Parts for your 1989 Mitsubishi Pajero-Ball joints

1989 Mitsubishi Pajero ball joints — what they do and when to replace them

Ball joints are absolutely relevant to the 1989 Mitsubishi Pajero. Technical sources including the Mitsubishi Pajero/Montero Factory Service Manual for first‑generation models (1983–1991), Gregory’s Service and Repair Manual No. 254 (Pajero 1983–1996), and the Haynes Montero/Pajero manual confirm the front suspension is independent double‑wishbone with torsion bars, using an upper and a lower ball joint per side to connect the steering knuckle. If you’ve got a ’89 Pajero—short or long wheelbase, petrol or diesel—those front ball joints are part of the suspension by design.

On this vintage 4x4, the ball joints act as pivots that let the front wheels move up and down with the suspension while still steering left and right. They carry vehicle weight, keep the alignment steady, and help the tyres track true on and off the bitumen. When they’re healthy, steering feels tidy and predictable, when they’re tired, the front end can wander and clunk, and tyre wear can spike.

• Common wear signs: clunks over bumps, steering shimmy, vague on‑centre feel, uneven or feathered tyre wear, and a metallic knock when braking or taking off.
• Quick checks: inspect dust boots for splits or grease leakage, jack the front and rock the wheel top‑to‑bottom while a mate watches the joints, listen for play as you lever the control arm.

Servicing advice for a 1989 Pajero ball joint setup is pretty straightforward. Inspect at regular service intervals (many shops check every 10–20,000 km, or sooner if it works hard off‑road). If a boot is torn or there’s measurable play, replace the joint—don’t just re‑grease and hope. It’s smart to do them in axle pairs (both uppers or both lowers) and follow the workshop manual procedure for separating the taper, seating the new joint, and tightening to spec. After any ball joint work, book a wheel alignment—camber and caster can shift on these front ends. If you’re choosing parts, quality OEM‑equivalent joints with proper dust boots and, if available, grease nipples suit Aussie and Kiwi conditions where water crossings and corrugations are common. A quick post‑install recheck after a few hundred kilometres is a good shout to make sure everything’s settled nicely.

Technical sources referenced: Mitsubishi Pajero/Montero Factory Service Manual (1983–1991) front suspension section, Gregory’s Service and Repair Manual No. 254 (Pajero 1983–1996), Haynes Montero/Pajero manual covering upper/lower ball joint inspection and replacement procedures.

Popular questions

Does a 1989 Mitsubishi Pajero have upper and lower ball joints?
Yes. The first‑gen Pajero uses independent front suspension with an upper and lower ball joint per side. That’s how the steering knuckle links to the control arms while allowing both suspension travel and steering movement.

How often should Pajero ball joints be inspected?
Have them checked at routine services—about every 10–20,000 km is common practice. If the vehicle sees heavy off‑road work, towing, or corrugations, shorten the interval. Any torn boot, play, clunk, or odd tyre wear warrants a closer look.

Do I need a wheel alignment after replacing ball joints?
Definitely. Changing ball joints can alter camber and caster on the Pajero’s double‑wishbone front end. An alignment will bring steering feel and tyre wear back into line.