Well I found a puddle of oil under my 1993 F150 with a 4.9L straight six cylinder..I got to investigating and found that at the bottom of the oil pan near the plug there was a very small hole. So I ordered the new pan and gasket and then got to reading some books about the removal of one..it sounded a little more complicated than I had planned. So how hard is it to change one? Any tips will help. Thanks.
I'm not sure about a 1993 f-150 but, the 1988's oil pan is pretty easy to take off and exchange. My starter was in the way a little bit to get off 2 of the bolts holding the pan on but, that was no big deal just unloosen it's 2 bolts and pop it back on after you're done.
I don't think a 1993 would be much more if anymore complicated than my 1988 but, you never know. The hard part is getting a good seal. Make sure you have the surface of the new pan extra clean and if i were you i would buy a neoprene (tough rubber) gasket with the steel washer sorta things around each bolt hole. Make sure before you put it on you have it aligned correctly and always torque each bolt down the same. If you don't own a torque wrench then use a drill with a torque presetting to tighten them down. it seems to work also.
If it still leaks after then remove it again and put rtv around each hole then reset it.
My 85 4X4 all i had to do was undo the nuts on the motor mounts that go to the frame, and jack it up enough to lay 2X4 block flat on each side. I didn't have to disconect anything. and the pan had TONS of room. I could of done it without jacking it up but my big ole' Craftsman Torque Wrench is like over 2ft long and it wouldn't fit.
It's easy. With the I6 you can also do an Inframe overhaul if you don't have a crane.
I was stupid and didn't get the 1 piece. That stupid rear piece kept falling into the pan. So when i did the mains and rods i learned to put some RTV in the groove on the block put the rear piece in place and RTV'd the other pieces of the gasket to the OilPan. then at where they met put some RTV.
Took about 2hrs to do it right.
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Well my motor is in a 1977 pickup so the starter just over lapped 2 of my oil pan bolts on the passenger side. It was super easy for me because, my tires are 35 12.5s and it is lifted. Therefore i literally just sat underneath it and unbolted everything until the pan was ready to come off. Then i punched it once to unseat the pan and the old gasket and off it came. AFter that i took a straight razor to the bottom of the block to get any peices of the old cork gasket off. After i did that 90% of the gasket was on the pan which i scraped off with a straight razor and cleaned the pan thoroughly with gasoline (i used my old pan it was in fine shape).
In my 95 f150 the oil pan gasket had wedged out and i thought no big deal. I was wrong. When i jack up the engine, to max hieght with out crushing hoses, to get the pan out i was half an inch to an inch away from getting clearance by the transmission. Since it was just the gasket i slip the gasket in around everything else and just bolted it back up. No more problems. If i had to take the oil pan out i would also have to remove the transmission. Good Luck.
I have a '91 F150 4x4. My truck was fairly easy to replace. I just jacked up the front of the engine after unbolting the motor mounts. I did have to remove the wiper motor to give my EFI intake room to clear. There was not alot of extra room but enough, even past the pickup tube. My biggest regret is that I did not replace the oil pump while I was in there. Now I have to do it again. The oil pump is not expensive. I would replace it whether it needs it or not.
I have a '95 f-150 and I just changed my oil pan gasket. It was pretty easy but I did have to unbolt the motor mounts (I was changing them anyway) and unbolt the trans. mount and remove the starter. I had to jack up the motor and trans. about 3" or so to clear the pan from the crossmember. Once I had everything high enough the pan just slipped right out. I cleaned everything real good and put on the new gasket and the pan just slipped right back into place. I took my time and spend about 4 hours for the pan and mounts. Overall easy job.
I am not familiar with the '81 pan so I am sure if it is the same shape. If it is the same, I don't see why it doesn't work. I would pull the pan and compare the rubber gasket. Most of national auto parts stores, i.e. AutoZone, will allow a return if you don't actually use install the gasket.
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