Brown oily sludge
- Thread starter drjbarnes
- Start date
Espos4
Well-Known Member
Pull the dipstick. What does the oil look like?
scoflaw
Well-Known Member
- Aug 10, 2011
- 6,395
- Boat Info
- 1999 Powerquest legend 260 sx 502 mag
2005 Baja 242 islander 496
- Engines
- 502 mpi Bravo 1
496 mag B1
water and oil mix.
drjbarnes
Member
The dipstick is coated with thick grey sludge. Why do these things happen on holidays?
scoflaw
Well-Known Member
- Aug 10, 2011
- 6,395
- Boat Info
- 1999 Powerquest legend 260 sx 502 mag
2005 Baja 242 islander 496
- Engines
- 502 mpi Bravo 1
496 mag B1
The good doctor should know that an ounce of prevention is worth a pound of cure.
Do you think it's freeze damage ? If the block isn't cracked, you will want to get the sludge out before rust sets in, if it's not too late
Do you think it's freeze damage ? If the block isn't cracked, you will want to get the sludge out before rust sets in, if it's not too late
drjbarnes
Member
Talked to my boat mechanic he says he will be real surprised if the block isn’t cracked.
We had a very mild winter, rarely below 35 degrees and no prolonged cold snaps. This was my first winter with this boat but the PO went through the winterization process he’s used for the previous 5 seasons with me. No change in Marina or slip. Freeze damage seems unlikely. I’ve been using the boat since mid-March without a hiccup. Went out for 3 days 2 weeks ago, oil level and consistency looked good before that trip. Today was the first time I’ve been in the EC since that trip.
We had a very mild winter, rarely below 35 degrees and no prolonged cold snaps. This was my first winter with this boat but the PO went through the winterization process he’s used for the previous 5 seasons with me. No change in Marina or slip. Freeze damage seems unlikely. I’ve been using the boat since mid-March without a hiccup. Went out for 3 days 2 weeks ago, oil level and consistency looked good before that trip. Today was the first time I’ve been in the EC since that trip.
- Oct 6, 2006
- 12,153
- Boat Info
- 1996 450DA
- Engines
- 3116 Caterpillars
I'm betting on a failed riser to manifold gasket since water is on top of the intake manifold and water is also in the oil.
scoflaw
Well-Known Member
- Aug 10, 2011
- 6,395
- Boat Info
- 1999 Powerquest legend 260 sx 502 mag
2005 Baja 242 islander 496
- Engines
- 502 mpi Bravo 1
496 mag B1
There's no oil at that joint, unless he has a full closed system and his CC system has a bunch of oil in it. So where did the oil come from ? Is it blowing out the valve cover breather ?
Don't really matter at this point, a bunch of that motor has to come apart.
- Oct 6, 2006
- 12,153
- Boat Info
- 1996 450DA
- Engines
- 3116 Caterpillars
We are all guessing at this point, but this was the only way I could figure water got on top of the intake manifold and into the oil pan at the same time.
Look a the photos...there is oil all over the engine and it doesn't take much oil to make a messy sludge. If the gasket fails, water will run into the exhaust port and enter the engine thru any open exhaust valve, then run down into the cylinder and into the oil pan.
You are correct.....a lot of the top end is going to need to be removed to see the extent of the damage and the longer the OP waits, the more damage he will have to repair.
Look a the photos...there is oil all over the engine and it doesn't take much oil to make a messy sludge. If the gasket fails, water will run into the exhaust port and enter the engine thru any open exhaust valve, then run down into the cylinder and into the oil pan.
You are correct.....a lot of the top end is going to need to be removed to see the extent of the damage and the longer the OP waits, the more damage he will have to repair.
