83 Accord Aux Intake Valve Removal

Discussion in 'Accord' started by please.post.here@tia, Sep 6, 2004.

  1. Is there a special tool for removing aux valve assembly from head
    without damaging it?

    please.post.here@tia, Sep 6, 2004
  2. please.post.here@tia

    Eric Guest

    Yes, you need one of these http://tinyurl.com/4sbfa and a small slide
    hammer. The tool clamps around the top of the auxiliary valve spring
    retainer and you use the slide hammer to pop the valve out after removing
    the retaining nut first (for which you'll need either a 21 or 22 mm deep 12
    point socket). Note that there are two copper seal rings for each valve and
    you'll need to replace both of the them. The lower seal ring can be
    annoying to get out. However, with a little patience and a 90° pick such as
    this http://tinyurl.com/5b695 you should be able to get it out without
    damaging the valve bore.

    Eric, Sep 7, 2004
  3. please.post.here@tia

    Eric Guest

    I forgot to mention that you need to be certain that the valve is pulled out
    of the bore along its vertical axis otherwise you may wind up bending the
    valve. Once the valves are removed, they can be disassembled by hand. In
    addition to the copper seal rings, also replace the o-ring of course. Also,
    make sure the valve bore in the head is clean of all carbon before
    installing the valve bodies back into the head (and don't forget to torque
    the locknuts). The cam tower/rocker arm assembly should be installed with
    the valve adjuster screws backed out 'till they're flush with the rocker arm
    to minimize the risk of catching one on a valve and bending it. Lastly, put
    a light coat of ultra gray silicone sealant on the head mating surfaces of
    the two end cam towers, the distributor carrier o-ring, and on the cam seal
    which may need to be replaced. Check the factory service manual for torque
    specs, http://www.helminc.com. By the way, you should check to see if the
    oil pump drive gear has been updated. This is a critical issue as these
    older Hondas had problems of eating up the gear teeth on the cam/drive gear
    resulting in metal contamination and loss of engine lubrication. This
    failure seemed to occur after the cam/cam towers/drive gear was disturbed.
    If you can remove the cam towers without removing the cap for the drive gear
    then you may be ok. However, it's best to update the drive gear if needed
    to be on the safe side. The old drive gear has a broad upper bearing
    surface while the updated drive gear has a more narrow upper bearing surface
    (about a 1/2 to 1/3 of the old style if I remember correctly) and a clip
    ring at the top.

    Eric, Sep 8, 2004
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