Dropped oil pump shaft
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Mountain Pass
Joined: Jan 2002
Posts: 198
Likes: 0
From: Ft. Pierce Fl usa
Dropped oil pump shaft
While rebuilding my 460 last week I discovered that once reinstalled in the truck that the shaft from the oil pump had come out and laid over from the pump. I had no oil pressure and when I installed the distributor it was way too easy to install. THE FIX. I surely didn't want to pull the engine again so I got creative. I took a 18" piece of soft copper tubing, found a punch with a 5/16 hex shaft. Inserted the punch about 3/8" into the tube and nealed the tube to it with a hammer. I then took the tube and located it on top of the disloged pump shaft and tapped it down carefully onto the shaft and pulled it out of the block. I then straigthend the tube again and put it back in the hole this time on top of the oil pump, twiting it to make sure it was on the pump correctly. I then inserted a stif wire down the tube and tapped it off the tube while holding the tube about 1/4" off the bottom with a vise grip. WORKED GREAT! Just a suggestion for anyone with the problem
MT
MT
Postmaster
Joined: Aug 2001
Posts: 2,882
Likes: 0
From: Nevada
Dropped oil pump shaft
There's a 'C' clip that goes on the oil pump shaft to keep it from pulling out of the oil pump. Without that clip, everytime the distributor is pulled, the oil pump shaft comes with it.
Senior User
Joined: Mar 2000
Posts: 448
Likes: 1
From: Chimacum/Jefferson County
Dropped oil pump shaft
Gotta have that retaining clip in there. It will save you alot of wasted man hours. Had a friend of mine buy a rebuild from Napa, well the supplier put the shaft in wrong with the retaining clip resting on the oil pump. You can guess what happened when installing the distibutor. If you buy a rebuild always check it.
77 F250 Highboy 4X4
"The Money Pit"
"If it wasn't for Chevy's my tools would rust"
https://www.ford-trucks.com/user_gallery/displaythumbnail.php?&photoid=10344&.jpg
77 F250 Highboy 4X4
"The Money Pit"
"If it wasn't for Chevy's my tools would rust"
https://www.ford-trucks.com/user_gallery/displaythumbnail.php?&photoid=10344&.jpg
Thread Starter
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Mountain Pass
Joined: Jan 2002
Posts: 198
Likes: 0
From: Ft. Pierce Fl usa
Dropped oil pump shaft
Thanks for the info. Now I need a little more info. My pump shaft had no C-clip nor did the new sealed power oil pump. Where does it fit in and can it be installed from the outside sort of like the shaft?
Postmaster
Joined: Aug 2001
Posts: 2,882
Likes: 0
From: Nevada
Dropped oil pump shaft
It has to be installed from the pan side of the block when the oil pump is installed. The clips normally come with a new oil pump drive shaft, not the oil pump. If you do go in there to make it right, install a new ARP drive shaft for cheap insurance. You were lucky you could get to it as without a clip they've been known to drop into the pan when pulling the distributor.
Postmaster
Joined: Aug 2001
Posts: 2,882
Likes: 0
From: Nevada
Dropped oil pump shaft
I'm just saying that if you pull the distributor without a retaining clip on the oil pump drive shaft, there's always a chance the shaft could drop into the pan. You might be lucky and never have it happen or it might lodge where you can fish it out.
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Senior User
Joined: Apr 2002
Posts: 482
Likes: 0
From: lake ariel usa
Dropped oil pump shaft
This is a common problem I have no clip either. Just be carefull when pulling dizzy back out if necesary and it should stay in the pump. Then when reinstalling I use a good mechanics magnet to fish the shaft out. Now heres my trick for installing. Put grease like wheel bearing type in the dizzy end and stick the shaft in there. Then put the dizzy and shaft in at the same time. The grease does a great job of holding the shaft in place. Andy
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Postmaster
Joined: Aug 2000
Posts: 3,312
Likes: 1
From: Eldorado Ca. USA
Dropped oil pump shaft
SO THATS WHAT THAT STUPID CLIP IS FOR!!! I always thought is was for keeping you from pullin the shaft all the way out when its stuck inside the oil pan, but then falls into the pan!! The first time I dropped a shaft, it took me around 4 hours to get it to go back in. the second time it happened, it took 10 minutes. Now I can re-install the shaft in like 4 minutes. I used a coat hangar and a mechanics magnet the first time, using the coat hanger bent into a hook to guide the shaft back in, there is about a 10-15* angle you have to deal with. The distributor trick sounds like a good idea, I personally NOW use a 5/16" deep socket (1/4" drive,) 8" extension, and grease to get the shaft to go back in now.
Tony
'77 F250, 4X4 460 transplantee, "Flamer"
'74 F250. 460, "beater" now "1 dead ford"
'73 F250, "midnight auto" now a trailer for the flamer
Tony
'77 F250, 4X4 460 transplantee, "Flamer"
'74 F250. 460, "beater" now "1 dead ford"
'73 F250, "midnight auto" now a trailer for the flamer
