TM10-3930-660-20 Table  2-3. Mechanical  Troubleshooting  (Cont’d) MALFUNCTION TEST OR INSPECTION CORRECTIVE  ACTION STEERING 42. UNIT PULLS TO THE RIGHT OR LEFT WHEN MOVING STRAIGHT AHEAD Step 1. Check wheel alignment. Adjust tie rod as necessary, para. 14-5. Step 2. Inspect steering cylinder for hydraulic oil leaking past cylinder piston. Replace steering cylinder, para. 14-8. Step 3. Check for worn steering control valve. Replace steering control valve, para. 14-10. Step 4. Check for worn steering select valve. Test steering select valve. Repair or replace steering select valve if defective, para. 14-11. Step 5. Inspect service brake caliper and rotor for damage. Repair or replace service brake caliper or rotor. Refer to Direct Support Maintenance. 43. VEHICLE WILL NOT STEER OR IS HARD TOI STEER Step 1. Check for defective priority valve, Replace priority valve if required, para. 18-8. Step 2. Inspect steering control valve for leakage. Replace steering control valve as required, para. 14-10. Step 3. Check for low tamdem gear pump flow. Test large section of tandem gear pump for output. Replace if necessary, para. 18-4. 44. STEERING WHEEL KICKBACK Step 1. Check for air in hydraulic system Check for leaks and loose connections on pump inlet lines. Purge air by operating hydraulic system, para. 18-3. 2-46