Parts for your 1987 Suzuki Jimny-Ball joints

1987 Suzuki Jimny ball joints — what’s actually fitted and what to service

For the 1987 Suzuki Jimny (SJ413/Samurai), ball joints aren’t used on the front suspension or steering knuckles. Technical sources describe a live front axle with a closed steering knuckle that pivots on upper and lower kingpin (trunnion) bearings, not on ball joints. References include the Suzuki SJ413/Samurai Factory Service Manual (Front Axle/Steering Knuckle sections), the genuine Suzuki SJ413 parts catalogue (listing kingpin bearings, shims and knuckle seals, no upper/lower ball joints), and mainstream guides such as the Haynes Suzuki SJ410 & Samurai manual (1982–1994), all of which outline kingpin bearings and tie-rod/drag-link ends rather than suspension ball joints.

Why no ball joints? The ’87 Jimny runs solid axles front and rear with leaf springs. The steering knuckle “swivels” on tapered roller kingpin bearings inside a closed knuckle, with shims setting preload. This setup is simple, strong and well-sealed for off-road use across corrugations, creek crossings and muddy tracks common in AU/NZ conditions. Ball joints are typical on independent front suspension, the Jimny’s live axle doesn’t need them.

What often gets mixed up are the tie-rod and drag-link ends. They are ball-stud joints in the steering linkage and sometimes get advertised as “ball joints”. If someone’s chasing “Jimny ball joints”, chances are they actually need either a kingpin bearing (swivel hub) rebuild kit or new tie-rod/drag-link ends.

Good servicing practice on a 1987 Jimny focuses on the swivel hubs and steering linkage, not ball joints. Check for play at 12/6 and 3/9 o’clock, inspect for grease/oil weeps at the knuckle wiper seals, and look for steering shimmy after hitting bumps. If there’s wobble or feathered tyres, measure and set kingpin preload (shim adjustment), inspect/replace kingpin bearings, renew the knuckle wiper/seal set, and repack the CV/birfield with quality moly CV grease. While you’re there, check wheel bearings, torque the knuckle studs, and assess tie-rod/drag-link ends for slop. In harsh, muddy use, many owners rebuild the swivel hubs around every 40–60,000 kilometres, or sooner if water ingress is suspected. It’s a straightforward job with basic spanners and a spring scale, and it keeps that classic Jimny tracking straight and tight.

• Key parts instead of “ball joints”: kingpin (trunnion) bearings and shims, knuckle wiper/seal kit, tie-rod ends, drag-link end, wheel bearings.

Popular questions

Does a 1987 Suzuki Jimny have ball joints?
No. The SJ413/Samurai uses kingpin bearings in a closed steering knuckle on a live axle. Manuals and parts catalogues list kingpin bearings, shims and knuckle seals rather than upper/lower ball joints. The only ball-type joints you’ll find are in the steering linkage (tie-rod and drag-link ends).

What should be replaced if there’s front-end wobble or play?
Start with the swivel hubs: check kingpin bearing condition and preload, renew the wiper/seal set, and repack the CVs. Also inspect wheel bearings and the tie-rod/drag-link ends for slack. Sorting those typically cures shimmy and uneven tyre wear on an ’87 Jimny.

I asked for “ball joints” and got offered a kit—what’s the right part?
For this model, a “ball joint kit” is often a mislabelled swivel hub/kingpin rebuild kit or a set of tie-rod ends. If you’re fixing knuckle play or leaks, you want a kingpin (trunnion) bearing and seal kit. If the steering linkage has slop, order tie-rod ends and the drag-link end.