Thanks Larry. I had this issue on an 0-200 and I think even my 0-300. But it's been years.
Jeff On Sun, Sep 1, 2019, 5:19 PM Flesner via KRnet <krnet@list.krnet.org> wrote: > On 9/1/2019 10:07 AM, Jeff York via KRnet wrote: > > Friend had had his 0-200 alternator rebuilt twice and it's gone out > again. > > He mentioned having oil on the belly and my thoughts are the following. > > Push rod tube oil leakage, or excessive crankcase pressure from bad rings > > causing blow by in excess of Air/oil separator, Air/Oil separator tube or > > tank issues. Alternator gear not having enough back lash causing oil > > leakage ( common to 0-200) > > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > Jeff Scott would be a more knowledgeable source on this but I'll give > some thoughts base on my experience. > > Push rod tubes can be a major source of oil leaks if they are getting > old and hard. New ones can leak a massive amount of oil if not seated > correctly. A good air/oil separator, if working correctly, should not > put oil on the belly but return it to the crankcase even with excessive > blow-by. Alternator should not leak, even with a bad alternator, if the > gasket is good. Does he have a pull type starter. My plunger was > leaking until I installed a new seal. I've been running B&C alternators > and they just don't leak with a good gasket. He could be getting case > split leakage on the bottom of the case or possibly leakage at the case > through bolts if not sealed good. Sometimes I think an 0-200 will leak > oil until the sump is empty regardless of what you do to fix the leaks. > He might try the oil dye test. Auto parts stores carry the dye and you > use a good "black light" to find the leaks. Wash the engine, run it, > then check for leaks. I tried that but the UV lights I purchased were > basically useless. You need a good one for any success. > > Good luck. > > Larry Flesner > > > _______________________________________________ > Search the KRnet Archives at > https://www.mail-archive.com/krnet@list.krnet.org/. > Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options. > To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org > _______________________________________________ Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/. Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change options. To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org
