Broken studs I have removed the studs & lremoved the bolts holding the disc also I have removed the brake caliper but there is not enough room between the hub &the disc to get the new studs in Its a nissan patrol 4wd

Hi Douglas, I'm glad to help. My first suggestion is to get to complete shaft. This way you want have any problems later on. It's not that much more expensive and you'll be glad you did. Below is the procedure for replacing them.

FRONT DRIVESHAFTS

REMOVAL

1. Raise vehicle on jack stands or centered on a frame contact type hoist. Refer to Hoisting in the Lubrication And Maintenance section of this manual for the required lifting procedure to be used for this vehicle.
2. Remove the cotter pin and nut lock Hub And Bearing To Stub Axle Retaining Nut from the end of the stub axle.
3. Remove the wheel and tire assembly from the vehicle.
4. Remove the wave washer Wave Washer from the end of the stub axle CAUTION: Wheel bearing damage will result if after loosening hub nut, vehicle is rolled on the ground or the weight of the vehicle is allowed to be supported by the tires.
   
5. With the vehicle's brakes applied to keep hub from turning, loosen and remove the stub axle to hub nut.
6. Remove the two front disc brake caliper to steering knuckle attaching bolts Front Disc Brake Caliper Attaching Bolts
7. Remove the disc brake caliper from the steering knuckle. Caliper is removed by first rotating top of caliper away from steering knuckle and then removing bottom of caliper out from under machined abutment on steering knuckle Brake Caliper Mounting To Steering Knuckle
8. Support disc brake caliper assembly by using a wire hook and suspending it from the strut assembly Correctly Supported Disc Brake Caliper Do not allow the brake caliper assembly to hang by the brake flex hose.
9. Remove the brake rotor from the hub and bearing assembly Remove/Install Brake Rotor
10. Remove nut attaching outer tie rod end to steering knuckle Removing Tie Rod End Attaching Nut Nut is to be removed from tie rod end using the following procedure, hold tie rod end stud with a 11/32 socket while loosening and removing nut with a wrench.
11. Remove tie rod end from steering knuckle using Remover, Special Tool MB-991113 Tie Rod End Removal From Steering Knuckle Arm
12. Remove the steering knuckle to ball joint stud, clamping nut and bolt Control Arm To Steering Knuckle Attachment from the steering knuckle.
13. Using a pry bar, separate steering knuckle from ball joint stud Separating Ball Joint Stud From Steering Knuckle Note: Use caution when separating ball joint stud from steering knuckle, so ball joint seal does not get cut. NOTE: Care must be taken not to separate the inner C/V joint during this operation. Do not allow driveshaft to hang by inner C/V joint after removing outer C/V Joint from the hub/bearing assembly in steering knuckle, end of driveshaft must be supported.
    
14. Pull steering knuckle assembly out and away from the outer C/V joint of the driveshaft assembly Steering Knuckle Separation From Driveshaft
15. Support the outer end of the driveshaft assembly. Insert a pry bar between inner tripod joint and transaxle case Disengaging Inner Tripod Joint From Transaxle Pry against inner tripod joint, until tripod joint retaining snap ring is disengaged from transaxle side gear.
16. Hold inner tripod joint and interconnecting shaft of driveshaft assembly. Remove inner tripod joint from transaxle, by pulling it straight out of transaxle side gear and transaxle oil seal Tripod Joint Removal from Transaxle When removing tripod joint, do not let spline or snap ring drag across sealing lip of the transaxle to tripod joint oil seal.

INSTALLATION

1. Thoroughly clean spline and oil seal sealing surface, on tripod joint. Lightly lubricate oil seal sealing surface on tripod joint with fresh clean transmission lubricant.
2. Holding driveshaft assembly by tripod joint and interconnecting shaft, install tripod joint into transaxle side gear as far as possible by hand Tripod Joint Removal from Transaxle
3. Grasp inner tripod joint an interconnecting shaft. Forcefully push the tripod joint into side gear of transaxle, until snap ring is engaged with transaxle side gear. Test that snap ring is fully engaged with side gear by attempting to remove tripod joint from transaxle by hand. If snap ring is fully engaged with side gear, tripod joint will not be removable by hand.
4. Clean all debris and moisture out of steering knuckle, in the area were outer C/V joint will be installed into steering knuckle.
5. Ensure that front of outer C/V joint which fits against the face of the hub and bearing is free of debris and moisture before installing outer C/V joint into hub and bearing assembly Outer C/V Joint Inspection
6. Slide drive shaft back into front hub and bearing assembly. Then install steering knuckle onto the stud of the ball joint assembly Steering Knuckle Separation From Driveshaft
7. Install a new steering knuckle to ball joint clamping bolt and nut Control Arm To Steering Knuckle Attachment Tighten the clamping bolt and nut to a torque of 135 N·m (100 ft. lbs.)
8. Install tie rod end into steering knuckle. Start attaching nut onto stud of tie rod end. While holding stud of tie rod end stationary using a 11/32 socket, Removing Tie Rod End Attaching Nut tighten tie rod end to steering knuckle attaching nut. Then using a crowfoot and 11/32 socket Torquing Tie Rod End Attaching Nut , tighten the tie rod end attaching nut to a torque of 54 N·m (40 ft. lbs.)
9. Install braking disc on hub and bearing assembly Remove/Install Brake Rotor
10. Install disc brake caliper assembly on steering knuckle. Caliper is installed by first sliding bottom of caliper under abutment on steering knuckle, and then rotating top of caliper against top abutment Brake Caliper Mounting To Steering Knuckle
11. Install disc brake caliper assembly to steering knuckle attaching bolts Front Disc Brake Caliper Attaching Bolts Tighten the disc brake caliper assembly attaching bolts to a torque of 22 N·m (195 in. lbs.)
12. Clean all foreign matter from the threads of the outer C/V joint stub axle. Install the washer and stub axle to hub/bearing assembly nut on stub axle and securely tighten nut.
13. Install front wheel and tire assembly. Install and tighten the wheel mounting stud nuts in proper sequence until all nuts are torqued to half the required specification. Then repeat the tightening sequence to the full specified torque of 135 N·m (100 ft. lbs.)
14. Lower vehicle.
15. With the vehicle's brakes applied to keep hub from turning, tighten the hub nut to a torque of 244 N·m (180 ft. lbs.) Torquing Front Stub Axle To Hub Nut
16. Install the spring wave washer on the end of the stub axle.
17. Install the hub nut lock, and a new cotter pin Hub And Bearing To Stub Axle Retaining Nut Wrap cotter pin prongs tightly around the hub nut lock as shown in Hub And Bearing To Stub Axle Retaining Nut
18. Check for correct fluid level in transaxle assembly. Refer to Group 21, Transaxle for the correct fluid level checking procedure for the type of transaxle being checked.
19. Set front toe on vehicle to required specification.

Brake discs with pads need to be changed both sides on the same axle. Slacken the lug nuts and then lift the corner of the car and remove the wheel. Put a screwdriver tip between the brake pad and the disc and twist until a couple of millimeters of gap has opened up, do this front and back of the disc. Now remove the two large caliper securing bolts and lift the caliper up. locate the caliper body so that its weight does not pull on the rubber brake hose ( piece of wire to hold it temporarily to the strut spring is good). The disc is located by a couple of small screws. Remove these and the disc will come off the wheel studs. Fit the new disc and reinstate by reversing the steps above. Note if you have pushed the pads back far enough when removing the calipers then the caliper should refit easily over the unworn and therefore fatter new disc even with new pads fitted. put a small dab of anti-seaze grease (CopperEaze or similar) on the back of each pad as this will prevent squeal. Tighten the caliper bolts thoroughly when reassembling. Remember to pump the brake peddle back to pressure to re-seat the new pads to discs before test driving. Now do the same to the other side. If you are new to this the fist wheel is a voyage of discovery and the second wheel will take a quarter of the time.

remove the brake caliper and rotor to access the hub. now to remove bad wheel stud. knock old stud out with a hammer and punch or similar. when out, there should be enough room to slide new stud in from back of hub. With the new wheel stud in position through the hole, screw a couple of wheel bolts onto the stud. You'll use these to pull the new stud into place with a wrench or impact wrench. Simply tighten the bolts you put in place until the new wheel stud is fully seated. You can look on the back side of the hub to see when it is fully seated

remove tire,loosen and remove caliper 2 bolts on rear side of caliper,usually a allen/torque wrench or a standard wrench if u got all 3 ur good,fully remove caliper disc slides right off studs,new caliper will be thicker,which requires the piston behind the pad to be moved in, u can use a large c lamp be very careful while tightening down on piston not to brake it usually lay something across the piston put the clamp on that piston must go in far enough to allow pad to slide over new disc good luck its easy and pretty self explanitory

It may have a allen head on that model.

have a 2005 hyudai tucson can't remove the front studs even though we pulled off the brakes and caliper but still not enough room to put in new studs and i can't dissasemble it any further

here is procedure

Section 04-01: Suspension and Wheel Hubs, Front 1996 Taurus, Sable Workshop Manual
REMOVAL AND INSTALLATION Wheel Hub Bolt Removal

1. Raise vehicle on hoist.
   

1. Remove wheel and tire assembly. Refer to Section 04-04 .
   

1. Remove disc brake caliper (2B120), and front disc brake rotor (1125). Refer to Section 06-03 .
   

Brake Shoe and Lining Removal

1. Remove brake master cylinder filler cap (2162). Check fluid level in brake master cylinder reservoir (2K478). Remove brake fluid until brake master cylinder reservoir is half full. Discard removed fluid.
   

1. Raise vehicle on hoist. Refer to Section 00-02 .
   

1. Remove wheel and tire assembly from front disc brake rotor mounting face. Use care to avoid damage or interference with disc brake caliper (2B120), front disc brake rotor shield (2K004) or front wheel knuckle (3K185).
   

1. Remove rear brake pin retainers (2N386). ( I think it is a T 40 torx bit you need)
   

1. NOTE: It is not necessary to disconnect hydraulic connections.
   
   Lift disc brake caliper from front disc brake caliper anchor plate (2B292) and front disc brake rotor (1125). Do not pry directly against metal caliper piston or damage will occur.
   

1. Position disc brake caliper out of the way and support with wire to avoid damaging the disc brake caliper and front brake hose (2078).
   

1. Remove outer brake shoe and lining (2001) assembly from front disc brake caliper anchor plate.
   

1. Remove inner brake shoe and lining assembly.
   

1. Position lug bolt (1107) to clear front wheel knuckle (3K185).
   

1. Remove lug bolt from wheel hub (1104).
   
   
   
   

Installation

1. Install lug bolt into wheel hub.
   

1. Using a lug nut (1012), seat wheel hub bolt into wheel hub.
   

1. Install front disc brake rotor and disc brake caliper. Refer to Section 06-03 .
   

1. Install wheel and tire assembly. Tighten lug nut to 115-142Nm (85-104 lb-ft).
   

Firstly you need to remove the park brake cables from the calipers. undo the bolts that hold the caliper to the hub assembly. lift the caliper away and yes you can buy new studs and nuts/bolts but you may need to go to a main chrysler agent to get them

1. Disconnect the brake hose.
2. Remove bolt.
3. Disconnect the rear wheel brake hose (2A442).
4. Remove the copper washers and plug the brake hose.
Disconnect the brake hose.
1. Remove bolt.
1. Disconnect the rear wheel brake hose (2A442).
1. Remove the copper washers and plug the brake hose.
1. CAUTION: Do not remove the guide pins or guide pin boots unless a problem is suspected. The guide pins are meant to be sealed for life and are not repairable. Use Silicone Brake Caliper Grease and Dielectric Compound D7AZ-19A331-A (Motorcraft WA-10) or an equivalent silicone compound meeting Ford specification ESE-M1C171-A for re-lubing the caliper slide pins. Other greases can swell the guide pin boots, resulting in contamination and accelerated corrosion or wear of the caliper slide pin mechanism.
   Remove the rear disc brake caliper (2552).
   1. Remove the brake caliper bolts (2W303).
   1. Lift the rear disc brake caliper off the rear disc brake caliper anchor plate (2C220).
1. Inspect the rear disc brake caliper for leaks.
   • If leaks are found, disassembly is required. Refer to Caliper in this section.
Installation

1. CAUTION: To prevent interference with rear disc brake caliper operation, install only the correct caliper bolt.
   NOTE: Make sure the stainless steel shoe slippers are correctly positioned. Install new slippers if worn or damaged.
   NOTE: When installed, the locator notch on the brake pads will be located at the upper end of the rear disc brake caliper.
   Install the rear disc brake caliper.
1. Install the rear wheel brake hose.
   • Connect the brake hose and install the caliper flow bolt.
     • Use new copper washers.
1. Bleed the disc brake caliper. For additional information, refer to Section 206-00 .
1. NOTE: If equipped with air suspension, reactivate the system by turning on the air suspension switch.
   Install the wheel and tire assembly. For additional information, refer to Section 204-04 .
1. Verify correct brake operation.
5. CAUTION: Do not remove the guide pins or guide pin boots unless a problem is suspected. The guide pins are meant to be sealed for life and are not repairable. Use Silicone Brake Caliper Grease and Dielectric Compound D7AZ-19A331-A (Motorcraft WA-10) or an equivalent silicone compound meeting Ford specification ESE-M1C171-A for re-lubing the caliper slide pins. Other greases can swell the guide pin boots, resulting in contamination and accelerated corrosion or wear of the caliper slide pin mechanism.
   Remove the rear disc brake caliper (2552).
   1. Remove the brake caliper bolts (2W303).
   1. Lift the rear disc brake caliper off the rear disc brake caliper anchor plate (2C220).

1. Inspect the rear disc brake caliper for leaks.
• If leaks are found, disassembly is required. Refer to Caliper in this section.

Disc Removal

1. NOTE: When removing the rear brake disc (2C026) in this procedure it is not necessary to disconnect the hydraulic lines.
   Remove the rear disc brake caliper (2552). For additional information, refer to Caliper in this section.

1. NOTE: If the rear brake disc binds on the rear parking brake shoe and linings, remove the adjustment hole access plug and contract the parking brake shoe and lining.
   Remove the rear brake disc.

1. CAUTION: Use a hub-mount brake lathe if necessary to machine the rear brake disc.
   Measure the rear brake disc, and resurface as necessary. Install a new rear brake disc if beyond specification.

--------------------------------
Installation

1. CAUTION: To prevent interference with rear disc brake caliper operation, install only the correct caliper bolt.
   NOTE: Make sure the stainless steel shoe slippers are correctly positioned. Install new slippers if worn or damaged.
   NOTE: When installed, the locator notch on the brake pads will be located at the upper end of the rear disc brake caliper.
   Install the rear disc brake caliper.

1. Install the rear wheel brake hose.
   • Connect the brake hose and install the caliper flow bolt.
     • Use new copper washers.

1. Bleed the disc brake caliper. For additional information, refer to Section 206-00 .

1. NOTE: If equipped with air suspension, reactivate the system by turning on the air suspension switch.
   Install the wheel and tire assembly. For additional information, refer to Section 204-04 .

1. Verify correct brake operation.

Remove the front wheels. Remove the brake calipers (usually held with two stud bolts on the stub axle assembly.(look behind the disc)The discs should then pull off. On reassmbly ensure the caliper bolts are fully tightened.