TM  10-3930-643-34 STEERING  TROUBLESHOOTING  AND  MAINTENANCE. 9-1. Steering  Troubleshooting. MALFUNCTION TEST  OR  INSPECTION CORRECTIVE  ACTION c.  NOISY  OPERATION. Step 1. Check  steering  circuit  relief  valve  for  possible  chattering, refer to paragraph 9-7. Repair as necessary. Step 2. Refer to TM 10-3930-643-20 for other malfunctions (steering gear noise). Also, refer to paragraph 12-1. d. HYDRAULIC OIL HEATING UP. Step 1. Check  steering  circuit  relief  valve  for  insufficient  valve pressure or pressure too high, refer to paragraph 9-7. Adjust  to  correct  pressure  setting. Step 2. Check  steering  circuit  relief  valve  to  determine  if  defective, refer to paragraph 9-7. Repair  steering  circuit  relief  valve. e. INSUFFICIENT  STEERING  PRESSURE. Check  steering  circuit  relief  valve  pressure,  refer  to  paragraph  9-7. Adjust  to  correct  pressure  setting. 9-3