What will cause a 2001 mercury cougar to pull hard to the left? We already changed lower ball joints, caliper, bearing hub assembly, and outer tie rods.What's your problem?

FRONT DRIVESHAFTS

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.

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.

1. Apply the brakes and hold in place.
   
2. Raise the vehicle.
   
3. Remove the front tire and wheel assembly.
   
4. Remove the cotter pin, lock nut and spring washer from the hub nut.
   
5. While the brakes are applied, loosen and remove the hub nut on the end of the driveshaft.
   
6. Release the brakes.
   
7. Remove the front disc brake caliper and adapter as an assembly, and the brake rotor from the steering knuckle.
   
8. Remove the nut attaching the outer tie rod to the steering knuckle. To do this, hold the tie rod end stud with a wrench while loosening and removing the nut with a standard wrench or crowfoot wrench.
   
9. Remove the tie rod end from the steering knuckle using Remover, Special Tool MB991113.
   
10. Remove the tie rod heat shield.
    
11. Remove the nut and pinch bolt clamping the ball joint stud to the steering knuckle.
    
    CAUTION The strut assembly-to-steering knuckle attaching bolts are serrated and must not be turned during removal. Hold the bolts stationary in the steering knuckles while removing the nuts, then tap the bolts out using a pin punch.
    
12. Remove the two bolts attaching the strut to the steering knuckle.
    
    NOTE Use caution when separating the ball joint stud from the steering knuckle, so the ball joint seal does not get cut.
    
13. Separate the ball joint stud from the steering knuckle by prying down on lower control arm and up against the ball joint boss on the steering knuckle.
    
    NOTE Do not allow the driveshaft to hang by the inner C/V joint; it must be supported to keep the joint from separating during this operation.
    
14. Pull the steering knuckle off the driveshaft outer C/V joint splines and remove the steering knuckle.
    
    NOTE The cartridge type front wheel bearing used on this vehicle is not transferable to the replacement steering knuckle. If the replacement steering knuckle does not come with a wheel bearing, a new bearing must be installed in the steering knuckle. Installation of the new wheel bearing and hub must be done before installing the steering knuckle on the vehicle.
    
15. If the wheel bearing and hub need removal. Do not reuse the wheel bearing.
    http://www.chiltonlibrary.com/content/images/32050/images/32050_ptcr_g0035.gif The separation of the ball joint and the knuckle
    

1. Slide the hub of the steering knuckle onto the splines on the driveshaft C/V joint.
   
2. Install the steering knuckle onto the ball joint stud aligning the bolt hole in the knuckle boss with the notch formed in the side of the ball joint stud.
   
3. Install a new ball joint stud pinch bolt and nut. Tighten the nut to a torque of 70 ft. lbs. (95 Nm).
   
   CAUTION The strut assembly-to-steering knuckle attaching bolts are serrated and must not be turned during installation. Install the nuts while holding the bolts stationary in the steering knuckle.
   
4. Position the lower end of the strut assembly in line with the upper end of the steering knuckle and align the mounting holes . Install the two attaching bolts. The bolts should be installed with so that the nuts face towards the front of the vehicle once installed. Install the nuts. Holding the bolts in place tighten the nuts to a torque of 40 ft. lbs. (53 Nm) plus an additional 90° turn after the specified torque is met.
   
5. Place the tie rod heat shield on the steering knuckle arm so that the shield is positioned straight away from the steering gear and tie rod end once installed. Align the hole in the shield with the hole in the steering knuckle arm. Install the outer tie rod ball stud into the hole in the steering knuckle arm. Start the tie rod attaching nut onto the stud. Hold the tie rod end stud with a wrench while tightening the nut with a standard wrench or crowfoot wrench. To fully tighten the nut to specifications, use a crowfoot wrench on a torque wrench to turn the nut, and a wrench on the stud.
   
6. Tighten the nut to a torque of 40 ft. lbs. (55 Nm). Install the brake rotor, disc brake caliper and adapter.
   
7. Clean all foreign matter from the threads of the driveshaft outer C/V joint. Install the hub nut in the end of the driveshaft and snug it.
   
8. Have a helper apply the brakes. With vehicle brakes applied to keep brake rotor and hub from turning, tighten the hub nut to a torque of 180 ft. lbs. (244 Nm)
   
9. Install the spring washer, lock nut and cotter pin on the hub nut. Wrap the cotter pin ends tightly around the lock nut.
   
10. Install the tire and wheel assembly. Install the wheel mounting nuts and tighten them to a torque of 100 ft. lbs. (135 Nm).
    
11. Lower the vehicle.
    
12. Set the front toe on the vehicle to required specification.
    

1. Raise and support the vehicle.
   
2. Remove the wheel (1007) and tire assembly.
   
3. NOTE: It is not necessary to disconnect the front brake hose (2078).
   
   Remove the disc brake caliper (2B120) and suspend it with mechanic's wire out of the way. Refer to Section 06-03 for the removal procedure.
   
4. Remove the front disc brake rotor (1125).
   
5. Remove and discard the cotter pin.
   
6. Remove the nut retainer and insulator.
   
7. Remove the front axle wheel hub retainer (3B477) and the front wheel outer bearing retainer washer (1195).
   
   
   
   
   
8. Remove and discard the cotter pin from the front suspension lower arm ball joint (3050).
   
9. Loosen the front suspension lower arm ball joint nut until it contacts the front wheel driveshaft joint.
   
   
   
   
   
10. Strike the front wheel knuckle with a hammer while pulling down on the front suspension lower arm (3078) until the front suspension lower arm ball joint separates from the front wheel knuckle.
    
    
    
    
    
11. Remove the front suspension lower arm ball joint nut.
    
    
    
    
    
12. Remove the front suspension lower arm ball joint from the front wheel knuckle.
    
13. Remove and discard the cotter pin.
    
    
    
    
    
14. Remove the tie rod end nut.
    
    
    
    
    
15. Use Tie Rod End Separator T85M-3395-A to separate the tie rod end (3A130) from the front wheel knuckle.
    
    
    
    
    
16. Remove the front brake anti-lock sensor bolt.
    
    
    
    
    
17. Remove the two front shock absorber-to-front wheel knuckle nuts.
    
    
    
    
    
18. Remove the two front shock absorber-to-front wheel knuckle bolts.
    
19. Remove the front shock absorber (18124) from the front wheel knuckle.
    
20. Use 2-Jaw Puller D80L-1002-L, or equivalent, to separate the front wheel driveshaft and joint (3B436) from the front wheel knuckle.
    
21. Remove the front wheel hub, front wheel knuckle and front wheel bearing as an assembly from the vehicle.
22. If necessary, match mark and remove the steering stop bolt and steering stop bolt jam nut from the front wheel knuckle.
    
    
    
    
    

1. Position the front wheel hub, front wheel knuckle and front wheel bearing as an assembly on the front wheel driveshaft and joint.
   

1. Install the front wheel knuckle into the front shock absorber.
   

1. Install the two front shock absorber-to-front wheel knuckle bolts.
   

1. Install the two front shock absorber-to-front wheel knuckle nuts. Tighten the front shock absorber-to-front wheel knuckle nuts to 113-123 Nm (83-91 lb-ft).