Parts for your 2017 Isuzu D-max-Universal joints

2017 Isuzu D‑MAX universal joints — what they do and how to look after them

Yes, the 2017 Isuzu D‑MAX uses universal joints (uni joints). This is confirmed in the Isuzu D‑MAX (TFR/TFS) Workshop Manual, Propeller Shaft/Universal Joint section, which details front and rear prop shafts with uni joints (and a centre bearing on some wheelbases). The 2017 Owner’s Manual maintenance schedule also notes propeller shaft lubrication and inspection points. Aftermarket application catalogues (e.g., Dana Spicer/Isuzu listings for 2012–2019 D‑MAX) likewise specify serviceable uni joints for the tailshaft and front shaft on 4x4 variants.

On a ute like the D‑MAX, uni joints sit at each end of the tailshaft (and on the front shaft for 4x4), allowing the shaft to transmit torque while the diff and gearbox/transfer angles change over bumps and under load. They’re the flexible hinges that keep the driveline smooth when the chassis twists, the suspension articulates, and the power keeps coming.

Most Australian and New Zealand–delivered 2017 D‑MAX models run greasable uni joints and a greasable slip yoke, though some variants may be fitted with sealed-for-life joints. Greasable types like a shot of quality NLGI #2 lithium complex grease every service (or sooner if you’re in mud, dust, water crossings, or towing heavy). If sealed, focus on regular inspection and replacement at the first sign of wear.

• Typical wear signs: a chirp or squeak at low speed, a click or clunk on take‑off/shift, vibration that changes with road speed, visible red dust around a cap, or play in the joint.
• Service tips: support the tailshaft safely, keep grease nipples clean, pump until fresh grease purges from all four caps, and check the centre bearing and slip spline for play.

Replacement is straightforward for a competent tech: mark the yokes for phasing, remove the tailshaft, press out the old caps, clean the bores, fit the new uni joint with correct clip seating, then torque the flange bolts to spec from the workshop manual. Always maintain correct phasing and balance. If a vibration persists after replacement, have the shaft professionally balanced and verify driveline angles, especially on lifted vehicles.

For harsh use—outback corrugations, beach work, or towing—consider shorter grease intervals. Uni joints are cheap insurance: staying on top of them keeps the D‑MAX smooth, quiet, and ready to haul.

Are D‑MAX uni joints greasable or sealed?

Many 2017 D‑MAX utes in AU/NZ have greasable uni joints and a greasable slip yoke from factory, but some trims may use sealed-for-life joints. A quick look under the vehicle will tell you: if you see grease nipples on the uni joint caps, they’re serviceable. If not, they’re sealed and should be replaced once wear shows.

How often should the tailshaft be greased on a 2017 D‑MAX?

At every service is a good baseline, and more often if you’re in mud, sand, water, or doing lots of towing. Pump fresh grease until it purges evenly from each cap. Don’t forget the slip yoke and check the centre bearing while you’re there.

What are the signs a D‑MAX uni joint is failing?

Listen for squeaks at low speed, clunks on take‑off, or a speed‑related vibration. You might also spot reddish dust around a bearing cap or feel free play when you twist the shaft by hand. If any of these pop up, plan a replacement before it lets go and damages the tailshaft or flanges.