Parts for your 2016 Subaru Impreza-Starter motor

2016 Subaru Impreza starter motor — what it does and how to look after it

Yes, the 2016 Subaru Impreza uses a conventional 12‑volt starter motor. This is documented in Subaru’s factory service manual for the GJ/GP Impreza (Starting/Charging System section) and reflected in Subaru’s parts catalogues for the 2016 model year, which list a Denso-type starter assembly for the FB20 engine. Owner’s manuals for this generation also reference the starter system and related fuses/relays, confirming the part is fitted and serviceable.

On a 2016 Impreza, the starter motor’s job is simple but critical: it cranks the FB-series boxer engine fast enough for the ECU to fire fuel and spark, bringing the car to life. A solenoid on the starter shoves the pinion into the flywheel ring gear and spins it with high torque. Once the engine fires, the drive disengages so the starter doesn’t get over‑spun. It’s an old-school bit of kit, which is great news for reliability and repairability across Aussie and Kiwi conditions.

Good servicing habits go a long way. The starter draws hefty current, so a healthy battery is essential. If cranking sounds lazy after an overnight park, test the battery first. Then keep connections clean and tight: check the battery terminals, the main starter cable, and the engine earth strap for corrosion or looseness—especially if the car lives near the coast.

• Common signs it’s on the way out: a single click and no crank, slow cranking, intermittent starting, or a grinding noise as the pinion meets the ring gear.
• Quick checks: confirm battery voltage, inspect fuses/relays, and ensure the inhibitor switch (for CVT) is working. A voltage drop test on the starter feed and earth can pinpoint cable issues.

When replacement is due, it’s a straight-forward job for a competent DIYer with basic tools, but many owners will prefer a workshop. Disconnect the negative battery terminal, get safe access under the bonnet, and remove intake ducting if it’s in the way. The starter sits on the bellhousing, unplug the connector, undo the main power nut, then remove the mounting bolts and lift it out. Reverse to refit, making sure cables sit naturally with no twist or strain. Rebuilt or new OEM-spec units are both fine, weigh warranty and quality, not just price.

Pro tip for longevity: avoid long cranking sessions, if it doesn’t fire within a few seconds, pause and re-check the basics. With clean electrics and a strong battery, most Impreza starters run reliably for many years and hundreds of thousands of kilometres.

Popular questions about the 2016 Subaru Impreza starter motor

Where is the starter motor located on a 2016 Subaru Impreza?
It’s bolted to the transmission bellhousing on the driver’s side of the engine bay (RHD markets), tucked below the intake area. Look for a compact cylindrical unit with a thick battery cable and a small plug on the solenoid. Access often improves by removing the intake snorkel or ducting.

What are the usual symptoms of a failing starter on this model?
Slow cranking, a sharp click with no crank, intermittent no‑start after a hot soak, or grinding on engagement. Always rule out a weak battery and corroded terminals first—both can mimic starter failure.

Can the factory starter be repaired, or should it be replaced?
Both options are viable. Brushes, solenoids and drives can be serviced by an auto‑sparky, but many owners opt for an exchange or new OEM‑spec unit for quicker turnaround and a clear warranty. Choose quality parts and ensure the power and earth cables are refreshed if they’re tired.