Parts for your 2000 Holden Commodore-Starter motor

2000 Holden Commodore starter motor — what it does and how to keep it humming

Yes, the 2000 Holden Commodore uses a conventional 12‑volt electric starter motor. This is documented in the Holden Commodore VT/VX Series Workshop Manual (GMH), Gregory’s Service and Repair Manual for VT–VX, and major parts catalogues from Bosch and ACDelco covering the 3.8‑litre Ecotec V6 (including supercharged variants) and the 5.7‑litre LS1 V8. All list a bellhousing‑mounted starter engaging the flywheel/flexplate ring gear, making the starter motor absolutely relevant to this model year.

On a 2000 Commodore, the starter motor’s job is simple but vital: when the key is turned, the solenoid shoves the pinion into the ring gear and spins the engine fast enough for the ECU, fuel and ignition to take over. Once it fires, the pinion retracts and the starter sits idle until next time. If that first spin doesn’t happen, nobody’s going anywhere.

As part of routine servicing, it’s smart to look after the things that keep the starter happy. A strong battery is essential, as are clean, tight battery terminals and a solid engine earth strap. Heat can be a starter’s enemy—especially on V8s—so make sure any heat shields are intact. Listen for warning signs like a single click, slow cranking, intermittent no‑crank when hot, or a grinding noise on engagement. If cranking is sluggish, a voltage‑drop test across the main cables and a starter current‑draw test will quickly tell whether the issue is the battery, cabling, or the starter itself.

• Common symptoms: slow crank, click with no spin, intermittent hot no‑start, grinding on engagement.
• Quick checks: battery health, terminal cleanliness, engine/body earths, starter relay and ignition switch operation, neutral/park safety switch.

Replacement is straightforward for a competent DIYer with axle stands, but many owners will prefer a workshop. Typical steps include disconnecting the negative battery terminal, safely raising the vehicle, unplugging the solenoid connector, removing the main B+ cable, then undoing the two mounting bolts and swapping the unit. Inspect the ring gear teeth while you’re there. Use the correct replacement for the engine variant (V6 vs LS1), transfer any heat shields, and torque fasteners to workshop‑manual specs. Rebuilt units are fine if they come from a reputable supplier, otherwise a new OE‑quality starter offers peace of mind. Starters aren’t a scheduled replacement item, but a quick inspection each service and proactive cable maintenance will help the Commodore crank first go for years.

Popular questions about 2000 Holden Commodore starter motors

Where is the starter motor located on a 2000 Commodore?
It’s bolted to the transmission bellhousing, engaging the flywheel/flexplate ring gear. On V6 models it’s low on the passenger side, on LS1 V8s it’s also low and tucked near the exhaust, so heat shielding is important. Access is usually from underneath with the car safely raised.

How can someone tell if it’s the starter or the battery?
If lights and accessories are strong but there’s a single click or no crank, suspect the starter or its control circuit. Dim lights and slow cranking point to the battery or poor connections. A quick voltage‑drop and current‑draw test will pinpoint it: low voltage at the starter under load means cabling or battery, normal voltage with high current and no spin suggests the starter is binding.

Can a failing starter be repaired, or should it be replaced?
Both are options. Many faults are due to worn brushes, a tired solenoid, or a dragging armature—these can be rebuilt by an auto‑electrician. If the housing, drive or commutator is badly worn, a quality new or factory‑rebuilt unit is usually the better bet. Always match the unit to the exact engine and transmission.