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Parts for your 2020 Toyota Land cruiser-Brake booster
DBA Dual Diaphragm Brake Booster Landcruiser 80 Series (2 Bolt Brake Master Cylinder) - DBAMV1003
DBA Dual Diaphragm Brake Booster Landcruiser 80 Series (4 Bolt Brake Master Cylinder) - DBAMV1004
DBA Dual Diaphragm Brake Booster Landcruiser 70 Series 8/1999 - 8/12 - DBAMV1002
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2020 Toyota Land Cruiser Brake Booster — Purpose, Service and Replacement
Yes, the 2020 Toyota Land Cruiser (J200 Series) is fitted with a vacuum brake booster. This is confirmed in Toyota’s New Car Features for the 200 Series (brake system overview), the Toyota Repair Manual BR section for J200, and the Toyota Electronic Parts Catalogue, which lists a “Booster Assy, Brake” for 2016–2021 J200 variants (both 3UR-FE petrol and 1VD-FTV diesel, the latter supplied by a vacuum pump). Those technical sources make it clear the brake booster is a standard component on the 2020 Land Cruiser’s hydraulic braking system.
The brake booster’s job is to amplify pedal effort using engine vacuum, so the driver gets strong, progressive braking without having to stand on the pedal. On the petrol V8, vacuum is pulled from the intake manifold, on the diesel V8, a dedicated vacuum pump feeds the booster. A one-way check valve helps the system hold assist, even with a brief loss of vacuum. It’s all about confident stops, better control in traffic and off-road, and reduced driver fatigue on long hauls across NZ and Australia.
There’s no set replacement interval for the booster, but it should be checked during routine servicing. A quick at-home functional check is simple: with the engine off, pump the brake pedal a few times to firm it up, then start the engine, the pedal should sink slightly as vacuum assist kicks in. During scheduled services, a technician should confirm the condition of the vacuum hose, check valve operation, and listen for any hissing from the booster shell that could suggest a diaphragm leak.
- Hard brake pedal with increased stopping distances
- Hissing noise at the pedal or booster area
- Engine idle changes when pressing the brake (vacuum leak)
- Longer pedal travel with poor assist feel
If replacement is needed, it’s wise to choose a genuine or high-quality OEM booster and renew the gaskets and vacuum hose if they’re aged or oil-soaked. The master cylinder is usually unbolted and moved aside, lines supported to avoid stress. The booster pushrod length must be set to spec to prevent drag or long travel. After refit, a road test and a brake performance check are essential. If brake pipes were opened, a fluid flush and bleed is a must. Look after the booster and the Land Cruiser will keep pulling up straight and true, whether it’s loaded with camping gear or towing the boat down to the ramp.
Popular questions
Does the 2020 Land Cruiser definitely have a brake booster?
Yes. Both petrol and diesel J200 models use a vacuum brake booster. Diesel variants use a vacuum pump to supply it, while petrol models use manifold vacuum.
What are the signs the brake booster is failing on a 200 Series?
A hard pedal, hissing from the dash/booster area, poorer stopping, or a change in engine idle when braking all point to a vacuum or diaphragm issue.
Should the booster be replaced preventatively?
There’s no fixed kilometre interval. Replace only if it’s leaking, failing the functional test, or contaminated. Routine inspections during scheduled servicing are the best approach.