2930011021 Toyota PUMP ASSY VACUUM, Price: 306.66$, Weight: 1.087kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
2930011021 |
PUMP ASSY VACUUM |
0 |
1.087 |
7-10 |
306.66$ |
| Not Available | ||||||
Originals
Vacuum Pump Assembly for Toyota Vehicles 🚗
This OE-style vacuum unit feeds constant negative pressure to the brake booster and key engine systems. It’s essential on diesel platforms that don’t make natural manifold vacuum, and on many turbo petrol engines that need a stable reserve. Built with a hard-anodized body, precision rotor, and oil-fed bushings for long life.
Why you need it
Strong vacuum means safe, light pedal effort and reliable control of EGR, VGT turbo actuators, and HVAC/4x4 devices. This assembly holds vacuum steady at idle and during hard acceleration, keeping assist and emissions systems consistent.
How it works 🛠️
Driven by the camshaft, a vane rotor spins in an eccentric chamber, sweeping air out to create −70 to −90 kPa. A built-in check valve stores vacuum when the engine is off. Engine oil lubricates and seals the internals; an O‑ring or gasket prevents leaks at the mounting face.
What happens if it’s broken ⚠️
Expect a hard brake pedal, longer stopping distance, hissing hoses, oil seep at the cover, and a high‑pitched whine. Turbo response may lag, idle can hunt, and low-vacuum fault codes may appear. Severe wear can shed metal into engine oil and mark the cam.
Tech tips ✅
Always install a new O‑ring/gasket, pre‑lube the rotor, and torque bolts evenly. After fitting, check vacuum with a gauge (20–27 inHg). Inspect booster check valve and hoses. Use quality oil and timely changes to extend service life.