Micra gear box Cv joint relacement

Depends on the type of car. If it is a rear wheel drive it could be anything from a wheel bearing to a worn gear in the housing to a U-joint. Is the noise constant or does it come and go?

if you can " waggle " a CV joint

bearing part or bearing housing of the drive shaft joint worn
..replace the cv

Hi Thomas, I have not changed CV's on your type of vehicle, but can give you the path to follow. Here we go; Always work with someone to assist you. pepare four plastic bags for use later. With both front wheels on the ground remove any wheel covers fitted. In the center of the wheel you will see the shafts of the CV's. These are held in position with large nuts, either locked with a tab or sometimes with a locking washer and split pin. Unlock whichever system is used and loosen the nuts on the shafts. Loosen the wheel nuts, jack up the vehicle and place chassis stands to support the vehicle and the lower it onto the stands. Remove the wheels and remove the center nuts from the CV joints. If the vehicle is fitted with McPherson struts, loosen the two through bolts and nuts, or if fitted with wishbone suspension loosen and remove the bolts securing the the upper ball joints. Swing the stub axle outward and downwards so that there is enough room to remove the CV shafts from from the hubs. Put on a pair of goggles and then climb under the vehicle and release the boots or retaining bolts holding the shaft into the spyder or inner CV joint. Once removed pull the half shaft out of the housings keeping everything as clean as possible and wrap in a plastic bag.. (There will be high impact grease inside both the inner and outer joints, This may have been thrown out in the event that the rubber boots are broken) If you are replacing the entire half shafts, carefully observe the way in which the inner joint is fitted. If there are no bolts, studs or nuts holding a flange onto the gear box differential housing, the inner joints will be held in place by spring loaded clips fitted around the ends of the inner shafts. If your vehicle uses that type of fitting the shafts will be levered out. It will be important to use a catchment tray to collect any transmission oil which leaks out. Cover the joint with one of the plastic bags. If you are fitting only the outer CV's, the defective units are knocked off the shafts with a heavy copper mallet (The shafts also have locking cur clips holding the shafts in place. Sometimes the inner basket of the CV bearing housing will need to be cut or broken out, so the the joint can be removed. Please both you and your friend use safety goggles during this procedure. Once removed, fit the new joint. If you are replacing the entire assembly and if they are the type using clips, use a thick piece of wood and hold the shaft as straight as possible then ask your pal to knock the shaft into the housing. The rest of the job is the opposite to removal. When fitting the outer CV shaft nut follow the correct tightening torque setting, as these usually hold the front wheel bearings at the correct settings and tightness. Regards John

Hello, There are a lot of moving parts in the front end. You may have a bad CV joint which is on the shaft that turns the front wheels. Each side has a similar part. There are also hub bearings which are in the hub and the hub is turned by the CV joint shaft.

The CV joint can break without tearing the rubber cover on the shaft, but if someone looks under the car at the CV shaft and sees oil or grease or a torn rubber cover on the right side CV shaft; it will confirm the diagnosis.

Once this part breaks the car will not move anymore. A broken CV joint can cause other parts to fail like the hub bearings. You can call around and price the repair or if you know someone who can do the work, price the parts.

If the shaft needs to be removed, it is behind several parts which will need to be removed first.

I quote from service manual

1 . Raise and support the truck. Remove the rear wheels, the brake drum or brake caliper and rotor. If this is a disc brake, support caliper with wire. Remove seal retainer nuts from axle
housing.

2 . Pull out the axle shaft from housing. Remove the snap ring and bearing race from the axle shaft. Cut the bearing retainer. Break the bearing cage using a hammer and chisel and remove cage and rollers.

3 . Remove the oil seal, the seal retainer and the parking brake assembly (rear). Using a hydraulic press and bearing splitter, press the inner race from axle shaft. Inspect axle shaft for seal wear. Ensure that the shaft is not bent.

to find this out hold with both hands the cv joint pull on the inner shaft when holding the outer shaft still if it moves a lot its the joint, if it dont move much, its not the joint so then pull on the outer part of the joint that go's into the gearbox, dont hold the shaft only hold the inner most part of the cv joint that go's into the box if it moves/ flops about its the bearing in the gear box

You should get a new drive shaft or get yours rebuilt. There is a guide socket and ball in between your CV joints. If that wears out you will here a knocking when torque is applied to the drive shaft. Hope this helps!

Sounds like your outer CV joint on the drivers side is worn. If so not really a DIY job. When shaft is removed you will loose g/box oil. plus hub has to be partially removed. Then the joint removed from shaft. Big job. would recommend going to see your local CV shaft shop.

Steven

Hi just a thought but have you checked the C.V joints, Hope this helps

Hi
Take a tyre lever a put in between the g/box and inner cv joint put slight pressure but be sure you are not catching the oil seel, Then give the Cv a slight knock away from the g/box. It has a cir clip inside that keeps it from moving out while driving.
Regards
Billie S/Africa