When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
'89 740GL, b230 engine. Is the oil seperator located on left eng. bank, under the intake manifold suppose to have a check valve and act like a PCV valve? If not what provides air check between the flame arrestor and the crankcase? Nothing?