 2.1.06 REAR INSTALLATION: ILLUSTRATION 12 REAR: 86-89 4-Runner 86-95 Pickup NYLOC NUT, 3/8” Place floor jack under rear axle and raise vehicle. Place jack stands under frame to support vehicle. Set emergency brake and REAR BRAKE LINE block front wheels, in front and behind tires.

  • Page 12: Torque Specifications

    57289 REVISED 2.1.06 Drvr. Differential Brkt. Bolt... TORQUE SPECIFICATIONS: ft./lbs. A-Arm Drop Bracket Bolts....Tapered Spindle Sleeve Bolt... ft./lbs. ft./lbs. Crossmember Bolts......Brake Hose Brkt. to Spindle... ft./lbs. ft./lbs. Eccentric Bolts......Spindle to Upper Ball Joint..... ft./lbs ft./lbs. Center Differential Bolts....
  • Page 13 57289 REVISED 2.1.06...
  • Page 14 Always avoid sudden sharp turns or abrupt maneuvers and allow more time and distance for braking! Pro Comp reminds you to fasten your seat belts at all times and reduce speed! We will gladly answer any questions concerning the design, function, maintenance and correct use of our products.