Montero GarageMontero, Pajero and Shogun — your garage and the reference behind it

Browsing all vehicles

Front end sits low — settled torsion bars

The front suspension on this generation is sprung by torsion bars, and a torsion bar is a coil spring that has been straightened out: it settles with age exactly as a coil spring does, and it settles further and unevenly once a winch bumper or a bull bar goes on the front. The one cited club thread is about a later, second-generation truck, not this one — the torsion-bar front end carried over, but nobody in the sources has confirmed the detail on a first-generation truck, which is why this entry carries the site's weakest confidence tier. Owners in that thread describe the layout — an anchor arm at the chassis end of each bar with an adjusting nut and a locknut, the adjuster hidden under a domed rubber cover that is the reason most people cannot find it — and the fact that slackening the locknut and tightening the adjusting nut raises that corner. Two cautions the thread does not spell out and this page will. Raising the front changes the front geometry, so a wheel alignment belongs in the same visit. And ride height is not free travel: the higher you wind it, the less suspension is left and the harder it rides. Suspension is safety-critical; if you are not confident setting both sides equally, have a qualified mechanic do it with the alignment.

Gen 11983–1991US · CR · UK · AU · JDM · EU · GLOBALWorks worseAnecdotalSafety-critical

Drive normallyManeje normalmente

Safety notice — Suspension.

This affects a safety-critical system. Reference material only: for safety-critical work, consult a qualified mechanic.

Esto afecta un sistema crítico para la seguridad. Material de referencia únicamente: en trabajos críticos para la seguridad, consulte a un mecánico calificado.

Anecdotal. This entry is not backed by factory documentation — treat its values and steps as a starting point, not as if they came from the factory manual.

Anecdótico. Esta entrada no se apoya en documentación de fábrica — tome los valores y los pasos como punto de partida, no como si vinieran del manual de fábrica.

Symptoms

  • The truck noses down — the front wheel arch gap is visibly smaller than the rear
  • One front corner sits lower than the other on level ground
  • The front tyres are wearing faster on their inner edges
  • The front suspension bottoms out over bumps it used to take

Likely causes

  1. The torsion bars have simply settled over decades, as springs do
  2. Weight was added to the front — a bumper, a winch, a bull bar — and the adjusters were never reset for it
  3. The adjusting nut and its thread have seized with rust and will no longer turn
  4. The rear springs have collapsed, so the truck's stance only looks like a front problem

Diagnostic steps

  1. On level ground, with the tyres at equal pressure, measure from the ground to the same point on each front wheel arch and compare the two figuresPoints toThe torsion bars have simply settled over decades, as springs do · Weight was added to the front — a bumper, a winch, a bull bar — and the adjusters were never reset for it
  2. Measure the rear corners the same way before touching anything at the front, so you know which end has actually movedPoints toThe rear springs have collapsed, so the truck's stance only looks like a front problem
  3. Find each adjusting nut — it hides under a domed rubber cover on the anchor arm — and try the locknut with a spanner to see whether the thread will move at allPoints toThe adjusting nut and its thread have seized with rust and will no longer turn
  4. Write down everything hanging off the front of the truck that did not leave the factory on itPoints toWeight was added to the front — a bumper, a winch, a bull bar — and the adjusters were never reset for itRules outThe torsion bars have simply settled over decades, as springs do

Fix paths

Reset the torsion bar adjusters

$Difficulty 3/5

Slacken the locknut, wind the adjusting nut in, and set both sides to the same measured height rather than by eye. Do it in small equal steps, front and side, and finish with a wheel alignment.

Free or renew the seized adjuster hardware

$–$$Difficulty 3/5

Penetrating oil, patience and heat before force. Winding a seized adjuster with a rattle gun is how the anchor arm and the thread both get destroyed, and that turns a free adjustment into a parts hunt.

Fit heavier-rate torsion bars

$$–$$$Difficulty 4/5

If the bars are genuinely tired, or the truck permanently carries winch and bumper weight, heavier bars restore the height without winding the standard bars to the end of their adjustment.

Renew the rear springs

$$Difficulty 3/5

If the measurements say the rear has dropped, fixing the rear is the repair and winding the front up to match is cosmetics on top of a fault.

Sources

  1. Mitsubishi Pajero Owners Club (UK) forum — "Adjusting torsion bars (front suspension)": the thread concerns a 1997 long-wheelbase Pajero, a second-generation truck rather than a first-generation one, and members describe the anchor arm and anchor bolt layout, that slackening the locknut and tightening the adjusting nut raises the suspension, that the adjuster hides under a domed rubber cover, and that added front weight settles the ride height unevenly between sidesOwner forumarchived copy