Parts for your 2017 Subaru Exiga-Universal joints

2017 Subaru Exiga universal joints: what they do and how to look after them

Referencing the Subaru Factory Service Manual for the Exiga YA series (Propeller Shaft section), Subaru’s Global Technical Information System (STIS), and genuine Subaru parts catalogues, the 2017 Subaru Exiga (AWD) is fitted with a two-piece propeller shaft that uses cardan-type universal joints at the ends with a centre support bearing. The FSM specifies these U‑joints as non‑serviceable (staked) and directs replacement of the prop shaft assembly if wear or play is found. So, universal joints are absolutely relevant and used on the 2017 Exiga.

On the Exiga, the universal joints sit on the propeller shaft that runs from the transmission to the rear differential. Their job is to let the shaft transmit torque while the angles change as the body and suspension move. Without U‑joints, the AWD driveline would bind up and deliver vibrations, especially under load or on uneven roads. Subaru uses sealed, staked U‑joints here, which keeps things tidy and low maintenance but means there are no grease nipples and no scheduled lubrication.

For servicing, the smart play is regular inspection rather than lubrication. During routine services (say every 20,000–30,000 kilometres or at least once a year), a tech should check the prop shaft for free play at the joints, smooth rotation, and any rust-coloured dust near the bearing caps. A quick road test helps too: light clunks when taking off, a shudder on acceleration, or a steady vibration between about 60–100 km/h can all point to a tired U‑joint or centre bearing.

If wear is found, the factory guidance is to replace the complete propeller shaft assembly because the U‑joints are staked in. A quality driveline specialist can sometimes fit serviceable joints to a rebuilt shaft, but that’s outside normal workshop procedure. Replacement typically involves removing undertrays and heat shields, marking flange orientation, unbolting the flanges, supporting the shaft, and refitting with correct torque on the flange bolts. It’s also a good moment to assess the centre bearing rubber support.

Owners shouldn’t ignore warning signs. A failing U‑joint can escalate from a mild vibration to significant driveline damage if left to run. Done properly, a new or professionally rebuilt prop shaft restores that classic Subaru smoothness and keeps the Exiga happy on long Kiwi or Aussie road trips.

• Common symptoms to watch: clunk on take-off, vibration at highway speeds, chirping/squeaking that changes with road speed, visible play at the joint, or reddish dust near caps.
• Handy tip: keep tyre pressures and wheel balance in check first, then diagnose driveline vibration to avoid chasing the wrong issue.

Popular questions about 2017 Subaru Exiga universal joints

How do you spot a worn universal joint on a 2017 Subaru Exiga?

Tell-tales include a dull clunk when shifting from reverse to drive, a shudder under load, or a steady-speed vibration that doesn’t change with engine revs. Underneath, any looseness at the joint, dry-looking reddish dust around the caps, or notchy movement when the shaft is rotated by hand suggests wear.

A quick elimination tip: if the vibration persists with the transmission in neutral while coasting, it’s more likely driveline (U‑joints/centre bearing) than engine-related.

Can the Exiga’s prop shaft U‑joints be greased or replaced individually?

From factory, they’re sealed and staked, so there are no grease nipples and Subaru doesn’t specify individual joint replacement. The standard fix is a complete propeller shaft assembly.

Some driveline shops can convert or rebuild with serviceable joints, but that’s a specialist job. It can be cost‑effective, yet quality and balance are critical, so choose a reputable workshop.

What mileage do U‑joints usually last on a Subaru Exiga?

There’s no set interval. Many last well beyond 150,000–200,000 kilometres if the shaft isn’t impacted and the centre bearing remains healthy. High torque loads, off‑bitumen use, or salt exposure can shorten life.

Regular inspections during scheduled servicing are the best approach—catching early play or noise prevents knock‑on damage to flanges, bearings, or the differential.