Parts for your 2017 Holden Commodore-Drive belt

2017 Holden Commodore drive-belt — what it does and when to replace it

Based on technical sources — including the Holden VF Series II Service and Repair Manual, GM Service Information for the LFX V6 and LS3 V8 engines, and local parts catalogues from Dayco and Gates that list serpentine belts specifically for 2017 VF Commodore variants — this model absolutely uses a drive-belt (serpentine accessory belt). So it’s relevant kit on any 2017 Holden Commodore, whether it’s a V6 or V8.

The drive-belt’s job is straightforward but vital: it spins the alternator to keep the battery charged, turns the water pump to keep engine temps in check, and runs the air-con compressor so the cabin stays cool. On the VF II, these accessories are driven by a single, multi-rib serpentine belt managed by an automatic tensioner, which keeps the correct load on the belt as it wears.

For everyday owners, the belt is one of those “silent heroes” — out of sight, out of mind, right up until it squeals, cracks, or gives up. Regular inspections at each service (around every 10–15,000 km or 12 months) are smart, especially in Aussie and Kiwi conditions with heat, dust and stop–start driving. Most belts last in the ballpark of 90,000–150,000 km or 6–8 years, but time, contamination, and alignment issues can shorten that.

• Replace the belt if there are cracks across the ribs, fraying, missing chunks, glazing/shiny ribs, or if it squeals or chirps under load.
• Check the automatic tensioner and idler pulleys, if they’re noisy, wobbly, or the tensioner doesn’t move smoothly, swap them with the belt.
• Confirm routing with the under-bonnet decal or workshop data — V6 and V8 layouts differ.
• Keep the belt clean, oil or coolant contamination means replacement, not a wipe-down.

Owners who notice a flickering battery light, rising temps at idle, a rhythmic chirp on cold starts, or weak air-con at low rpm should get the belt and pulleys inspected promptly. Using a quality OE-equivalent belt (correct rib count and length for the specific engine and A/C setup) prevents headaches. A proper belt service is quick, affordable, and protects far pricier components.

FAQs

How often should the drive-belt be replaced on a 2017 Commodore?
It’s best checked every service and replaced at the first signs of wear. Many VF belts go 90,000–150,000 km or 6–8 years, but local conditions and accessory load can shift that either way.

What belt size does my 2017 Commodore use?
It depends on engine and equipment. V6 LFX and V8 LS3 use different lengths and sometimes different rib counts. The safest bet is to match by VIN/engine code using a trusted parts catalogue or the factory spec.

What else should be replaced with the belt?
Often the automatic tensioner and any idler pulleys, especially if they’re noisy or rough. It’s also wise to check pulley alignment and spin the water pump and alternator pulleys for smooth operation.