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Home >> Mitsubishi >> 1988 >> Starion ESI-R, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 2.6L 4-CYL - VIN [E] & 2.6L 4-CYL Turbo - VIN [N] >> Adjustments >> Jet Valves

Jet Valves

  1. Warm engine to normal operating temperature. Rotate crankshaft clockwise and position No. 1 cylinder at TDC of compression stroke. Ensure marks on crankshaft pulley and camshaft sprocket are properly aligned. See Fig 1.
    Fig 1: Aligning Marks For Jet Valve Adjustment
    G99230Courtesy of MITSUBISHI MOTOR SALES OF AMERICA, INC.
  2. Adjust jet valve clearance on No. 1 and 2 cylinders to specifications. See VALVE CLEARANCE SPECIFICATIONS table in this article. Rotate crankshaft 360 degrees and repeat procedure on remaining slaves.
CAUTION: DO NOT  compress jet valve spring during valve clearance adjustment.
VALVE CLEARANCE

Application Cold In. (mm) Hot In. (mm)
Jet Valve .007 (.17) .010 (.25)
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