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Hello, here is the torque spec for front hub bearing
Strut to Steering Knuckle Bolt and Nut
133 lb ft
Tie Rod Retention Nut
37 lb ft
Wheel Bearing/Hub Mounting Bolt
96 lb ft
Wheel Drive Shaft Spindle Nut
157 lb ft
hi, now this is a big job and the nut you need to undo you will need a air gun to undo is as it is torqued up that tight that you wont undo it using any hand tools but here is how you do it. 1. put car on axle stands so wheels are off the floor and remove the wheels. 2. On the side that the bearing needs replacing you need to undo the bottom ball joint witch is under neath the disk break should be just one nut and bolt. 3. is best to undo the track rod end from the steering rack this is the tie rod and should be located in the wheel hub towards the drivers door and is held in place with one nut from under neath. 4. after you undo both of these you will then need a ball joint splitter to sepperate these parts from the hub as they will be to tight to remove from their locating possition. 5. now to get to the bearing itself this is where you need an airgun or similar tool they use in a garage. now right at the centre of the wheel hub you will see a really bug nut attatched to the end of the drive shaft and you can see the end off the drive shaft coming through the hub. I think the nut is nearly a 30m or 32m socket to undo. 6. Once this is undone gently tap the end of the drive shaft through the hub whilst gently pulling the hub outwards dont pull the hub outwards if the drive shaft isnt coming free from the hub as you can pull the drive shaft out of the gearbox and then you will have a right mess with geasrbox oil everywhere as the drive shaft is only push fit into gear box.
If the drive shaft is coming free from the hub then keep pulling the hub towards you untill the drive shaft is free (secure driveshaft with string so as not to put stress on the drive shaft bearing). Now you should be able to remove the old bearing and insert the new make sure you clean the old bearing out properly and use new grease to lube the new bearing.
When doing the drive shaft back up you need to use air gun again to tighten the nut up enough to be safe to drive as their is alot of pressure on these parts. You wont undo the nut without a air compressor and air tools buying these would be more expensive than paying a garage to do the repairs themselves. Please choose carefully as once you have started if you have any problems you cant take the car to a garage as it will be in bits. Let me know if you need further assistance. If you are going to do this yourself then please buy a workshop manual as this will give you the correct torque settings as the bearing has to be torqued up to a required setting else the bearing will just fail again.
i would go to the local library and borrow the chilton or haynes manual it will for sure tell you and it will be free to look it up that or u can try autozone.com and then look up the hub nut as if you were going to purchase it and they might tell you how to put it in..