I have a 95 F250 351 oil pan needs to be replaced. How hard is this?

 

I just did mine this summer ('93 F250 351w 2wd). Not fun. Basically, you have to rip off everything above the lower intake manifold. Unbolt, unplug and jack up the rear of the tranny. Take off the pass. side exhaust manifold. Unhook any tubes to the cat. Unbolt the engine from the mounts. Unbolt the cooling fan.(so it doesn't munch the shroud--you could also take off the shroud). Now jack the engine up by the harmonic balancer until it hits something--do this slowly and stop if you feel a sudden jump in resistance--you'll need about a 8-12" block of wood on a jack to do it unless you remove the tie rod, but I found the tie rod helps the block stay in place. Unbolt the pan and lower it as far as you need to so you can unbolt the oil pump and drop it into the pan. Now you should be able to get the pan out. If you can't, you didn't get the engine up high enough. There are some more acrobatics to get it all back in. You'll have to pull the distributor to have someone use a magnet to hold the oil pump shaft in place (insert from bottom, hold in place from top). You'll have to put the oil pump and pickup tube into the new pan before you slide the pan in place, then do some contortionism to bolt on the pump with said pan now in your way. Oh, and I'd use some black silicone to glue the new gasket onto the pan and give it plenty of time to set up (don't use a lot of silicone, just a thin smear). Then put everything else back together. Label, mark, take pictures, whatever you need to do. Personally, even though I probably wouldn't have the dough, I'd let a shop do it next time. I also replaced the oil pump and pickup tube while I had it all apart so that I'd never have to take it apart again (hopefully).

Bottom line: I had to do it in a gravel driveway which added some challenges, but it basically would've sucked anywhere.

Jason

 

everything jason said but you may have to unbolt trans mount also.

the hard part is clearing the trans. bellhousing.

good luck, it would suck to do this in winter.

 

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Oops...that's what I meant, quicklook2, I didn't meant to unbolt the tranny from the engine, just the rear mount/support/cross-member. It helps to jack it up enough so that you can slip a 1" or so thick block between the cross-member and the studs, then set the tranny back down on that block so you can get that jack out of there.

Jason

 

I actualy did it earlier this summer without unbolting the tranny mount.... but it was a pain.. I wish I would have... Also be very careful about breaking bolts since most of the areas are too tight to use an EZ out...

 

I didn't unbolt the tranny mount itself, just the tranny from the cross-member. That way you can stick a block between the studs on the tranny and the x-member to hold it up without another jackstand back there in your way. It also helps with the angle of the drivetrain so that you can slide the pan out from between the bellhousing and the engine x-member. It would have been real easy if that front x-member were bolted on, but mine was definitely riveted.

Jason

 

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HAHAHA! Alright sorry I found that funny. Hey just think, if you fix it, you will have time to mingle with your truck and get to know er better. Just replace the ol girl's oil pan and she will give you years of further service