jonathan b.
New User
1967 ford 4000 deisel , it has a small oil leak coming from number 3 cyl. but just a small seep thought was valve cover but found coming out of exhaust any suggestions what could be thanks ?
- Thread starter jonathan b.
- Start date
Bob M
Well-known Member
There's 2 things going on here: 1 - There's a slight leak in the exhaust manifold gasket, and 2 - The engine is "wet stacking" from not being worked hard.
That "oil" you're seeing is actually a mixture of unburned fuel and soot. It accumulates in the exhaust manifold (and will leak thru a bad gasket) if the engine is run lightly loaded for a while. Working the engine hard for 20 - 30 minutes burn the stuff out.
Aside from the mess it makes I would not be too concerned.
That "oil" you're seeing is actually a mixture of unburned fuel and soot. It accumulates in the exhaust manifold (and will leak thru a bad gasket) if the engine is run lightly loaded for a while. Working the engine hard for 20 - 30 minutes burn the stuff out.
Aside from the mess it makes I would not be too concerned.
Billy Shafer
Well-known Member
Sounds like wet stacking. Very common on diesels that never have a good load on them. Light loads or idleing for long periods is not good for a diesel
Allan in NE
Well-known Member
Yep,
What everybody else has said. Look kinda like this?
Allan
What everybody else has said. Look kinda like this?
Allan
jonathan b.
New User
yeah thats what it looks like
jonathan b.
New User
it started while i was bushhogging some fairly thick stuff running around 1600-1700 rpm but wasnt bogging hardly at all could that still be what that is ?
Tx Jim
Well-known Member
- Location
- Coyote Flats, Texas
Why don't you run your engine at factory recommended pto speed???? That's why manufacturers have a recommended engine speed.
jonathan b.
New User
yeah thats what it is doing just now noticed when the exhaust manifold gasket burned out thanks for all the help
Tx Jim
Well-known Member
- Location
- Coyote Flats, Texas
The 5610 & 6700 that I owned were 540 @ 1900. I always run a rotary mower at full 540 rpm to get the best cutting results.
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