How much out of pocket for a rear main seal? - Ford Powerstroke Diesel Forum
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Old 02-12-2013, 01:13 PM
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How much out of pocket for a rear main seal?

Found a great deal (possibly) on a mint 6.4, however has anyone paid out of pocket for a new rear main seal? Truck is out of warranty but the price seems low enough that it could be worth it. Just trying to get an idea before jumping into anything....

He said the truck was leaking oil and shut itself down, tried refilling it and starting it and it ran for a moment then shut down again where it was towed to the shop. He cannot afford to have the rear main done... Will the motor seize or will the truck hopefully shut down before then due to the low oil?
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Old 02-17-2013, 09:55 AM
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I don't think the injectors will fire without oil, but I doubt it's good to run it to that point. I can't imagine doing a rear main would be in any way easy or cheap on these engines. How bad is it leaking? If it's a few drops, I wouldn't worry about it. The shutting down thing is worrying. Unless it's really really cheap, I would stick with your 7.3, or keep it as a backup. I got a good deal on a 6.4, and it's been biting me in the *** since I bought it, so be careful...
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Old 02-17-2013, 01:20 PM
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Quote:
Originally Posted by StrokinNSmokin6.0 View Post
Found a great deal (possibly) on a mint 6.4, however has anyone paid out of pocket for a new rear main seal? Truck is out of warranty but the price seems low enough that it could be worth it. Just trying to get an idea before jumping into anything....

He said the truck was leaking oil and shut itself down, tried refilling it and starting it and it ran for a moment then shut down again where it was towed to the shop. He cannot afford to have the rear main done... Will the motor seize or will the truck hopefully shut down before then due to the low oil?
The rear main seal is a transmission out repair I believe. I could be wrong but I am pretty sure the transmission has to be pulled to get it done. Maybe someone with more expertise in a 6.4 will chime in and give the correct info.

Quote:
Originally Posted by RIDETHE View Post
I don't think the injectors will fire without oil, but I doubt it's good to run it to that point. I can't imagine doing a rear main would be in any way easy or cheap on these engines. How bad is it leaking? If it's a few drops, I wouldn't worry about it. The shutting down thing is worrying. Unless it's really really cheap, I would stick with your 7.3, or keep it as a backup. I got a good deal on a 6.4, and it's been biting me in the *** since I bought it, so be careful...
The 6.4 has a common rail fuel injection setup. They use a High Pressure Fuel Pump to pump the FUEL to high enough pressures to be injected into the cylinders. The 6.0 and 7.3's utilize a Hydraulic Electronic Unit Injector system where there is a High Pressure Oil Pump to pressurize the oil to fire the fuel from the injectors at the proper pressures.
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Old 02-17-2013, 07:53 PM
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rear main on a normal truck I'd charge 6-7 hours

the truck shouldn't be shutting itself down for an oil leak. I'd suspect something else is going on here because there isn't anything other than friction to keep the engine from running. Now if the thing is serverely overheated then yes it may failsafe and shut down. I forget what temp the oil filter standpipe melts at but that's not a good sign if you happen to come across that.
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