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Home >> Ford Truck >> 2000 >> F 250 4WD Super Duty V8-7.3L DSL Turbo VIN F >> Repair and Diagnosis >> Maintenance >> Technical Service Bulletins >> By Symptom >> Customer Interest >> Brakes - Vehicle Pulls Left/Right on Braking >> Service Procedure >> Diagnostic Procedure 2

Diagnostic Procedure 2

1. CHECK TIRES: Check the tires for excessive wear and measure the air pressure in all four tires. Are the tires in good condition and the tire pressure within specifications? If yes, go to the next step. If not, adjust the tire pressure. Rotate the tires front to rear. Install new tires, if excessively worn. Test operation.

2. CHECK THE CALIPER ASSEMBLY: Do the caliper pistons or pins bind or stick or do the brakes drag? It not, go to the next step. If yes, refer to symptom chart for brake system in the Workshop Manual Section 206-00 for brake drag. repair or install new components as necessary. Test operation.

3. INSPECT BRAKE PADS: Inspect the front brake pads for contamination and wear concerns. Also check the brake pad edge code on the top edge of all four front brake pads. The edge code will consist of "abex60g1ee xxxxx / yyy". Disregard the last three digits after "/". The five digits after "ee" should be the same. If the pads are not ok, or if the edge codes are not the same, go to step 6, otherwise continue to step 4.

4. Swap PADS and ROTORS side to side and check the pull. If the pull direction has reversed, go to Step 6. If the vehicle still pulls to the left, burnish linings and check the pull. If it still pulls left, go to Step 5.





5. Replace both front leaf springs. Refer to the spring selection table in this TSB (Figure 2). If the build date is between March 20, 1999 and November 25, 2001, replace the Steering Gear and the Pitman Arm (Part Numbers 2C3Z-3504-AARM and YC3Z-3590-CA respectively). Adjust the mesh load to 5.0 to 6.0 lb-in. Refer to the Workshop Manual, Section 211-00 for repair procedure. Set cross caster to (-0.5°). Use caster slugs if necessary. Set caster, camber, toe and clear vision within specifications. See Section 204-00 of the appropriate Workshop Manual. Test operation.

6. Install new pads with the same edge code. Machine the rotors using Rotunda Hub-Mount Brake Lathe / Pro-Cut (201-00002) or replace the rotors. Burnish the linings by a minimum of 50 brake applications from 40 MPH (64 km/h) to stop. Provide sufficient lime between brake applications so that linings do not smoke or overheat. Check operation. If the condition is still present, burnish the linings once more and check operation.
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