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Home >> Pontiac >> 1983 >> 2000 Sunbird Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 2.0L 4-CYL OHV - VIN [P] >> Adjustments >> Hydraulic Valve Lifter Adjustment

Hydraulic Valve Lifter Adjustment

  1. Rotate engine until No. 1 cylinder is at TDC of compression stroke. Verify that mark on crankshaft pulley lines up with "O" mark on timing plate. The following valves may be adjusted: No. 1 and 2 intake; No. 1 and 3 exhaust.
  2. To adjust, back off adjusting nut until clearance is felt at push rod. Tighten adjusting nut until all clearance is removed. Turn adjusting nut an additional 1 1/2 turns to center lifter plunger in bore.
  3. Rotate crankshaft 360° and realign timing marks. Adjust No. 3 and 4 intake valves and No. 2 and 4 exhaust valves.
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