Parts for your 2015 Toyota Prius-Universal joints

2015 Toyota Prius universal joints — are they actually used?

Short answer: for the drivetrain, no. On the 2015 Toyota Prius (ZVW30), the typical “universal joint” people think of — the cross‑type U‑joint used on a rear propeller shaft — isn’t fitted. The Prius is a front‑wheel‑drive hybrid with an integrated transaxle and two front drive shafts that use constant‑velocity (CV) joints, not U‑joints. This layout is detailed in Toyota’s New Car Features for ZVW30 and the Repair Manual front drive shaft section, which specify Rzeppa‑type CV joints at the hubs and tripod or DOJ‑type CV joints inboard. The Toyota Electronic Parts Catalogue for ZVW30 also shows no propeller shaft assembly for 2015 models because there’s no rear drive. AWD wasn’t offered on Prius until much later (AWD‑e arrived in 2019).

Why not use universal joints? A U‑joint doesn’t transmit constant angular velocity when operating at an angle, which would introduce vibration and speed fluctuation through the steering range. That’s fine for a long, nearly straight rear prop shaft in a ute or 4x4, but not OK for a front drive axle that must steer and articulate over bumps. CV joints maintain constant speed through wide angles, so they’re the right choice for the Prius’ front‑drive packaging and smooth hybrid feel.

Worth noting: there is a small universal joint built into the steering intermediate shaft on many Toyotas, including the Prius, but that’s a steering component, not a driveline U‑joint. It isn’t a routine service item. If the steering ever feels notchy or binds, technicians check the intermediate shaft for corrosion or play and replace the shaft as an assembly if required (per the steering column/intermediate shaft procedures in the Toyota Repair Manual).

• Drivetrain: uses CV joints on front drive shafts, no U‑joints.
• No propeller shaft on 2015 Prius, it’s FWD only.
• Steering: may have a small U‑joint in the intermediate shaft, inspected only if symptoms appear.

Technical references: Toyota New Car Features (ZVW30), Toyota Repair Manual (Front Drive Shaft and Steering Column/Intermediate Shaft sections), and Toyota Electronic Parts Catalogue for 2015 Prius.

Popular questions

Does a 2015 Prius have universal joints?
For the driveline, no. It uses CV joints on the front axles. Some cars have a small U‑joint in the steering intermediate shaft, but that’s a steering part and isn’t the “prop‑shaft U‑joint” people usually mean.

Hearing clicking on turns — is that a bad universal joint?
On a 2015 Prius, clicking on full lock is more likely an outer CV joint or a split CV boot rather than a U‑joint. A technician will check the axle boots for grease leaks, play in the joint, and replace the affected CV axle or reboot it as needed.

Is there any maintenance for the Prius steering U‑joint?
There’s no scheduled maintenance. During servicing, mechanics may check for free play, rust, or binding if the steering feels off. If worn or seized, the intermediate shaft is replaced as an assembly, it isn’t lubricated or rebuilt on‑car.