Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision | Next revision Both sides next revision | ||
techtalk:ref:engmech05 [2019/07/18 18:52] hippysmack [Vent Outlet Above vs Below the Head Vents] |
techtalk:ref:engmech05 [2019/07/18 19:04] hippysmack [Filter on End of the Vent Line] |
||
---|---|---|---|
Line 120: | Line 120: | ||
This resistance can add to goop in the line / filter later. \\ | This resistance can add to goop in the line / filter later. \\ | ||
- | The filter does not keep debris from coming back into the engine. ((V of the XLFORUM http://xlforum.net/forums/showthread.php?p=2087347)) \\ | + | The filter does not keep debris from coming back into the engine. ((Folkie of the XLFORUM http://xlforum.net/forums/showthread.php?p=2087347)) \\ |
If anything can get back in, it means your umbrella valves are shot. \\ | If anything can get back in, it means your umbrella valves are shot. \\ | ||
There will be quite a bit of oil coming out the breathers, and all sorts of stuff going back in. \\ | There will be quite a bit of oil coming out the breathers, and all sorts of stuff going back in. \\ | ||
Line 127: | Line 127: | ||
If your breather valves are in good order, nothing can get back through them. \\ | If your breather valves are in good order, nothing can get back through them. \\ | ||
+ | The exception to this would be 91-03 engines with the middle rocker box umbrella valve with the tiny hole behind it. \\ | ||
+ | The tiny holes next to (and slightly lower than) the umbrella valves are for draining the separated oil back into the rocker box. \\ | ||
+ | However, there isn't large enough suction back on the vent line to pull debris up and into the engine. \\ | ||
+ | |||
===== Filter Placement ===== | ===== Filter Placement ===== |