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Possible blown freeze plug??? 01' Ford CVPI
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Wimbish2003
New User
Aug 19, 2012, 6:08 PM
Post #1 of 3
(5331 views)
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Possible blown freeze plug??? 01' Ford CVPI
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Hello, my name is Steven and I have a 2001 ford crown vic police interceptor 4.6l with 170k miles on it. Last summer i had a set of flowmasters, and she has been kinda falling on her face when hitting OD or tromping on the gas. I found that the intake manifold was cracked and I was constantly loosing coolant so I assume this is the reason behind the way the car was acting because of pressure reasons. I had been using water for coolant during the summer because of its constant leak, didnt drive it much at all during winter, just fired it up every once in awhile to keep it running. She has been sitting in the garage since and I just replaced the intake this summer and went to pour some water in it just to find the water was dumping straight out the bottom of the left side of the block. I found that I had blown a freeze plug. Got a new one tapped in and then water started coming out the right side. Another freeze plug. Tapped in a new one and now it looks as if all the water is gushing out the back between the block and the transmission. I've heard a few suggestions here and there by a few people on what it could be. I'm assuming it would be a freeze plug only because ive had to tap 2 in already. I havent had the time to unbolt the trany to check yet. I guess what im looking for is some suggestions on what it could possibly be from someone else who knows more about it than me and that might be frimiliar with it. Thank you very much.
(This post was edited by Wimbish2003 on Aug 19, 2012, 6:13 PM)
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nickwarner
Veteran
/ Moderator
Aug 19, 2012, 6:37 PM
Post #2 of 3
(5314 views)
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Re: Possible blown freeze plug??? 01' Ford CVPI
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There are several freeze plugs there. You need to find out what is going on more in depth when the trans comes out. I would go ahead and replace the water pump when you do it. Water is asking for trouble. Coolant does way more than stop it from turning into an ice block, it also has anti-corrosion additives to halt electrolytic corrosion of dissimilar metals and the ethylene glycol is a lubricant for the water pump bearing. Pour water on you hand and rub your fingers together. Do the same with a 50/50 colant mix. See the difference? Your pump doesn't like water. Change it before you wreck this motor. Cops were hard enough on it but at least they had the fleet shop to keep up with it. Before you put the trans back in I would pressure test the system and make sure you have a verified repair. If something is amiss you want to know before you put it back together.
You had bad running before, but I see no mention of codes. If it was misfiring it would have them. Get it to hold coolant properly and then we will tackle that issue. You will need to get it scanned and post the exact code numbers for us. If you own a scan tool tell us what you have and what capability it has (bi-directional control, PID list, etc) and your level of understanding with it. Its ok if you don't know everything, nobody does. The better we understand your situation and available tooling the better we can advise you on the most cost-effective next step.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Aug 20, 2012, 4:28 AM
Post #3 of 3
(5271 views)
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Re: Possible blown freeze plug??? 01' Ford CVPI
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Oh oh. As Nick pointed out the coolant isn't just for freeze protection. I'll add that "freeze plugs" are named such from about the WWI era when they were intended to pop out for a chance at not cracking engines but are wrongly named as you can still crack or damage all sorts of ways and those plugs really are there for cleaning out the new casted engine blocks and parts not for protection. Sticky name for them that never quit but should be called "core" plugs.
So many areas are not going to take freezing or the anti-corrosive properties of the proper mix of coolant this could be a disaster. Absolutely pressure check this looking everywhere coolant goes for troubles,
T
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