Valve Clearance Adjustment: Adjustment

NOTE: Connect the HDS to the DLC, and monitor ECT SENSOR 1. Adjust the valve clearance only when the engine coolant temperature is less than 100 °F (38 °C).

Cylinder Head Cover - Remove - Refer to: Cylinder Head Cover Removal and Installation (2014 2015), or Cylinder Head Cover Removal and Installation (2017)

Valve Clearance - Adjust

Courtesy of HONDA, U.S.A., INC.	1. Set the "UP" mark (A) on the exhaust camshaft sprocket as shown.
Courtesy of HONDA, U.S.A., INC.	2. Set CMP pulse plate A as shown.
Courtesy of HONDA, U.S.A., INC.	3. Select the correct feeler gauge for the valve clearance you are going to check.

Valve Clearance
Intake:	0.18-0.22 mm (0.008-0.008 in)
Exhaust:	No adjustment (Hydraulic tappet)

Courtesy of HONDA, U.S.A., INC.	4. Insert the feeler gauge (A) between the adjusting screw (B) and the end of the valve stem on the No. 1 cylinder, and slide it back and forth; you should feel a slight amount of drag.
Courtesy of HONDA, U.S.A., INC.	5. If you feel too much or too little drag, loosen the locknut with the locknut wrench and the adjuster, and turn the adjusting screw until the drag on the feeler gauge is correct. 6. Tighten the locknut to the specified torque, and recheck the clearance. Repeat the adjustment if necessary.

Specified Torque:

14 Nm (1.4 kgf-m, 10 lbf.ft/lbf.in)

Apply new engine oil to the nut threads.

Courtesy of HONDA, U.S.A., INC.	7. Rotate the crankshaft 180 ° clockwise (camshaft pulley turns 90 °). 8. Check and, if necessary, adjust the valve clearance on the No. 3 cylinder.
Courtesy of HONDA, U.S.A., INC.	9. Rotate the crankshaft 180 ° clockwise (camshaft pulley turns 90 °). 10. Check and, if necessary, adjust the valve clearance on the No. 4 cylinder.
Courtesy of HONDA, U.S.A., INC.	11. Rotate the crankshaft 180 ° clockwise (camshaft pulley turns 90 °). 12. Check and, if necessary, adjust the valve clearance on the No. 2 cylinder.

All Removed Parts - Install
Install the parts in the reverse order of removal.