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Valve Clearance: SOHC

  1. Remove valve cover. Remove right inner fender apron extension to enable timing marks to be seen. Align crankshaft pulley timing mark with TDC mark on timing belt cover. See Figure .
  2. Remove distributor cap. Ensure rotor is pointing upward toward distributor hold-down bolt and to No. 1 terminal of distributor cap. If rotor is not as described, rotate engine 360 degrees.
  3. Measure valve clearance between adjustment screw and valve stem using shim thickness gauge. Check intake valve clearance of cylinders No. 1 and 2 and exhaust valve clearance of cylinders No. 1and 3. See VALVE CLEARANCE SPECIFICATIONS  table. Turn crankshaft one complete revolution (360 degrees). Check intake valve clearance of cylinders No. 3 and 4 and exhaust valve clearance of cylinders No. 2 and 4.
  4. Adjust valves by loosening lock nut and turning adjusting screw until clearance is as specified. Hold adjusting screw while tightening lock nut to 11.0-13.5 ft. lbs. (15-18 N.m). Recheck clearance.
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