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Flame Trap Question 850 1996

posted by  georgep on  Sun Aug 31 16:29 CST 2003
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I have read several posts about the importance of keeping the flame trap clean on normally aspirated engines since this device takes the place of a PCV valve.
While removing the flame trap for cleaning from my 96 850 (81K miles) I noticed that there are actually 2 nipples on the upstream end of the flame trap housing. There is an approximately 1/2" nipple as well as a smaller nipple. This 1/2" hose is obviously the hose through which most of the gasses flow. However I noticed on the small nipple that it had the remnants of a deteriorated small rubber hose stuck but there was no hose attached to it. I looked for the other end of the hose that may have been there at one times was was unable to find anything. Not having a hose attached to this smaller nipple would appear to create an opportunity for a vacuum leak.
Does anyone have any ideas where the smaller vacuum hose on the inlet side of the flame trap housing is supposed to be routed to??
Thanks in advance for any information on this!
GP






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