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Parts for your 1988 Mitsubishi Pajero-Brake wheel cylinders
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1988 Mitsubishi Pajero brake wheel cylinders – what they do and how to look after them
Yes, brake wheel cylinders are used on the 1988 Mitsubishi Pajero. Technical references including the Mitsubishi Pajero L040/L140 Factory Service Manual (1982–1991), the Mitsubishi ASA electronic parts catalogue, and common aftermarket workshop manuals for 1983–1991 Pajero/Montero confirm that Australian and New Zealand–delivered 1988 models typically run rear drum brakes with hydraulic wheel cylinders, while the fronts are disc brakes with calipers.
On the rear axle, each wheel cylinder converts hydraulic pressure from the master cylinder into a pushing force that spreads the brake shoes against the inside of the drum. It’s simple, robust kit—perfect for a hard-working 4x4 like a first‑gen Pajero. When the driver releases the pedal, springs pull the shoes back and the wheel cylinder pistons return, ready for the next stop.
Looking after the brake-wheel-cylinders on a 1988 Mitsubishi Pajero is mostly about regular checks and fresh fluid. Old fluid attracts moisture, which corrodes the bore and swells the rubber cups, leading to leaks and a soft pedal. A tidy set of cylinders keeps the pedal feel firm and the stopping power consistent, on-road or out in the bush.
- Common symptoms of trouble: dampness or weeping under the rubber boots, uneven rear braking or pulling to one side, a sinking/soft pedal, contaminated shoes, and brake fluid loss.
- Service rhythm: inspect at each service, and flush brake fluid every 2 years or around 40,000 km using the spec in the manual (DOT 3 or DOT 4).
When replacing, it’s smart practice to do both sides of the axle so braking stays balanced. Confirm the correct bore size for the exact variant (SWB/LWB, diesel/petrol can differ), and use a quality flare-nut spanner on the hard lines to avoid rounding. Pre-lube the new cylinder cups with clean brake fluid, keep grease away from the linings, and always bleed the system thoroughly.
- Check drums for scoring and diameter, machine or replace if out of spec.
- Renew rear shoes if soaked with fluid—cleaning rarely restores them properly.
- Free off and adjust the shoe adjusters, set the handbrake after bleeding.
If the bore is pitted, a new cylinder usually beats a rebuild for longevity. For a tidy result, pair fresh cylinders with new shoes and a fluid flush—the Pajero will reward it with dependable, straight-line stops.
Popular question: Does a 1988 Pajero have wheel cylinders on the rear?
Most Australian/NZ 1988 Pajero L040 models use rear drum brakes with hydraulic wheel cylinders. Some later or specific high-spec variants adopted rear discs, so it’s worth checking the VIN and axle code or the backing plate—if there’s a drum and shoes, there’s a wheel cylinder.
Popular question: What brake fluid should be used, and how often should it be changed?
Use the grade specified on the reservoir cap or in the factory manual—typically DOT 3 or DOT 4. Fresh fluid every 2 years (or around 40,000 km) helps prevent internal corrosion of the wheel cylinders and keeps the pedal feel consistent.
Popular question: Can a leaking wheel cylinder be rebuilt, or is replacement better?
Rebuild kits exist, but if the bore is pitted or corroded, replacement is the better long-term fix. Either way, address both sides of the axle together to maintain balanced braking and even wear.
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