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Autopapyrus · Volvo FH (2nd generation)
https://autopapyrus.com/guides/volvo/fh/checking-and-adjusting-front-wheel-toe/
Compiled automatically from service literature and owner experience. Specs are for the typical configuration — check them against your exact car before you start.

Volvo FH (2nd generation): Checking and Adjusting Front Wheel Toe

Toe on the Volvo FH is adjusted by changing the length of the tie rods. The procedure requires a 3D wheel alignment system to accurately measure the wheel alignment angles. The recommended check interval is every 15,000-20,000 km, or after replacing suspension or steering components.

Difficulty: Medium Time: 1-2 hours Steps: 12

Parts

2
№PartAlternatives
01 Tie rod assemblies with endsif worn Lemförder, TRW, Febi Bilstein
02 Lock nutsif worn

Tools

6
  • Computerized wheel alignment system (Hunter, Hofmann or equivalent)
  • 22/24/27 mm wrenches (depending on tie rod type)
  • torque wrench
  • hammer
  • penetrating oil
  • wire brush

Step by step

12 steps
  1. Position the vehicle on the alignment rack. Make sure the tire pressure is correct (usually 8-9 bar on the front axle) and that the cargo area is empty or matches the normal operating load.
  2. Attach the measuring heads to the wheels and calibrate the system according to the equipment manufacturer's instructions.
  3. Roll the vehicle forward and back to compensate for suspension play, then set the wheels to the straight-ahead position.
  4. Measure the current toe, camber and caster angles. Record the results.
  5. Compare the measured values with the specifications for the Volvo FH (typical front axle toe range: 0-2 mm per side, 0-4 mm total; exact values depend on the front suspension type and model year, so check the manufacturer's specifications or the alignment system database).
  6. If toe is out of tolerance, proceed with the adjustment. Apply penetrating oil to the threaded connections of the tie rods and let it soak in for 10-15 minutes.
  7. Loosen the lock nuts on both tie rods (the left and right are adjusted in sync to keep the steering wheel centered).
  8. Turn the tie rod adjusting sleeve: shortening the rod reduces toe-in (the wheel turns outward), and lengthening it increases toe-in (the wheel turns inward). Adjust each side in turn in small increments (1-2 turns), checking the readings on the alignment system.
  9. Once the required toe is reached, tighten the lock nuts to 200-300 N·m (148-221 lb-ft). The exact value depends on the tie rod type, so check the technical documentation. Hold the adjusting sleeve with a second wrench to keep it from turning.
  10. Perform a final measurement on the alignment system. Make sure the angles are within tolerance and the steering wheel is straight when driving in a straight line.
  11. Check the tightening torque of the tie rod end ball stud nuts (typical torque 150-200 N·m (111-148 lb-ft)) and install cotter pins if the design calls for them.
  12. Print the alignment report and keep it for the maintenance history.

Common mistakes and warnings

  • Adjusting toe on a truck without a 3D alignment system (by eye or with a tape measure) is not acceptable
  • An error of 1-2 mm leads to accelerated tire wear (a set of tires for the FH is expensive) and poorer handling at speed
  • If you find play in the ball joints of the tie rod ends or in the tie rods, adjustment is pointless
  • The worn parts must be replaced, and the alignment angles must then be set again
  • After the adjustment, always take a test drive and check that the vehicle does not pull to one side