Parts for your 2009 Mazda 6-Universal joints

2009 Mazda 6 universal joints — are they used?

For Australian and New Zealand–spec 2009 Mazda 6 (GH series) models, universal joints (U-joints) aren’t part of the driveline. These cars are front‑wheel drive and use constant‑velocity (CV) joints at the front axles, with no rear propeller shaft to require U‑joints. This is confirmed by Mazda’s GH Workshop Manual (Driveline/Axle – Front Drive Shaft), which details inner tripod and outer Rzeppa CV joints, and by the Mazda Electronic Parts Catalogue for GH chassis (AU/NZ), which lists no prop shaft or driveline U‑joints. General references like the Haynes Mazda 6 2003–2012 manual also note that U‑joints are typical of rear‑wheel drive or AWD prop shafts, not FWD axles.

Why no U‑joints on a 2009 Mazda 6? The front axles need to transmit power smoothly while steering and moving through suspension travel. CV joints maintain constant rotational speed through large angles, which keeps things smooth and quiet. A traditional U‑joint changes the driven shaft speed through its rotation at angles, which would cause vibration and shudder in a FWD hub — not what anyone wants on the daily commute.

Worth noting: some Japan‑market Atenza (Mazda 6) variants of this generation were offered with AWD and therefore used a prop shaft with U‑joints. That setup wasn’t offered in Australia or New Zealand for 2009 models. If you’re in AU/NZ with a GH‑series Mazda 6 sedan, hatch, or wagon, you’re dealing with CV joints up front and no driveline U‑joints.

What should owners look after instead? Keep an eye on the CV boots. Split or perished boots let grease escape and water/dirt creep in, which quickly chews out the joint. Typical signs it’s CV‑related (not “U‑joint” related) include a clicking or popping noise when turning under power, grease flung around the inside of the wheel, or a vibration on acceleration. During routine servicing, it’s smart to:

• Inspect CV boots for cracks, splits, or grease leaks.
• Check for play or roughness in the joints with the car safely raised.
• Replace damaged boots promptly, if the joint’s noisy, replace the shaft assembly.

There is a small universal joint in the steering intermediate shaft on many vehicles, including the GH Mazda 6, but that’s part of the steering column, not the driveline “universal-joints” people usually ask about. For driveline concerns on a 2009 Mazda 6 in AU/NZ, think CV joints, not U‑joints.

Popular questions about 2009 Mazda 6 universal joints

Does a 2009 Mazda 6 have universal joints in the driveline?
For Australian and New Zealand models, no. The 2009 Mazda 6 is front‑wheel drive and uses CV joints on the front axles. There’s no rear prop shaft and therefore no driveline U‑joints to service. Factory documentation and parts catalogues for GH‑series AU/NZ models back this up.

What’s causing a clicking noise when turning if it’s not a U‑joint?
That classic clicking on full lock is usually a worn outer CV joint. Inspect the outer CV boots for splits or grease flung around the wheel well. If the boot has failed and the joint is noisy, a replacement driveshaft assembly is typically the most reliable fix.

Is there any universal joint on the car at all?
Not in the driveline for AU/NZ 2009 Mazda 6 models. There can be a small universal joint in the steering intermediate shaft, but that’s unrelated to the power delivery to the wheels. Driveline servicing focuses on CV joints, boots, and transmission fluid according to the maintenance schedule.