Required tools and materials:
* Heads for 10, 12, 14, 17, 19 mm
* 6 mm hex key
* Pliers
* New inner CV joint
* Grease for CV joints
* New drive nut
Replacement instructions:
1. Preparation:
* Place the car on a level surface and block the wheels.
* Raise the front of the car using a jack and place it on stands.
* Remove the front wheel from the side of the faulty CV joint.
2. Removing the drive shaft:
* Remove the two nuts (17mm) securing the drive shaft to the wheel hub.
* Remove the three bolts (14mm) securing the Antriebswelle to the gearbox.
* Carefully remove the Antriebswelle from the gearbox and wheel hub.
3. Removing the inner CV joint:
* Locate the inner CV joint at the transmission end of the drive shaft.
* Loosen the clamp on the CV joint boot using pliers.
* Slide the boot down the shaft.
*Using a 6mm hex wrench, remove the bolt securing the inner CV joint to the shaft.
* Remove the inner CV joint from the Antriebswelle.
4. Installing a new inner CV joint:
* Apply CV joint grease to the splines of the new CV joint.
* Insert the new CV joint onto the Antriebswelle and tighten the bolt with a 6mm hex key.
*Place the CV boot into place and tighten the clamp with pliers.
5. Drive shaft installation:
* Insert Antriebswelle into the gearbox and wheel hub.
* Tighten the three bolts securing the drive shaft to the gearbox (14 mm).
* Tighten the two nuts securing the drive shaft to the wheel hub (17mm).
6. Wheel installation:
* Reinstall the wheel and tighten the nuts (19mm).
7. Additional steps:
* Below are additional steps to replace the inner CV joint on a Mazda 3 automatic transmission:
* It is recommended to replace both Antriebswelle nuts with new ones.
*If you are replacing the CV joint on the left side, you will need to remove the battery and tray to access the drive shaft.
*If you are replacing the CV joint on the right side, you may have to remove the air filter and intake manifold to access the drive shaft.
Precautions:
* Be careful when replacing the CV joint as it may be sharp.
* Do not overtighten bolts and nuts.
*Make sure all parts are properly tightened before operating the vehicle.