Parts for your 2005 Mazda Premacy-Thrust bearing

2005 Mazda Premacy thrust-bearing

Technical references from Mazda’s CR‑series Premacy/Mazda5 service literature and major clutch catalogues (e.g., Exedy/Daikin) show that 2005 Mazda Premacy models with a 5‑speed manual gearbox are fitted with a clutch release bearing, commonly called a thrust-bearing. This bearing sits on the gearbox input shaft collar and presses the pressure plate’s diaphragm fingers to disengage drive. Automatic variants don’t use a clutch release/thrust-bearing, so this part isn’t applicable to autos, their bearings are internal to the transmission and are a different proposition entirely.

On a manual 2005 Premacy, the thrust-bearing’s job is to take axial load from the clutch fork or concentric slave and let that force act smoothly on the spinning pressure plate without metal‑on‑metal grating. It converts pedal effort into a clean, low‑friction push, so you get quiet, crisp gear changes and a light, consistent pedal feel. Being a sealed, lubricated unit, it’s not a serviceable item on its own in day‑to‑day maintenance, but it’s critical to replace whenever the clutch is done.

Best practice is to fit a complete clutch kit (clutch disc, pressure plate, and release/thrust-bearing) and inspect related hardware while the gearbox is out. A good workshop will:

• Lightly grease the input shaft splines and the guide tube with a high‑temp moly grease (avoid the friction surfaces).
• Check the clutch fork, pivot ball, guide tube/retainer, and the gearbox input shaft seal for wear or leaks.
• Inspect and bleed the hydraulic system (master and slave cylinder), replacing any perished hoses.

Typical replacement timing lines up with clutch life, which can range from about 100,000–200,000 km depending on use. If it’s driven mostly around town or towing, expect sooner. Classic symptoms of a tired thrust-bearing include a whirring, chirping, or squeal when the clutch pedal is depressed, pedal roughness, or a clutch that won’t cleanly disengage.

To help your Premacy’s thrust-bearing live a long life:

• Keep your foot off the clutch pedal when cruising, even light resting loads the bearing.
• At lights, select neutral and use the handbrake instead of holding the pedal down.
• Avoid slipping the clutch on hills—use proper hill‑start technique.

If your 2005 Mazda Premacy is an automatic, a “thrust-bearing” in the clutch sense isn’t used. That’s why parts catalogues will list the thrust/release bearing only against manual models by VIN or gearbox code.

FAQs

Does an automatic 2005 Mazda Premacy have a thrust-bearing?
Automatics don’t use a clutch release (thrust) bearing. They rely on a torque converter and internal transmission bearings, so the thrust-bearing part listed for manuals won’t apply. If you’ve got an auto and you’re chasing a rotational noise, focus on transmission service, mounts, or hub/wheel bearings instead.

When should the thrust-bearing be replaced on a 2005 Premacy manual?
Replace it whenever the clutch is replaced or the gearbox is removed for related work. It’s a sealed unit and relatively inexpensive compared to the labour, so doing it with the clutch is the smart move. No fixed interval exists, but many drivers see clutch and bearing replacement somewhere between 100,000 and 200,000 km, earlier with heavy city use.

Can a noisy thrust-bearing damage other components if ignored?
Yes. Continued driving with a failing bearing can wear the pressure plate fingers, mark the guide tube, and stress the clutch fork and hydraulics. Leave it long enough and you can end up with poor disengagement, accelerated clutch wear, and extra costs when the box finally comes out.