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Message
Sudden major oil leak on 7.3
Posted on 12/14/24 at 3:28 pm
Posted on 12/14/24 at 3:28 pm
1999 f-250 7.3
Changed my oil, oil filter, and fuel filter today same as I always do. When I started the truck up, there was a huge amount of oil immediately dumping onto the driveway. It's coming out of the weephole and the back of the engine and some where on the passenger side too but couldn't tell where. I'm talking probably a quart or more in a matter of moments. I don't think I did anything wrong or different on the oil change, I've done it a thousand times.
Any ideas?
Changed my oil, oil filter, and fuel filter today same as I always do. When I started the truck up, there was a huge amount of oil immediately dumping onto the driveway. It's coming out of the weephole and the back of the engine and some where on the passenger side too but couldn't tell where. I'm talking probably a quart or more in a matter of moments. I don't think I did anything wrong or different on the oil change, I've done it a thousand times.
Any ideas?
6
Posted on 12/14/24 at 3:38 pm to Sam Quint
Maybe the old oil filter gasket stay on. Then you put new oil filter on. Two gaskets. I seen this a few times. Just check old oil filter to see if the gasket is on/off
Posted on 12/14/24 at 3:44 pm to KRS
Yep, was going to post did you confirm the old gasket came off cleanly?
Posted on 12/14/24 at 3:56 pm to KRS
It was leaking from up higher than that, and from the passenger side too
Posted on 12/14/24 at 3:56 pm to Sam Quint
Look on top of the motor. If it is coming out of the weep hole it is being channeled down from the top side.
Posted on 12/14/24 at 4:01 pm to Sam Quint
Posted on 12/14/24 at 4:03 pm to KRS
Yea probably a HPOP line if it is a large amount of oil.
Posted on 12/14/24 at 4:15 pm to highcotton2
Sounds like HPOP is probably it based on how much and how fast it was coming out. Sigh.
Posted on 12/14/24 at 4:15 pm to Sam Quint
Could it possibly be fuel that looks like oil by the time it hits the ground?? Collecting grime on the way down??
Maybe your nose doesn’t work like some of my buds.
Cycle the key on (not cranking) allowing the electric fuel pump to cycle, then off, and repeat while leaking for a leak.
I’ve seen double gaskets or cross threaded fuel filter housings leak like hell into the valley.
Maybe your nose doesn’t work like some of my buds.
Cycle the key on (not cranking) allowing the electric fuel pump to cycle, then off, and repeat while leaking for a leak.
I’ve seen double gaskets or cross threaded fuel filter housings leak like hell into the valley.
This post was edited on 12/14/24 at 4:17 pm
Posted on 12/14/24 at 4:28 pm to Bowlinm
There's oil AND diesel. Diesel coming out from around the bowl and oil coming from somewhere else that I can't determine
Posted on 12/14/24 at 4:45 pm to Sam Quint
Fuel leak washing all the oil residue from engine valley accumulated due to turbo pedestal slow leak.
This post was edited on 12/14/24 at 4:47 pm
Posted on 12/14/24 at 4:48 pm to White Bear
It's definitely leaking oil too. It's the fresh, clear, brand new oil I just put in it
Posted on 12/14/24 at 9:39 pm to Sam Quint
quote:I don’t know then. The injector oil pressure regulator (IPR) is beneath the fuel bowl on the rear of the hpop, maybe it or the oring leaking. Or one of the high pressure oil lines. Maybe?
It's definitely leaking oil too. It's the fresh, clear, brand new oil I just put in it
Posted on 12/14/24 at 10:15 pm to White Bear
Man i don't know. I'm taking it to the diesel mechanic on Monday. Frustrating. Tempted to finally pull the trigger on a new truck.
Posted on 12/15/24 at 6:53 am to Sam Quint
quote:
Tempted to finally pull the trigger on a new truck.
A new loaded diesel can be yours for the low low price of an exotic supercar.
Posted on 12/15/24 at 7:24 am to Sam Quint
quote:
Tempted to finally pull the trigger on a new truck.
Whatever wrong with yours will cost far less than the down payment for a new one.
Posted on 12/15/24 at 8:39 am to DownshiftAndFloorIt
Ugh I know.
Posted on 12/15/24 at 8:48 am to Sam Quint
I'm very emotional and you guys are coming at me with logic
Posted on 12/15/24 at 9:42 am to Sam Quint
On my old 95 I had a fuel leak in the top valley, it was a high pressure line that was a bitch to change cuz it's only about 4" long and crammed between two fittings 2" apart. When it started dumping a quart of oil at startup when cold it was the rear main seal.
Posted on 12/15/24 at 10:33 am to Sea Hoss
quote:
rear main seal.
Buddy just had his 97 rear seal replaced.
It's a lot.of work and while they have everything pulled out and apart he went after several other items.
All said though his truck looks like a showroom and he's still rolling it. Worth the costs.
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