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i bought a new distributor i set it in there and felt it go into the cam gear then i wriggled it around and it slipped in a bit more which at that time i believe it was on the oil pump shaft but would not go down any further. so i did the hammer thing and pounded it to the bottom. it did seet all the way at that time. but i really had to hit it hard. then i got scared and pulled it out thinking i may have tore something up.the shaft and the distributor shaft all look ok. so it was lined up after all.why did it go in that hard. didnt think it should go in that hard. anyone else have any experience with this???
Hello. I recently changed my distributor. When I put the other one in, it to engaged into the cam gear, but would not go down. It would engage all around but would remain unseated. Up about 1/2 inch or so. Was getting worried. I finally took a 5/16 inch nut driver and put it ontop of the oil pump shaft and turned it. It did not feel right. It turned to easy and moved around some. I had another engine that the dist. was pulled from and did the same thing. There was resistance and no side movement. What evedently happened was when I pull the dist. up out, there was enough resistance on the pump shaft, or a burr, that the dist. shaft pulled the pump shaft out of the pump. I could see the pump shaft in the hole. It looked alright, but it wasn't. I took some grease and filled the the nut driver. Placed it on the pump shaft, turned a little as I cocked the driver sideways and lifted. It took a few tries but the shaft finally went back into the pump. The dist. went right in and seated almost by itself.
This is what happened with mine. I don't know if you have the same problem or not. Hope this helps.
The pump drive is a hex or six-sided affair, when doing mine, I used the primer shaft (can use a socket and 6" extension-make sure the socket fits tight, don't want to lose that down there!) to turn the drive just a very little (and I mean very little) at a time until the dist. slid in. Hammering will turn the pump shaft eventually so that it lines up, usually they have a small bit of taper on 'em which helps.