Parts for your 2014 Daihatsu Bego-Thrust bearing

2014 Daihatsu Bego thrust-bearing: what it is, where it sits, and when to service it

Based on factory technical literature for the J200-series Daihatsu Bego/Toyota Rush (workshop manuals for the vehicle and the 3SZ-VE engine), a thrust bearing is indeed used on this model. The 3SZ-VE engine employs crankshaft thrust bearings (thrust washers) to control end-float, and manual-transmission variants use a clutch release (thrust) bearing. Automatic-transmission models don’t have a clutch release bearing, though they do contain internal thrust bearings within the gearbox that aren’t serviced routinely. These details are outlined in the Daihatsu/Toyota workshop and engine repair manuals covering engine mechanical (crankshaft end play and thrust washers) and the clutch section (release bearing).

On a 2014 Daihatsu Bego, the thrust-bearing story has two parts. First, the engine’s crankshaft thrust bearings sit in the main bearing assembly and keep the crank from walking forwards and backwards under clutch use, accessory belt loads, and driveline thrust. That stabilises oil film integrity and protects the block and transmission. Second, if the Bego is a manual, there’s a clutch release (thrust) bearing that rides the clutch diaphragm fingers, smoothly transferring pedal force to disengage the clutch. Automatics don’t use that external bearing.

For servicing, the crankshaft thrust bearings aren’t a routine replacement item. They’re inspected if the sump is off or the engine is rebuilt, checking end float against spec and looking for scoring or coppering. Excessive clutch drag, odd axial noises at idle when the clutch is pressed, or metal in the oil can point to a crank thrust issue, but that’s uncommon unless there’s severe abuse or oil starvation.

On manual Begos, the clutch release bearing is a wear item and should be replaced whenever the clutch disc and pressure plate are changed. It’s inexpensive compared with the labour of removing the gearbox. A noisy release bearing typically gives a whirring or growling with the pedal depressed that quietens when released. If it’s neglected, it can seize, gall the diaphragm fingers, and leave the car undriveable.

• Best practice: replace the release bearing as part of a full clutch kit, check fork pivot lubrication, inspect the spigot/pilot bearing, and verify clutch free play and hydraulics.
• Good oil and filter habits support long crank thrust life, avoid riding the clutch to reduce axial loads.
• If measuring crank end float, follow the factory method with a dial gauge and compare to the spec in the engine manual.

Reputable parts from OE or OE-equivalent brands and careful installation will keep the Bego happy for many kilometres.

Popular questions

Does the 2014 Daihatsu Bego actually have a thrust bearing?
Yes. The 3SZ-VE engine uses crankshaft thrust bearings, and manual-transmission Begos also have a clutch release (thrust) bearing. Automatics don’t use an external clutch release bearing, but do contain internal transmission thrust bearings that aren’t part of normal servicing.

What are the signs a clutch release (thrust) bearing is failing on a manual Bego?
Listen for a whirring, chirping, or growling noise when the clutch pedal is pressed that fades when it’s released. Pedal roughness or vibration can also show up. If the bearing seizes, gear selection may become difficult and the clutch can be damaged.

Should the release bearing be replaced on its own?
It’s smarter to fit a complete clutch kit (disc, pressure plate, release bearing, and pilot bearing where applicable). The extra parts are modest in cost compared with the labour of gearbox removal, and doing the lot reduces the chance of having to go back in soon after.