Parts for your 2014 Holden Commodore-Oil pump

2014 Holden Commodore Oil Pump – What It Does, Why It Matters, and When to Service It

Technical sources including the Holden VF Commodore Service Manual (Engine Mechanical), GM Global Service Information for the LFX/LFW V6 and L77/LS3/LSA V8 engines, and GM Genuine/ACDelco parts catalogues confirm that every 2014 Holden Commodore runs a crankshaft-driven engine oil pump. It’s absolutely relevant and always fitted on these petrol engines.

The oil pump is the heart of the lubrication system. It draws oil from the sump and pushes it under pressure through galleries to bearings, camshafts, lifters, timing components and—on certain engines—cam phasers and AFM hardware. On the VF’s High Feature V6 (3.0/3.6), a variable-displacement design helps balance flow and efficiency, on the Gen IV V8s (6.0/6.2), a gerotor-style pump is mounted on the crank snout behind the timing cover. Without proper oil pressure, metal parts touch, heat skyrockets, and the engine can be damaged in minutes.

This pump isn’t a routine “replace at X kilometres” item. It’s designed to last the life of the engine if serviced with the right oil and intervals. The smartest maintenance is simple: use the specified dexos-approved oil in the correct viscosity, stick to the logbook service schedule, and always fit a quality filter. Keeping oil clean and at the right level massively extends pump life and protects the whole engine.

Signs it’s time to investigate an oil pump or lubrication issue:

• Low oil pressure warning light or gauge reading, especially hot at idle
• Top-end ticking, lifter noise or brief rattle on cold start that worsens
• Cam timing or AFM faults (where fitted) that relate to oil pressure/flow
• Metallic knock, rising temps, or a chattering oil pressure relief valve

If replacement is required, it’s a front-of-engine job. Expect crank pulley/balancer removal and front cover access. Best practice includes:

• Diagnose first: verify pressure with a mechanical gauge and check the oil pressure sensor
• Use new seals and gaskets, on V8s, the pickup O-ring is a known must-replace
• Prime the pump with assembly lube and pre-oil the system before first start
• Torque fasteners to spec and align the pump to the crank properly
• Refill with the correct oil and recheck hot idle pressure after a careful road test

For everyday owners, staying on top of oil quality and level is the best protection. For higher kilometre cars, or vehicles driven hard, more frequent oil changes are cheap insurance—especially in Aussie and Kiwi heat.

Does a 2014 Holden Commodore have an oil pump?

Yes. All VF engines—V6 and V8—are factory-fitted with a crank-driven oil pump. This is documented in the Holden VF Service Manual and GM Global Service Information for the LFX/LFW V6 and L77/LS3/LSA V8 families.

When should the oil pump be replaced?

It’s not a scheduled item. Replace only if testing shows low oil pressure, there’s confirmed internal wear, or the relief valve is sticking. Always verify with a mechanical pressure gauge and rule out a faulty oil pressure sensor, thin/contaminated oil, or a blocked pickup.

What’s the best way to look after the oil pump?

Use the correct dexos-approved oil and change it as per the logbook (more often if towing or in hot, dusty conditions). Keep the oil level on the mark, use a quality filter, and investigate any pressure warnings or rattles immediately to avoid engine damage.