VTEC Rocker Arm Test
Special Tools Required

Air supply, 3/8
 07LAJ-PR30102

Air adapter, M10 x 1.0
 070AJ-0010101
  1. Start the engine, and let it run for 5 minutes, then turn the ignition switch to LOCK (0).
  1. Remove the cylinder head cover.
  1. Rotate the crankshaft clockwise, and visually check that all the primary rocker arms (A) and secondary rocker arms (B) move freely.
    • If the primary rocker arm and secondary rocker arm move together, remove the primary and secondary rocker arms as an assembly, and check that the pistons in the primary and secondary rocker arms move smoothly. If any rocker arm needs replacing, replace the primary and secondary rocker arms as an assembly, then retest.
    • If all the primary rocker arms and secondary rocker arms move freely, go to Step 4 .
  1. Check that the air pressure on the shop air compressor gauge indicates over 400 kPa (4 kgf/cm 2 , 57 psi).
  1. Inspect the valve clearance.