VTEC Rocker Arms
VTEC Rocker Arm TestSpecial Tools Required
^ Air pressure regulator 07AAJ-PNAA100
^ Gauge joint adapter 07LAK-PR3A101
^ VTEC air adapter (2) 07ZAJ-PNAA100
^ Air joint adapter 07ZAJ-PNAA300
1. Remove the cylinder head cover.
2. Set the No.1 Piston at Top Dead Center (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 indicator is over 400 kPa (4 kgf/cm2, 57 psi). Make sure no water in the air hose and air compressor tank.
5. Inspect the valve clearance.
6. Remove the No. 3 and No. 4 camshaft holder bolts, and install the VTEC air adapters (A) finger-tight.
7. Install the gauge joint adapter (B) to the inspection hole (C).
8. Connect the air joint adapter (D) to the VTEC air adapters.
9. Connect the air pressure regulator (E) to the air joint adapter.
10. 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.
11. Remove the special tools.
12. Tighten the camshaft holder bolts to 22 Nm (2.2 kgf-m, 16 ft. lbs.).
13. Install the cylinder head cover.