Parts for your 2018 Toyota Hilux-Universal joints

2018 Toyota HiLux universal joints: what they do and how to look after them

Yes, universal joints are absolutely relevant on the 2018 Toyota HiLux. Toyota’s workshop manual for the AN120/AN130 series (2015–2020) and the Toyota Electronic Parts Catalogue both show the propeller shaft(s) using universal joints (U-joints). Most 4x4 variants run U-joints at the rear shaft and a double‑cardan (two U-joints) or conventional U-joint arrangement on the front prop shaft, while 4x2 models use U-joints on the tailshaft. Aftermarket driveline catalogues list service kits for these Hilux U-joints as well.

On the HiLux, U-joints allow the tailshaft to transmit torque at changing angles between the transmission/transfer case and the diffs as the suspension moves. That keeps things smooth and avoids binding. When they wear, you’ll often notice driveline clunks on take‑off, a rhythmic vibration at highway speed, or a chirp/squeak at low speed that changes with vehicle speed.

Servicing is straightforward. Many Aussie and Kiwi HiLux utes came with greaseable U-joints, if yours has grease nipples, give them a pump of quality NLGI 2 lithium‑complex EP grease at every service (or 10,000–20,000 km), and after deep water crossings, beach work, or dusty corrugations. If the joints are sealed (no grease nipples), inspect at each service for play, dry caps, rust bleed at the seals, or heat discolouration, and replace at the first sign of wear.

• Listen/feel for: take‑off clunk, on‑throttle shudder, and speed‑related vibration.
• Visual checks: missing/damaged circlips, rust bleed from bearing cups, loose flange bolts, dry slip joint.
• Greasing tip: wipe nipples clean first, don’t overfill—stop when fresh grease appears at the seals.

When it’s time to replace, mark the shaft and flanges so you keep the original phasing and orientation, support the shaft to protect the slip joint, and torque fasteners to spec per the Toyota repair manual. If one U-joint is flogged out, the other is often not far behind—many techs replace both ends of a shaft together. If there’s any roughness in the slip yoke or excessive spline play, consider a complete shaft exchange and get the assembly balanced. Driving with a failing U-joint can escalate quickly—if a joint lets go at speed, it can cause major underbody damage, so don’t put it off.

Refer to the Toyota workshop manual and EPC for your exact VIN and driveline type to confirm joint style, part numbers, and torque data.

Popular questions

How often should the 2018 HiLux universal joints be greased?

If your HiLux has greaseable U-joints, aim for every 10,000–20,000 kilometres, or at each service. After water crossings, beach work, or prolonged dust, give them an extra hit. If they’re the sealed type with no nipples, there’s no greasing—just inspect routinely and replace on wear.

What are the warning signs of worn U-joints on a 2018 HiLux?

Common flags are a clunk on take‑off or when selecting drive, a vibration that comes in at certain speeds or under load, and a chirp or squeak that rises with road speed. Rust bleed around the bearing caps and any detectable play when the shaft is unloaded are also red flags.

Can worn U-joints cause highway vibrations around 100 km/h?

They can, and often do. A notchy or loose U-joint upsets driveline angles and balance, showing up as a speed‑related buzz. Also check tailshaft phasing, tyre balance, and diff/transfer case mounts, but don’t ignore even slight U-joint play—it tends to get worse quickly.