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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 deg.F (38 deg.C).
  1. Cylinder Head Cover - Remove
  2. Valve Clearance - Adjust
    GHH370064Courtesy of HONDA, U.S.A., INC.
    		 1. Set the No. 1 piston at top dead center (TDC). Align the pointer (A) on the front upper cover with the No. 1 piston TDC mark (B) on the front camshaft pulley.
    REAR 
    GHH370065GHH370066Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.

    FRONT 

    GHH370065GHH370066Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.
    		 2. Select the correct feeler gauge for the valve clearance you are going to check.

    Valve Clearance 
    Exhaust:  0.28-0.32 mm (0.011-0.012 in) 
    Intake:  0.20-0.24 mm (0.008-0.009 in) 
    INTAKE 
    GHH370067GHH370068Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.

    EXHAUST 

    GHH370067GHH370068Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.
    		 3. Insert the feeler gauge (A) between the adjusting screw 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.
    INTAKE 
    GHH370069GHH370070Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.

    EXHAUST 

    GHH370069GHH370070Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.
    		 4. If you feel too much or too little drag, loosen the locknut, and turn the adjusting screw until the drag on the feeler gauge is correct.

    5. While holding the adjusting screw with the screw driver, tighten the locknut, then recheck the clearance. Repeat the adjustment, if necessary.

    Specified Torque 
    20 N.m (2.0 kgf.m, 15 lbf.ft) 
    Apply new engine oil to the nut threads. 
    GHH370071Courtesy of HONDA, U.S.A., INC.
    		 6. Rotate the crankshaft clockwise. Align the pointer (A) on the front upper cover with the No. 4 piston TDC mark (B) on the front camshaft pulley.

    7. Check and, if necessary, adjust the valve clearance on the No. 4 cylinder.
    GHH370072Courtesy of HONDA, U.S.A., INC.
    		 8. Rotate the crankshaft clockwise. Align the pointer (A) on the front upper cover with the No. 2 piston TDC mark (B) on the front camshaft pulley.

    9. Check and, if necessary, adjust the valve clearance on the No. 2 cylinder.
    GHH370073Courtesy of HONDA, U.S.A., INC.
    		 10. Rotate the crankshaft clockwise. Align the pointer (A) on the front upper cover with the No. 5 piston TDC mark (B) on the front camshaft pulley.

    11. Check and, if necessary, adjust the valve clearance on the No. 5 cylinder.
    GHH370074Courtesy of HONDA, U.S.A., INC.
    		 12. Rotate the crankshaft clockwise. Align the pointer (A) on the front upper cover with the No. 3 piston TDC mark (B) on the front camshaft pulley.

    13. Check and, if necessary, adjust the valve clearance on the No. 3 cylinder.
    GHH370075Courtesy of HONDA, U.S.A., INC.
    		 14. Rotate the crankshaft clockwise. Align the pointer (A) on the front upper cover with the No. 6 piston TDC mark (B) on the front camshaft pulley.

    15. Check and, if necessary, adjust the valve clearance on the No. 6 cylinder.
  3. All Removed Parts - Install
    1. Install the parts in the reverse order of removal.
  4. Maintenance Minder - Reset (With Maintenance Minder System)
    1. If the Maintenance Minder required to inspect the valve clearance, reset the Maintenance Minder with the gauge (see "Resetting the Maintenance Minder").
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