News Technical Service Bulletins

Honda Oil Control Valves

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Honda 1

Note the location of the front rocker arm oil control valve (left). Disconnect the two connectors from the upper control valve.

This bulletin applies to 2008-2012 Honda Accord V6 A/T, 2010-2012 Crosstour V6, 2008-2010 Odyssey EX-L and higher, and all 2011-2017 Odyssey and 2009-2015 Pilot vehicles. The front rocker arm oil control valve may leak. The gasket on the control valve has deteriorated or the gasket groove is out of specification. If the control valve is leaking, replace it with P/N 15810-R70-A04.

Remove the engine cover. Disconnect the two connectors from the rocker arm oil control valve. Remove the three outer bolts that hold the upper front rocker arm control valve to the lower assembly. Do not remove the original front lower rocker arm control valve. If you remove it without loosening all of the valve adjusters and rocker shaft bolts in sequence, misfire DTCs can set after reassembly. Replacing only the gasket can result in an oil leak comeback.Remove the metal plate and the lower gasket from the front lower rocker arm control valve. Remove the three outer bolts from the new front rocker arm control valve. Install the new lower gasket to the lower portion of the lower control valve. Install the new metal plate, upper control valve and new bolts, and tighten the bolts to 6 ft-lb (8 Nm). Reconnect the connectors and install the engine cover. Verify that the leak has been eliminated.

Honda 2

Note the metal plate and gasket between the upper and lower control valves.

 

Honda 3

New bolts are used to connect the upper and lower valves.

 

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