here we go again,need some input,head gaskets?
Thread Starter
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Cargo Master
Joined: Feb 2008
Posts: 3,409
Likes: 1
From: back in SE Iowa
well got it loaded up and pulled the rad. and found this
it started up and ran but started and ran a little rough but smoothed out quickly,it does have a little knock but could the heat have thinned the oil out to cause that?i checked the oil and the cooland that was left and there were no traces of cross contamination.what do you guys think?
it started up and ran but started and ran a little rough but smoothed out quickly,it does have a little knock but could the heat have thinned the oil out to cause that?i checked the oil and the cooland that was left and there were no traces of cross contamination.what do you guys think?
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
I am going to say the batteries are low.
Antifreeze on the belts, the alternator is not charging cause the belts are slipping.
That could also be part of why it overheated.
The water pump/fan was not turning like it should have been.
I have driven with a blown head gasket.
As long as you keep enough coolant in the radiator, you might never know the head gasket was blown.
If a cylinder is full of coolant, the engine will not turn over.
As far as bending rods, if your engine fires on the first cylinder to TDC and the cylinder with coolant in it happens to be 5 cylinders later, yes it probably would bend a rod, break a piston, crack the crank.
Safer method, fill the radiator/reservoir with fluid, unplug the FSS so it will not start, crank it over two revolutions, plug the FSS back in and fire it up.
Blown head gasket will be evident with compression blowing coolant out of the coolant reservoir.
Were you seeing steam out of the radiator when you stopped?
How bad is the leak in the radiator?
Antifreeze on the belts, the alternator is not charging cause the belts are slipping.
That could also be part of why it overheated.
The water pump/fan was not turning like it should have been.
I have driven with a blown head gasket.
As long as you keep enough coolant in the radiator, you might never know the head gasket was blown.
If a cylinder is full of coolant, the engine will not turn over.
As far as bending rods, if your engine fires on the first cylinder to TDC and the cylinder with coolant in it happens to be 5 cylinders later, yes it probably would bend a rod, break a piston, crack the crank.
Safer method, fill the radiator/reservoir with fluid, unplug the FSS so it will not start, crank it over two revolutions, plug the FSS back in and fire it up.
Blown head gasket will be evident with compression blowing coolant out of the coolant reservoir.
Were you seeing steam out of the radiator when you stopped?
How bad is the leak in the radiator?
Thread Starter
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Cargo Master
Joined: Feb 2008
Posts: 3,409
Likes: 1
From: back in SE Iowa
just steam from the bottom of the motor ,probably from the coolant being blown out of the bottom of the radiator im guessing.i filled the radiator with water before i pulled it onto the trailer it cranked just fine.so im prayin headgaskets are good
Thread Starter
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Cargo Master
Joined: Feb 2008
Posts: 3,409
Likes: 1
From: back in SE Iowa
lol tell me about it.im just hoping i can find a rad at the junk yard or have it repaired cheap.its copper so i dont know if they can weld it or have to replace it
Posting Guru
Joined: Mar 2010
Posts: 2,234
Likes: 2
From: Upstate NY
cant weld it but I would braze it depending on how big the hole is
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Thread Starter
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Cargo Master
Joined: Feb 2008
Posts: 3,409
Likes: 1
From: back in SE Iowa
its not a hole the seam separated you can see it in the picture above.anyone know what other radiators will fit or will work?
Thread Starter
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Cargo Master
Joined: Feb 2008
Posts: 3,409
Likes: 1
From: back in SE Iowa
ok well i decided to be brave and braze my radiator ,so i put it back in ,changed the oil(it was due)to see if there was coolant in it.started the truck it stuttered for a second and smoothed out.i let it idle for 10 minutes to see if it heated up and if the rad was gonna leak,no leak.so i then popped the rad cap to see if i was gettin some compression where it shouldnt be,and all was well there also.soooo i then kinda revved it and got a knock,so i kinda played with the throttle some and at about 1800rpm the knock goes away.so could getting the truck warm cause an injector or 2 to crap out?you can feel it miss some and also has a littlw white haze in the exhaust,and no it doesnt smell like coolant it smells like raw fuel.so whats you all take on it?im just getting aggrevated throwin money at it when im currently unemployed,plus its hunting season!!!!
Posting Guru
Joined: Dec 2005
Posts: 1,528
Likes: 0
From: Peterborough, Ontario
After sitting and idling with no load for 10 minutes, it's not going to be very warm yet. Also any poor injector, or any other little issue that you weren't watching for before is now suddenly the first thing we notice, because now we are looking for issues!
Thread Starter
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Cargo Master
Joined: Feb 2008
Posts: 3,409
Likes: 1
From: back in SE Iowa
ok started right up today the knock is definitely new, i let it run and warm up for a while then held it at about 2k for 5 minutes and it didnt heat up at all.the smoking is also new before i always kept an eye on it it smoked a bit for about 10 seconds at first start of the day and thats it,now its constant and runs way crappier.
