Removing oil pan in place....RHD

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nathanmac

Member
I have a 99 motor in a 1940 pickup and one (or two) of the core plugs in the oil pan surface have sprung a leak. Has anyone replaced these without removing the motor?

So far I have removed all the bolts out of the oil pan only just to see what movement I could get. I haven't removed the crossover pipe or tie rod. Also, being right hand drive there is the small matter of the steering box and starter motor fighting for space. So I haven't undone the starter either.

Soooo... anyone else tried to replace these little blighters without pulling the motor? They appeared new when I inspected the motor before putting it in - my father had put rings and bearings in it then it sat for 20 years, without water. So I didn't really think they needed replaced.

Any advice appreciated on this, it's been tough seeing it sit in the shed the past 6 months without time to fix it... Thanks!
 
Can't help with 1940 Fords, but I removed the Oil Pan from my RHD 1934 Ford while the Engine was still in the car. Replaced the Welsh Plugs and reinstalled it. Much easier than removing the Hood, Grille Radiator just to get at the Engine. It worked for me.
 
Thanks, that gives me a bit more hope...! any issues with clearances etc? Like you I'm keen to avoid upsetting the sheetmetal but don't want to get it half pulled apart and find there's one little catch that means I have to pull it all out anyway. Looks like I have to drop the front of the sump and move it forward off the dowel(s) at the back so it'll drop down. Don't really have any time off work so I don't want to be mucking around too much!
 
Nathan , your pickup is not black is it ? if so I have a pic of it I took outside the truck museum in 2015 when I were back & went to the Burt. I have many close friends down there in Invercargil.
Cheers
Tony
 
Hi, I'm busy on my 35 rhd phaeton and about to pull the motor and ****** to repaint the frame and motor. I was going to look at core plugs on the block with a view of replacing them, but core plugs on the oil pan?? Are these inside the motor or where please?
Regards
Viv
 
core plugs are on the bottom, between oil pan and block. you can see two bumps on the side of the block where they are located. not freeze plugs, but for the factory to remove sand from the casting process
 
KiWinUS said:
Nathan , your pickup is not black is it ? if so I have a pic of it I took outside the truck museum in 2015 when I were back & went to the Burt. I have many close friends down there in Invercargil.
Cheers
Tony
Click to expand...

Yes that’s the one - I think we took it there when it opened that Burt Munro weekend from memory - back when the water stayed where the water should!
 
305442

Here is a picture of the underside of my 34 V8 engine. Notice the 4 Holes that are hidden when the Sump is on. When you remove the Sump (Pan), make sure that you remove these 4 Plugs, and poke wire or similar up the holes to disturb all the buildup of sludge, scale etc. You will be surprised at how much rubbish gets trapped in there. Hope that this picture helps. Mercman <><
 
Regarding Pan removal while engine is fitted in car, I unbolted the Radius Rods at the rear of my 34 Ford and put a spacer in there to bring them down lower at the rear. I didn't undo the front engine mounts. Hope that this helps.
 
mercman from oz said:
Regarding Pan removal while engine is fitted in car, I unbolted the Radius Rods at the rear of my 34 Ford and put a spacer in there to bring them down lower at the rear. I didn't undo the front engine mounts. Hope that this helps.
Click to expand...

Thanks, yes I’d rather do this - (or remove the whole front axle) than upset all the front sheet metal. Thanks.
 
I think if you jack up the chassis and use some jack stands that will relax the front spring and that will allow you to remove the oil pan easier. This works with both the 4 cylinder & the V 8. Dave
 
Dave Slater said:
I think if you jack up the chassis and use some jack stands that will relax the front spring and that will allow you to remove the oil pan easier. This works with both the 4 cylinder & the V 8. Dave
Click to expand...

Thanks, hope to get back underneath it soon so will give that a go - will do anything to get an extra mm or 2!
 
nathanmac said:
Is this to clear the front crossmember? Or steering gear? I’m not sure I’m going to be able to lift the motor in the shed I’m working in...
Click to expand...

If clearance from the cross member is the problem (versus steering linkage), you do not have to lift the engine from above. Remove the front motor mount bolts, jack up the engine from beneath about an inch at the front mounts and put some sort of spacer (board, stack of washers) on each mount. Use a board between the jack and pan to spread the load - the pan will take it. Let the engine down on the spacers and remove the jack. You should then have enough room to get the pan past the front cross member.
 
Thanks for the advice above, and thanks for the call earlier today Richie.
Had the kids out doing the hard work earlier, so a little bit closer...
 

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