Parts for your 2020 Toyota Prius-Cv boots

2020 Toyota Prius CV boots — purpose, care, and when to replace

Authoritative technical sources confirm CV boots are used on the 2020 Toyota Prius. The Toyota Repair Manual (TIS) for the ZVW50/ZVW51 Prius — Front Drive Shaft Assembly — details inspection and replacement of inner and outer CV joint boots, and the Toyota Electronic Parts Catalogue lists “Boot, Front Drive Shaft Inboard Joint” (PNC 43448) and “Boot, Front Drive Shaft Outboard Joint” (PNC 43447) for this model. AWD‑e variants also have rear half‑shaft boots. So yes, CV boots are absolutely relevant to servicing a 2020 Prius.

On this Prius, CV boots are the flexible rubber sleeves that seal grease inside each constant‑velocity (CV) joint and keep water, dust and road grit out. They flex with suspension travel and steering lock, protecting the finely machined bearings that deliver smooth, quiet drive to the wheels. A healthy boot means a long‑lived CV joint, a split boot rapidly leads to grease loss, contamination and, eventually, an expensive axle replacement.

As part of regular servicing in Australia and New Zealand, the CV boots should be inspected at every scheduled service (typically every 12 months or 15,000 km). Given our mix of heat, UV exposure, and unsealed roads, rubber can harden and crack earlier than expected, so a quick look pays off.

• What to look for: hairline cracks, splits at the bellows, weeping grease, loosened or rusty boot bands, and grease flung around the inner guard, control arms or wheel.
• Symptoms of joint damage: clicking or clacking on full lock when taking off, vibration under acceleration, or noticeable play when the shaft is manipulated with the wheel off the ground.

If a boot is compromised but the joint hasn’t started clicking, a boot kit is the smart fix. A proper repair uses new high‑moly CV grease, new clamps, and the correct boot orientation. Many workshops will remove the shaft, clean the joint, repack it, and refit a quality OEM‑spec or equivalent boot. If the joint is noisy or gritty, it’s usually more economical to replace the complete driveshaft assembly.

• Handy tips: avoid harsh solvents on rubber, rinse off road grime periodically, and have both inner and outer boots on each side checked together. AWD‑e owners should add a peek at the rear boots during routine servicing.

Popular questions

How often should CV boots be checked on a 2020 Prius?
They should be inspected at every scheduled service (about every 12 months or 15,000 km). High‑kilometre drivers or those on gravel roads might benefit from mid‑interval checks, as dust and UV can accelerate rubber ageing.

Can a torn CV boot be taped or glued?
No. Temporary wraps don’t seal grease or keep contaminants out. Once torn, the proper fix is a boot replacement with fresh grease and clamps. Quick attention can save the joint from premature wear.

Is it better to replace just the boot or the whole driveshaft?
If the joint is still smooth and quiet, a boot kit is cost‑effective. If there’s clicking on turns, metallic debris in the grease, or excessive play, replacing the complete shaft is usually the better long‑term solution.