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Old 01-22-2007, 09:38 PM   #1 (permalink)
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22RE blown head gasket cure?

My 89 ex cab just blew a head gasket. I was just about to tear it down when a friend gave me a bottle of Thermagasket. It is a 2 part epoxy type liquid you add to the coolant after you flush all of the antifreeze and flush all of the contaminated oil out of the engine. First has anybody used this stuff and what kind of success did you have? Second, my engine never overheated and it ran great until I shut it off..is this normal for a head gasket to blow w/o overheating having caused it?
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Old 01-22-2007, 09:40 PM   #2 (permalink)
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i would not use that stuff and just replace your head gasket and maybe the timing chain too order your stuff from www.engnbldr.com
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Old 01-22-2007, 09:52 PM   #3 (permalink)
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That was my plan..this friend says this stuff will seal up the gasket...to good to be true? I figured if anybody had tried it , it would be somebody here.
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Old 01-22-2007, 09:52 PM   #4 (permalink)
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i think it would do more harm than good
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Old 01-22-2007, 09:54 PM   #5 (permalink)
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Not so sure about putting anything "epoxy like" in my cooling system.. Think it just goes to the spots that are leaking?

HG leaks aren't just water into the oil.. they can be oil into the water, oil into the cylinder, cylinder gasses into the water, blah blah.. You could JB weld the darn thing, but I don't think it'd stand up to cylinder pressure for very long.

Fix it right.. Check the head out, make sure the deck is flat. Install ARPs for some security.
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Old 01-22-2007, 10:05 PM   #6 (permalink)
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Thanks...miracle cures would be nice...appreciate your thoughts..time to get the wrench out.
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Old 01-23-2007, 08:05 AM   #7 (permalink)
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Read this before you start:

http://www.yotatech.com/showthread.php?t=101694

I wish that thread would have been started before I started my hg replacement. It would have helped out alot.

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Old 01-23-2007, 08:13 AM   #8 (permalink)
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usually stuff like that will significantly slow the head gasket leak, but it'll also gunk up the coolant passages, and that stuff will just end up causing more work down the road.

atleast its a 4 cyl. much easier to replace the gasket than a 6.
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Old 01-23-2007, 04:01 PM   #9 (permalink)
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Thanks rdlsz24...great info...
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Old 01-23-2007, 04:13 PM   #10 (permalink)
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And get your stuff from Engnbldr. It is the best deal for gaskets and stuff. Don't use that sealant crap, that's for redneck rebuilds.

BTW, you might want to pull your timing cover first... I have dealt with two 22re's with "blown headgaskets" what actually had slack timing chains that cut into a water passage. If that is the case, then it will be alot easier than doing the HG.

A question for DCG, what are ARPs?
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Old 01-24-2007, 07:31 AM   #11 (permalink)
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ARPs are head studs. Check out http://www.arp-bolts.com/.

Rob
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Old 01-26-2007, 06:05 PM   #12 (permalink)
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That depends on how big the leak is. I had liquid head gasket in mine for 7 years with out a problem.
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Old 01-01-2009, 06:54 PM   #13 (permalink)
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I had a blown head gasket and I used the newer barr's product that is compatable with antifreeze. Worked great. Sure, the correct thing to have done was to replace my head gasket, but I don't intend to spend that much cash on my 4runner when I would rather just have a new car.

Anyway... that was about 2 months ago and the head gasket leak has not returned and no subesequent issues either.
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Old 01-01-2009, 08:50 PM   #14 (permalink)
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uhh... uh.. huh huh.. how is something you put into the cooling system, which at maximum pressure is somewhere around 12 PSI going to positively seal a leak which on the other side of the leak (read: the piston) exerts upwards of 100 PSI?
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Old 01-03-2009, 06:25 PM   #15 (permalink)
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replace it. you run a high risk of clogging up your heater core with that. never trust the "magic bullet" fixs
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Old 01-03-2009, 06:54 PM   #16 (permalink)
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get the one from engnbldr it is quality stuff just put one in my truck.

also most blown head gaskets I have seen there is a missing part of the gasket mine was missing about a half inch in between the the 3rd and 4th cylinders have also seen it blown out on the side going under the exhaust or into the side of the cylinder and all where missing gasket.
you could spend 20$ on that sealer or throw it towards a good gasket from engnbldr.
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Old 01-04-2009, 12:05 PM   #17 (permalink)
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i used the organic tabs that gm offered when my 86 22 re was going south. i couldnt afford to do the job at the time, it held long enough for me to find my 93. in retrospect, i should have kept the 86 and did the necessary work to the engine and body. probably would have been less expensive than the 93 in the long run!

20/20 hind sight. read between the lines.

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Old 01-05-2009, 02:18 PM   #18 (permalink)
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uhh... uh.. huh huh.. how is something you put into the cooling system, which at maximum pressure is somewhere around 12 PSI going to positively seal a leak which on the other side of the leak (read: the piston) exerts upwards of 100 PSI?
Before I say anything, let me say I was as sceptical as you are (perhaps with less attitude though).

That said, the cylinder isn't always at a positive pressure. There is a state of negative pressure when the fuel is entering the chamber and it was the same negative pressure that was sucking coolant from my cooling system, fouling the spark in that cylinder, and causing me to lose coolant over time.

In the end, all I can say is "it worked": the leak has been plugged, there is no misfire, there is no coolant loss, etc. I am not claiming it is a permanent fix; I am not claiming it won't foul my heater core; I am not claiming it isn't doing ancillary damage to other systems. But it fixed my immediate problem long enough for me to assess whether or not I want to do a full head gasket replacement (not) or get another vehicle.
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Old 01-05-2009, 02:35 PM   #19 (permalink)
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Old 01-07-2009, 07:44 AM   #20 (permalink)
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I had a small leak in one of my head gaskets. I would agree with most of the folks here that fixing it would be the best call. However, I live in a place where the weather is pretty nasty and I have no garage to work in, so I tried Thermagasket a couple months ago.
I'm pretty sure the leak is pretty small; the only real symptoms were a slight loss of coolant and steam from the exhaust. With the cold weather here now, smoke/steam from the exhaust pipe is not a reliable diagnostic observation. No oil in the water or water in the oil.
So far, it is working. As long as it gets me through the winter, I plan to R&R the head gaskets and timing belt. As a precaution, when I was running the crap through the engine, I kept the heaters turned off. As far as I can tell, the Thermagasket has done no damage to my radiator or cooling system. The Thermagasket is a little different than stuff like Bars Leaks that use the silver crap. I know for sure that stuff clogs your radiator and heater.
Bottom line; if the Thermagasket keeps working for another few thousand miles, it will have been worth the $120 to me. And no, I do not work for them.
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Old 02-05-2009, 05:41 AM   #21 (permalink)
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I've been seaching this site for "liquid head gasket repair" and ended up here and see it is a fairly recent discussion. My 92 22re has a head gasket issue and my first inclination is to have it torn down and replaced. My 2nd inclination is that my first inclination costs about $1000 or more and I have seen and done as much searching as possible about Thermagasket as I can and also I know about the Bar's Leaks product that IS compatable with coolant so no flushing is required. Being of little to no significant mechanic abilties as well as strapped for cash, I am inclined to used the "quick fix" to see if it works. I have seen postings (not just on yotatech) that flat-out say to not use the "genie in a bottle" but I have not seen that substantiated as to why not. What I have seen is opinion, but in reality, I want my truck running NOW, and am willing to spend $30 (Bar's) or $110 (themagasket) to attempt to get it running now. I just want some OBJECTIVE information as to HAS ANYONE SUCCESSFULLY USED THESE? or I figure it this way, spend the money (my estimate $1000 to $1500) and fix it right........don't know when that would be, or spend $30 to $110 and chance it.

As of 10am yesterday my plans for making enough money to cover the repair were shot down when a deal for selling one of my vehicles fell through and now I'm left wanting to find enough money again ....and waiting and waiting.

Basically I want to hear "I used the stuff and it worked....etc" or "I used the stuff and it didn't work.....etc and here's why it didn't work etc.."

Money is the core issue and lack thereof, so if I find I can temporarily or ,hopefully, permanantly, fix the problem by using this stuff, I figure I can not spend the money on a true rip-down repair.

I know the "do it right the first time" applies here, and I'm a big believer in that, but the reality is that by the time I get around to doing that it will be quite a long time.

Don't have pity for me, but this is a tough bind I'm in. My truck is sitting and I'm driving around in a car that I hate and should have never spent the money on when my truck broke down and now I'm stuck with 2 issues.

So, unless I can come up with the cash to do the repair the right way and / or I hear enough feedback that says that they have used Bar's or Thermagasket and they do or don't work, I will just keep my truck parked.
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Old 02-05-2009, 05:57 AM   #22 (permalink)
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I heard that Buicks require head gasket sealant in the block when replacing the headgasket. Anyone know if this is true?

I'm curious about this because my bro owned a buick and had a headgasket go bad. I helped my dad replace it (and the radiator) and a week later the gasket went bad again.
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Old 02-05-2009, 06:14 AM   #23 (permalink)
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My truck has 189,000 miles on it, my diagnosis was head gasket based upon that was the diagnosis several years ago with same symptoms (overheated, water in the oil) and at that point had the head gasket replaced to the tune of about $1500.00. At that time money wasn't such an issue, as well as sinking that much into an aged vehicle was not such and issue.

This is my baby, I've had it since day one. So I want to get it back on the road but need to do so with as little pain as possible. I started it yesterday, ran smooth like nothing was wrong, only let it run for about 4 minutes, but it runs quietly and strong like it's healthy as can be. I know that there is a problem, but because of the claims of the Bar's and Thermagasket products I am very tempted to use them.

I understand this part too..........I must address the reason for the head gasket failure. A thermostat I feel is a repair well within my capabilities, unless someone says it's too involved. A radiator, although it looks like a tight repair based on not much room to move around in the engine area, looks like another project I could do. My thoughts were to use Bar's, since it IS compatable with coolant, and hope it works. Change the oil, remove the radiator and thermostat and flush the system and put a new thermostat and new radiator on and hope for the best. I figure by changing the radiator and thermostat I will eliminate 2 potential reasons for the head gasket failure.

What about the water pump......how would I know that is bad?

Again, my truck runs smoothly and quietly and no leaks anywhere (not too bad for 189,000 miles).

I parked it the day this happened, July 3rd 2008 to be exact, and have had it running a few times (mybe 4 or 5) since then (just a few minutes each) for fear that leaving it sit would either compound the problem or create new ones.

Some advice please......advice that I could realistically do too. Obviously I would love to hand a blank check to someone and tell them to "fix it" and get it back on the road, but that isn't going to happen. I will rely on general concensus on this one.


Not sure where to begin........., but I did just put a new battery in it yesterday because the old one(about 10 years old) was dead and I was afraid of even jump starting it or taking it somewhere to see if it would take a charge because I've heard of frozen batteries exploding (just 3 days ago at work had a patient because of that......I'm an ER nurse for 15 years) and I considered that an OMEN or a sign from the Big Guy to just buy a new battery. So I did.

Here's the sequence I think I should follow.....
1) Buy Bar's ($30)
2) add it as per instructions and re-fill coolant as instructed.
3) change the oil
4) search for a thermostat and radiator and complete ther replacement of both
5) cross my fingers
6) post my results so everybody can learn as to why or why not to do this
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Old 02-06-2009, 09:54 AM   #24 (permalink)
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You are really going to try the cure in a can on your baby? If you can use hand tools you can change a head gasket on a 22RE imo.

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Old 02-06-2009, 10:01 AM   #25 (permalink)
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I have fixed several blown head gaskets with the permanent block selant stuff. One was so bad the vehicle would hardly run! It was making so much smoke after 5 minuets you couldnt even see the car. It was a Chevy blazer its been about a year and i still see it going around town. I also did it on a yota v6 that I sold and it is still going strong 20k miles later! The stuff I get is in a chrome can with some copper coloring on it and can be bought at napa or kragen for under $10.
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