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Re: rear main seal oil leak on 3.0 v6 ford ranger/ qiuck...
You can do this at home, but you will need to remove the transmission to gain access to the rear main seal. The seals in the newer engines are a one piece seal, and the only way to replace them is to remove the tranny and the flywheel or flex plate to gain access to the retaining cover to the seal. A lot of work. But, if you can do it yourself you will save yourself lots of money. Labor to perform this repair will be high as it requires more time to assemble and disassemble than to actually replace the seal itself.
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In order to replace the rear main seal you will need some auto repair tools and experience . this is a big job , the transmission must be removed to replace this seal, also make sure that the seal is the leak,
oil always flows down, a leak on the top of the engine will flow down and drip at the center rear and look like a rear main seal , make sure that is the leak!!.
Depending on what engine you have and if it has 4 wheel drive the time for a shop to do is from 7 to 10 hours depending on engine size and 4wd,
ok, There are many areas that the oil could leak from. Head gasket, oil pan gasket, rear main seal, front seal, valve cover gasket. You'll need to locate the leak under the car in order to know which one to replace. There is nothing simple about replacing the rear main seal and although he front seal is easier it can still be a problem. Good Luck.
Hello, this is probaly your rear main seal on the back of your crankshaft. I would check and see if it is a two piece or a one piece main seal. You sound like a knowledable mechanic so this would not be to heard if you have taken a oil pan gasket off a ranger. I have a ranger and did an oil pan in a parking lot without jacking it up and removing the motor and shock like the manual says so I know that takes some skill. So, look up the seal in your Haynes or Chilton Auto Manual and I would replace this seal. Oil near your starter and the back of the oil pan is a classic sign of a rear main seal. Now, to get the seal in out you can refer to your manual and just remember to torque your rear main bearing cap to the proper torque when your done and also try to clean the bottom of your oil sump screen while your down there that would be a benefit later on. A tip to get a stuck seal out is to take an old wire tester the one that looks like an ice pick; this can push out a stuck rear oil seal very easily. I hope this helps your problem and I wish you the best of luck. If you have any other questions just email me ok.
One thing you may want to try especially if you don't have a heated garage is a bottle of Bar's leak rear main sealer. I had a leak big enough to cause my clutch to slip and it worked for me. I figure in the spring I'll replace the seal, maybe.