EMERGENCY how to keep block from cracking
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Tuned
Joined: Oct 2015
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From: Roswell
EMERGENCY how to keep block from cracking
I can't get my truck to start. The block heater isn't working and I previously put flush and water in it, intending to drive it and flush it directly after. Well I never really could drive it and now it won't start again. The weather is going to turn off cold, around zero this weekend. I need to know how to keep the block from freezing and cracking!
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Tuned
Joined: Oct 2015
Posts: 262
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From: Roswell
EMERGENCY how to keep block from cracking
is opening and draining sufficient. I read somewhere here that some is left in the engine. Also do I leave hoses and plugs open or close them? (I figure if it does freeze plugging the hole will cause those areas to freeze/stress).
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
The heater core could probably be blown out with lung pressure alone? It will be enough to get most of the coolant mix out anyway. Same deal with the radiator and block, so long as most of it is drained by gravity there will be no expansion to worry about because there won't be hardly anything left.
Lead Driver
Joined: Jun 2004
Posts: 6,342
Likes: 588
From: Amarillo, TEXAS!
As for the heater core, pull both hoses off the nipples and blow it out. Hold both hoses above the level of the core with one a little higher than the other. Pour coolant into the higher hose until it runs out of the other one. Pour in another quart or so for good measure.
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Posting Guru
Joined: Sep 2015
Posts: 1,320
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From: Central Florida
Couldn't he simply drain the radiator out for now and add 3 gallons of antifreeze? Then run the engine and the heater, or just take a ride. Simple and fast.
Then when he has more time do the flush again.
Also he could move to Florida...
Then when he has more time do the flush again.
Also he could move to Florida...
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Post Fiend
Joined: Apr 2002
Posts: 19,311
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From: Waterloo, Iowa
Won't start.
FTE Leadership Emeritus
Joined: May 2014
Posts: 27,352
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From: Lake Hartwell, GA
Just thinking here, even though it won't start doesn't the water pump spin when the engine is cranking? So, you could remove the thermostat, then fill the radiator with the proper mixture of coolant/water. Then crank the engine/water pump to push coolant through since the thermostat is out.
Maybe this is wrong, but it might work.
Maybe this is wrong, but it might work.
Mountain Pass
Joined: Apr 2010
Posts: 178
Likes: 2
From: Northeast, WA
I do boat work on the side and here is what I do for winterizing It will work for the engine well. Drain block at drain plugs blow out heater, drain radiator. pull the thermostat then replace hose fill the block completely with RV antifreeze. It will fill all voids and mix with any water that may be there. It is good to -50. It is cheap and easy to deal with later when you want to get it out. You could also fill the radiator as well.
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