Rocker Arm and Shaft Disassembly, Reassembly, and Inspection (2.4 L Engine) (2017 2018 2019): Inspection

Rocker Arm and Shaft - Inspect

Courtesy of HONDA, U.S.A., INC.

1. Measure the diameter of the shaft at the first rocker location.

Courtesy of HONDA, U.S.A., INC.

2. Zero the gauge (A) to the shaft diameter.

Courtesy of HONDA, U.S.A., INC.

3. Measure the inside diameter of the rocker arm, and check it for an out-of-round condition.

4. Repeat for all rocker arms and both shafts. If the clearance is beyond the service limit, replace the rocker shaft and all out of service limit rocker arms. If any VTEC rocker arm needs replacement, replace the rocker arms (primary, mid, and secondary), as a set.

Rocker Arm-to-Shaft Clearance
Standard (New):
Intake:	0.018-0.059 mm (0.00071-0.00232 in)
Exhaust:	0.018-0.056 mm (0.00071-0.00220 in)
Service Limit:	0.080 mm (0.00315 in)

VTEC Rocker Arm - Inspect

Courtesy of HONDA, U.S.A., INC.

1. Inspect the rocker arm pistons (A). Push on each piston manually. If it does not move smoothly, replace the rocker arm set.NOTE: Apply new engine oil to the rocker arm pistons when reassembling.