VTEC Rocker Arms
VTEC Rocker Arms Test1. Remove the cylinder head cover.
2. Set the No. 1 piston at TDC.
3. Move the secondary rocker arm (A) for No. 1 cylinder. The secondary rocker arm should move independently of the mid rocker arm (B).
- If the secondary rocker arm does not move, remove the mid, primary and secondary rocker arms as an assembly, and check that the pistons in the mid and primary rocker arms move smoothly.
- If any rocker arm needs replacing, replace the mid, primary and secondary rocker arms as an assembly.
4. Check that the air pressure on the shop air compressor gauge indicates over 400 kPa (4 kgf/cm , 57 psi).
5. Inspect the valve clearance.
6. Connect an air pressure regulator with a 0 - 100 psi gauge (A) to the inspection hole (B).
7. Loosen the valve on the regulator, and apply the specified air pressure.
Specified Air Pressure: 250 - 490 kPa (2.5 - 5.0 kgf/cm2, 36 - 71 psi)
8. With the specified air pressure applied and the piston at TDC, move the secondary rocker arm (A). The mid rocker arm (B), primary rocker arm (C) and secondary rocker arm should move together. If the three rocker arms do not move together, replace the rocker arms as a set.
9. Remove the tools.
10. After inspection, check that the MIL does not come on.