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Home >> Mitsubishi >> 1991 >> Precis Base, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.5L 4-CYL - VINS [A,J,X] & 1.6L 4-CYL - VIN [Y] >> Adjustments >> Valve Clearance Adjustment >> 1.5L

Valve Clearance Adjustment: 1.5L

  1. Ensure cylinder head bolts are properly tightened and engine is at normal operating temperature before measuring or adjusting valve clearances. See TORQUE SPECIFICATIONS . Remove spark plugs and rocker arm cover. Rotate engine clockwise as viewed from timing belt end of engine.
  2. Align notch on crankshaft pulley with "T" mark on timing belt cover and No. 1 cylinder is at TDC of compression stroke. Adjust intake valves of cylinders No. 1 and 2, and exhaust valves of cylinders No. 1 and 3 to specification. See VALVE CLEARANCE SPECIFICATIONS  table.
  3. Rotate crankshaft clockwise 360 degrees to position cylinder No. 4 at TDC of compression stroke. Adjust intake valves of cylinders No. 3 and 4, and exhaust valves of cylinders No. 2 and 4. Install rocker cover and spark plugs.
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