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Old 06-28-2018, 06:49 AM   #1
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Oil Leak on Auction Bus

There is a bus in auction that I am watching that says it has an oil leak but runs fine. How concerned should I be about the leak if the price is right? Thanks.
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Old 06-28-2018, 08:33 AM   #2
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as long

if you can keep enough oil in the engine then you just have to keep the level good. That could mean stopping and adding oil every 5 miles.... Just don't know until you can assess the leak. if the leak is from the rear main seal. you might have four hours labor to remove and replace the transmission, so what $90 an hour? plus $15 to $20 for a seal?

does this help you any?

william
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Old 06-28-2018, 08:41 AM   #3
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Not knowing the location or severity of the leak makes it pretty hard to give advice. A rule of thumb is that all school buses leak at least a little bit, so the fact that it has a leak isn't shocking or even interesting. But not all leaks are the same.
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Old 06-28-2018, 09:19 AM   #4
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Originally Posted by magnakansas View Post
if you can keep enough oil in the engine then you just have to keep the level good. That could mean stopping and adding oil every 5 miles.... Just don't know until you can assess the leak. if the leak is from the rear main seal. you might have four hours labor to remove and replace the transmission, so what $90 an hour? plus $15 to $20 for a seal?

does this help you any?

william
It does, thanks. I'm going to see if I can find out where the leak is.
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Old 06-28-2018, 09:19 AM   #5
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Not knowing the location or severity of the leak makes it pretty hard to give advice. A rule of thumb is that all school buses leak at least a little bit, so the fact that it has a leak isn't shocking or even interesting. But not all leaks are the same.
I'm going to see if I can find out where the leak is.
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Old 06-28-2018, 10:24 AM   #6
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if you can keep enough oil in the engine then you just have to keep the level good. That could mean stopping and adding oil every 5 miles.... Just don't know until you can assess the leak. if the leak is from the rear main seal. you might have four hours labor to remove and replace the transmission, so what $90 an hour? plus $15 to $20 for a seal?

does this help you any?

william
Last time I checked 2 places, mainseal replacement was $1300 and $1500. Where do you know that will do a tranny R&R for $380?
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Old 06-29-2018, 06:18 AM   #7
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When I asked where the leak was, I got this response.

Oil leaks in multiple places primarily side cover. Crank seal may need replaced as well.

Probably should stay away from that one?
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Old 06-29-2018, 07:22 AM   #8
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Again, without knowing the location *and severity* it's hard to say. Those places are going to leak a little bit on any bus.
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Old 06-29-2018, 07:25 AM   #9
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Again, without knowing the location *and severity* it's hard to say. Those places are going to leak a little bit on any bus.
I get it. I appreciate the input, at least I know a leak isn't the end of the world, depending on where it is and how severe it is. Thanks again.
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Old 06-29-2018, 07:31 AM   #10
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The reality is, most of us just let them leak. My short bus uses about a gallon of oil every 5000 miles and I'm happy with that, it holds almost 5 gallons of oil so that's a drop in the bucket.
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