Parts for your 2007 Toyota Vitz|yaris-Cluth slave cylinder

2007 Toyota Vitz/Yaris clutch slave cylinder — what it is, and how to look after it

Based on Toyota technical references, the 2007 Toyota Vitz/Yaris with a manual gearbox does use a clutch slave cylinder (Toyota calls it the “Clutch Release Cylinder”). It’s documented in Toyota Service Information (TIS) repair procedures for clutch bleeding and release cylinder R&,R, and it appears in the Toyota Electronic Parts Catalogue for NCP90/91/93 and KSP90 models with C5x manual transmissions under part numbers such as 31470-52020 and 31470-52030. Automatic variants don’t have, nor need, a clutch slave cylinder.

On a 2007 Toyota Vitz/Yaris manual, the clutch slave cylinder is the hard-working little hydraulic unit that turns pedal pressure into movement at the gearbox. Press the clutch pedal and the master cylinder sends brake fluid pressure down a line, the slave cylinder then pushes the release fork to disengage the clutch so gears can be selected smoothly. In this model, it’s an external unit mounted on the transmission bellhousing, which keeps servicing simple and avoids gearbox removal.

Because it runs on brake fluid, clean fluid is everything. Old or contaminated fluid can swell seals and cause a spongy pedal or incomplete disengagement. A sensible service habit for Aussie and Kiwi conditions is to flush the clutch hydraulic fluid (DOT 3 or DOT 4, as per the cap/owner’s manual) about every 2 years or 40,000 km, and top up as needed. Always keep the reservoir clean and don’t mix fluid types.

When the slave starts to give grief, the car will usually tell the story:

• Soft or sinking clutch pedal, or the pedal not returning crisply
• Difficulty selecting reverse or first at a standstill
• Visible dampness or dust caked with fluid around the slave cylinder boot/bleeder
• Clutch disengagement point moving closer to the floor and fluid level dropping

Replacement on the Vitz/Yaris is straightforward for an external slave: crack the line with a flare-nut spanner, unbolt the cylinder, swap it out, then bleed the system. Use quality parts (Toyota/Aisin), inspect the flexible hose and release fork boot, and tighten fasteners to factory spec. While in there, a quick look at the master cylinder and the hard line is smart, especially on higher‑kilometre cars, if one cylinder is tired, the other may not be far behind.

Bleeding tips that save hassles: keep the reservoir topped up, use clear hose on the bleeder to watch for bubbles, and don’t over-stroke the pedal during manual bleeding. A pressure bleeder makes light work of it, but the classic two-person method works fine if done patiently.

Does a 2007 Toyota Vitz/Yaris have a clutch slave cylinder?

Yes—if it’s a manual. Toyota’s repair manual and EPC list a clutch release (slave) cylinder for 2007 Vitz/Yaris manual models. Automatics don’t use one because their driveline doesn’t have a manual clutch.

What fluid does the clutch system use, and how often should it be changed?

It uses brake fluid—DOT 3 or DOT 4 as indicated on the cap/owner’s manual. A practical interval is every 2 years or 40,000 km. Fresh fluid helps the seals last longer and keeps pedal feel consistent.

How long does replacement take, and what might it cost?

On an external slave like the Yaris, workshop time is typically 0.6–1.0 hour plus bleeding. Parts vary with brand—roughly AUD/NZD $70–$180 for quality units. Labour rates differ by region, so expect a modest overall bill compared with internal (concentric) systems.