RSX L4-2.0L (2005)
Rocker Arm Assembly: Testing and Inspection
VTEC Rocker Arm Test
VTEC Rocker Arm Test
Special Tools Required
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Air pressure regulator 07AAJ-PNAA100
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VTEC air adapter 07ZAJ-PNAA100
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VTEC air stopper 07ZAJ-PNAA200
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Air joint adapter 07ZAJ-PNAA300
K20A3 Engine
1. Remove the cylinder head cover.
2. Set the No. 1 piston at top dead center (TDC).
3. Verify that the intake primary rocker arm (A) moves independently of the intake secondary rocker arm (B).
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If the intake primary rocker arm does not move, remove the primary and secondary rocker arms as an assembly, and check that the pistons in
the secondary and primary rocker arms move smoothly. If any rocker arm needs replacing, replace the primary and secondary rocker arms as
an assembly, and test.
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If the intake primary rocker arm moves freely, go to step 4.
4. Repeat step 3 on the remaining intake primary rocker arms with each piston at TDC. When all the primary rocker arms pass the test, go to step 5.
5. Check that the air pressure on the shop air compressor gauge indicates over 400 kPa (4.0 kgf/cm2, 57 psi).
6. Inspect the valve clearance.
7. Remove the sealing bolt (A) from the relief hole, and install the VTEC air stopper (B).
8. Remove the No. 2 and No. 3 camshaft holder bolts, and install the VTEC air adapters (C) finger-tight.
9. Connect the air joint adapter (D), and air pressure regulator (E).
10. Loosen the valve on the regulator, and apply the specified air pressure.
Specified Air Pressure: 290 kPa (3.0 kgf/cm2, 42 psi)
NOTE: If the synchronizing piston does not move after applying air pressure; move the primary or secondary rocker arm up and down manually
by rotating the crankshaft clockwise.
