Take the hex plug out of the oil pump put oil in the oil pump. Click the register link above to proceed.
Priming Oil Pump On My Fresh 429 Rebuild King Daddy Caddy
How to prime oil pump after rebuild. Melling tech director george describes the proper method of priming engines and oil pumps. Stone simple and free way to prime the oil pump and make sure you have oil pressure on a new engine. The second method is to use engine assembly lube and lube all the moving parts. This is the stuff used in the medical field but works great for this purpose too. Essentially air trapped inside the pump while it was out of the crankcase prevents oil from flowing and the engine quickly goes dry. You may have to register before you can post.
You are doing damage to the bearings even trying to get oil pressure if the oil pump is just sucking air. He shows how to use the melling priming tools for in the pan pumps and our new mpl 101 pre lube oiler. Right now its just sucking air. If you use any other kind of grease the oil will not be able to displace it so make sure you only use petroleum jelly. Works on any engine. If this is your first visit be sure to check out the faq by clicking the link above.
To start viewing messages select the forum that you want to visit from the selection below. It will prime if you do that. You should try to pack the gears and pump cavity with petroleum jelly which will prime the pump and the oil will then displace the jelly. The vaseline will then be quickly dissolved into the oil. Vaseline will create the seal needed for vacuum to draw in oil. Priming oil pump after rebuild.
The first method is to pack the oil pump full of vaseline. Replacement harley oil pumps must be primed after installation but before their first use in order to prevent air lock or cavitation.
Gallery of How To Prime Oil Pump After Rebuild
