Parts for your 2019 Mitsubishi Asx-Clutch master cylinder

2019 Mitsubishi ASX clutch master cylinder

Technical references including the Mitsubishi ASX/RVR workshop manual (GA-series clutch section) and the Mitsubishi ASA electronic parts catalogue show that 2019 ASX models fitted with the 5‑speed manual transmission use a hydraulic clutch system with a clutch master cylinder. ASX models equipped with the CVT automatic have no clutch hydraulics and therefore do not use a clutch master cylinder.

On a 2019 Mitsubishi ASX with the manual gearbox, the clutch master cylinder is the heart of the hydraulic system that operates the clutch. Pressing the pedal pushes a piston inside the master, creating hydraulic pressure that travels through the line to the slave cylinder, which then moves the clutch fork to disengage drive. It’s what gives a consistent pedal feel and smooth gear changes, day in, day out.

As part of regular servicing, the clutch hydraulic fluid deserves the same attention as brake fluid because it’s the same spec fluid and is hygroscopic. Check the fluid level and condition at each service, top up only with the fluid grade printed on the reservoir cap or in the owner’s manual (typically DOT 3 or DOT 4). A fluid flush every 2 years or 40,000 km (often done with the brake fluid service) helps keep internal seals happy and corrosion at bay.

Common signs the clutch master cylinder is on the way out include a spongy or slowly returning pedal, difficulty selecting gears, a bite point that keeps creeping higher, or clutch fluid leaks down the firewall or inside near the pedal. If any of these show up, it’s wise to inspect both the master and the slave cylinder together.

• Replacement tips: use quality OEM-equivalent parts, bench-bleed the new master before fitting, and renew any tired rubber hoses.
• Fitment overview: disconnect the line, remove the pedal clevis pin, unbolt from the firewall, install and set the pushrod free play to spec, then bleed the system thoroughly.
• After-service checks: confirm pedal height and free play, verify a consistent bite point, and recheck for leaks under the bonnet and at the pedal.

Hydraulic clutches generally aren’t a scheduled replacement item, but proactive fluid care and early attention to leaks can save a headache. For Australia and New Zealand owners, a straightforward master cylinder swap is typically a 1–2 hour workshop job, and pairing it with a slave cylinder replacement can be smart insurance on higher‑kilometre cars.

Popular questions

Does a 2019 Mitsubishi ASX have a clutch master cylinder?
Yes, if it’s a manual. The 5‑speed manual ASX uses a hydraulic clutch with a master cylinder. CVT models don’t have or need a clutch master cylinder.

What fluid should be used, and how often should it be changed?
Use the grade printed on the reservoir cap or listed in the owner’s manual (typically DOT 3 or DOT 4). It’s good practice to flush the clutch hydraulic fluid about every 2 years or 40,000 km, often alongside the brake fluid service.

What are the signs the clutch master cylinder needs replacing?
Look for a soft or sinking pedal, a bite point that moves, difficulty engaging gears, or visible fluid leaks at the firewall or inside by the pedal. Any of these warrant inspection of both the master and slave cylinders.