Rocker Arm Assembly: Testing and Inspection
VTEC Rocker Arm TestSpecial Tools Required
- Gauge joint adapter 07LAK-PR30100
- VTEC air adapter 07ZAJ-PNAA100
1. Remove the cylinder head cover.
2. Set the No. 1Piston at Top Dead Center (TDC) (see step 2).
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 there is 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), then install the 8 x 1.25 mm bolt (D) to the gauge joint adapter.
8. Connect the two air hoses (E) to each VTEC air adapters.
9. 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.
10. Remove the special tools.
11. Tighten the camshaft holder bolts to 22 Nm (2.2 kgf-m, 16 ft. lbs.).
12. Install the cylinder head cover.