Parts for your 2014 Suzuki Sx4-Centre bearing

2014 Suzuki SX4 centre-bearing: what it is, whether it’s fitted, and how to look after it

Based on Suzuki’s factory documentation, the 2014 SX4 only uses a centre-bearing on All‑Wheel Drive (AWD/i‑AWD) variants. Front‑Wheel Drive (FWD/2WD) models don’t have a rear propeller shaft, so a centre-bearing isn’t fitted or relevant to those cars.

• Technical sources referenced: Suzuki SX4 Service/Workshop Manual (Driveline/Axle – Propeller Shaft), Suzuki Electronic Parts Catalogue (EPC) for MY2014 SX4 driveline components, and professional repair databases (e.g., ProDemand/ALLDATA) that show a two‑piece propeller shaft with a centre support bearing on AWD models and no propeller shaft on 2WD models.

Why it’s not used on 2WD: the 2WD SX4 sends drive to the front wheels only. With no rear differential or propeller shaft to support, there’s nothing for a centre-bearing to do, so the part simply doesn’t exist on those cars.

For AWD owners, the centre-bearing (often called the centre support bearing) sits mid‑way along the two‑piece propeller shaft, supporting the shaft and keeping driveline angles and alignment sweet between the transfer case and the rear diff. Its rubber isolator helps knock down vibration and noise, while the bearing itself keeps everything running true at motorway speeds.

What it does day to day: it stabilises the prop shaft under load, dampens shudder on take‑off, and reduces droning at speed. When the rubber support perishes or the bearing wears, the tell‑tales are pretty familiar:

• A dull drone or hum that rises with road speed
• Shudder or a thump on take‑off or during gear changes
• Vibration through the floor, especially 60–100 km/h
• Visible cracks/tears in the rubber support or excess play at the bracket

Servicing tips: the bearing is sealed and generally not serviceable, so inspection is the go. During routine servicing (say every 20,000–40,000 km), a quick check under the car for play in the support, torn rubber, or witness marks on the bracket is worthwhile. Also look over the prop shaft universal joints and flange bolts while you’re there.

Replacement advice: most SX4 centre-bearings are replaced as an assembly with the rubber support. A proper job means safely supporting the exhaust/heat shields, marking the prop shaft flanges so phasing stays correct, undoing the centre bracket, and refitting with threadlocker and the correct torque. Keeping the shaft aligned avoids fresh vibrations. It’s smart to inspect the U‑joints and rear diff/transfer case seals at the same time, if there’s any hint of wear, bundle the work to save a second round of labour. Expect roughly 1.5–3.0 hours depending on tooling and condition.

Driving around Australia and New Zealand—coastal air, corrugations, and the odd gravel run—can accelerate rubber deterioration, so catching a tired support early saves the transfer case, diff, and tailshaft from copping it later. If vibration appears suddenly, park it up and get it checked before it snowballs into bigger driveline damage.

Do all 2014 Suzuki SX4s have a centre-bearing?

No. Only AWD/i‑AWD variants use a centre-bearing because they have a two‑piece propeller shaft. FWD/2WD models don’t have a prop shaft, so there’s no centre support bearing fitted.

What are the classic symptoms of a failing centre-bearing on an AWD SX4?

A speed‑related drone, tunnel‑like vibration through the floor, and a shudder on take‑off are the big ones. A visual check may show cracked rubber in the support or noticeable movement when the shaft is levered up by hand.

Can the SX4 centre-bearing be lubricated or adjusted?

It’s a sealed bearing within a rubber support, so there’s no periodic lubrication or adjustment. If it’s noisy or the rubber is perished, replacement is the fix. When replacing, keep the shaft phasing marks aligned and torque the brackets correctly to avoid new vibrations.