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3rd Gen 4Runner: Shimmy, vibration or steering wander at highway speed

Safety: Loose steering parts are a safety issue. Do not drive on tie rod ends or ball joints that show play.

Checks, in order

  1. Tire condition and balance
    Look for bulges, flat spots and uneven wear, then have the wheels spin balanced. Cupped tires or a bent wheel can feel like a worn suspension.
    easy $ · under about $50
  2. Tire pressure and rotation
    Set all four tires to the placard pressure and check for a tire that is out of round. Rotating the tires front to back can move the vibration and tell you which end it is in.
    easy $ · under about $50
  3. Tie rod ends and idler arm
    With the wheels off the ground, push and pull each wheel at 3 and 9 o'clock. Any play here points to tie rod ends, the idler arm or the steering rack or box.
    medium $ · under about $50
  4. Wheel bearings
    Grab the tire at 12 and 6 and rock it, then spin it by hand and listen for a growl. On 4WD trucks the front hub also needs correct lock and bearing preload.
    medium $$ · about $50 to $500
  5. Alignment
    After any ball joint or tie rod work, get a four wheel alignment. A truck with a lifted or sagging front end can also pull or wander until the torsion bars are reset.
    medium $$ · about $50 to $500

Applies to: 1996 to 2002 4Runner with the 2.7L 3RZ-FE four-cylinder and the 3.4L 5VZ-FE V6, 2WD and 4WD, manual and automatic. Where a check only applies to one engine it says so.

Tools and parts for these checks

Links below are Amazon affiliate links: as an Amazon Associate, toyotadata earns from qualifying purchases, at no extra cost to you. Confirm fitment for your exact truck before you order.

ITEMUSED FORBUY
Steering stabilizerDamping shimmy once worn parts are fixed (not a cure on its own)Shop on Amazon
Outer tie rod endsReplacing worn tie rod endsShop on Amazon
Pry bar setChecking ball joints, bushings and tie rod ends for playShop on Amazon
Driveshaft U-jointReplacing a worn U-jointShop on Amazon

More 3rd Gen 4Runner problems

All 16 3rd Gen 4Runner symptoms in the interactive troubleshooter →

General guidance from owner experience. Confirm torque specs, fluid capacities and procedures in the factory service manual. Brakes, steering and anything structural: if in doubt, have a qualified shop inspect it before driving.