engine locked up
Discussion in 'Trucks [ Eighteen Wheelers ]' started by akki abdel, Aug 28, 2021.
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p608, Rideandrepair and AModelCat Thank this.
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It's hard to understand exactly how you have this written but you have to get the shop to diagnose exactly why it is locked up what happened?
You said that they dropped the pan and I think you said they looked at the bearings?
Please get back to us with more detailed explanation of why they are telling you this engine is locked up.
And just as a side note I often hear people saying oh well I change my fuel filter and you know I hit it with ether or it won't start but I keep hitting it with either and it'll it'll start for a little bit...
Stay the hell away from ether.
One time a guy gave me a truck because the truck wouldn't start so they shot it with ether and they broke the crankshaft.
If your truck won't start fix it but don't blast it with either.p608, joey8686, Rideandrepair and 2 others Thank this. -
The only time I ever give an engine a snort of ether is when its 30 below and its making white smoke while cranking. White smoke means its getting fuel, sometimes it just needs a short shot to get the bang to start happening.
By snort I mean like 2 or 3 one-second shots about 5-8 seconds apart while its cranking and smoking white.xsetra, Rideandrepair, Dino soar and 1 other person Thank this. -
If you shut them off and then change your filter your system will stay primed. Then open them up after the filter is filled and put back up and you can start it up and go.
I've changed mine on the road plenty of times.Rideandrepair and Midwest Trucker Thank this. -
If it was cranking before, it's not locked up. Even if there was no oil in the crank case and they were trying to start it, it still wouldn't lock up.
They're trying to screw you. Plain and simple. Both those shops that said it's locked up are probably in cahoots.Rideandrepair Thanks this. -
Apparently you have to prime the Dd15 anytime the fuel filters are changed. They have a fitting and special primer made for just that. Also have to time the fuel pump, when changing it, or else it won’t fire cylinders correctly. I wonder if they can remove the fuel pump, re install it correctly to fix the problem. Also wonder what exactly caused bearing failure, if any. Apparently the DD15 is known for bad o rings on oil pump check valve. Causing low oil pressure at idle. There’s also a valve of some sort in the oil filter canister. When bad it can allow contamination on fresh oil. Whatever damage is done, I’d think replacing what’s damaged along with figuring out the cause, would be fine, depending on if it’s possible, and the cost vs a total overhaul. It’s only got 450k. I think your friend has the right idea. Need to make sure they check the oil system. Maybe the ether was the straw that broke an already worn or contaminated damaged bearing? Whatever happened, it’s not the first time ever. A good Mechanic can figure it out. Good Luck. I was hoping it might just be something simple. Maybe you can get away with new bearings. A damaged Crank will cost a lot I’m sure. Maybe still be worth it. Will be a lot of Labor, either way, if it needs a crank.
God prefers Diesels Thanks this. -
Did shop 1 start it with no oil in it?
Has been known to happen at speedco, in past.Magoo1968 and Rideandrepair Thank this. -
I don’t know enough about the fuel system. Maybe a real Mechanic will know, if they put the fuel pump on out of time, maybe it got too much fuel into one of the cylinders, and hydro locked. Add forcing ether to it. I don’t know. Hard to believe the bearings just locked up. I’ve abused my old 12.7 with ether so many times. Locking it up a few times. Even ran it a half mile, on ether more than once. Never caused a bearing failure. Ran my old 425 Cat a Mile once on ether. Never blew up, ran for years afterwards. I know that’s crazy but true.
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Whatever happened to filling the filter with fuel and cycling the fuel pump a few times? Is there something newfangled about this particular engine?
Roger McG, mtoo and Rideandrepair Thank this. -
No longer a recommended practice. Tolerances in the fuel system are much tighter than they were a few years ago. The fuel is simply too dirty and can cause accelerated wear/premature failure.
Gatordude, spindrift, God prefers Diesels and 2 others Thank this.
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