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 NPT's Head Gasket Repair Thread
NorthportTroller
 Posted: May 12 2011, 06:14 PM
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Got what I think to be a leaking head gasket on my 1989 GMC Suburban. 5.7 L TBI Motor. Losing about a pint to a quart a week of antifreeze. Burning out the exhauset from what I belive to be the #7 cylinder. Which would be the 3rd one back on the pass side.

Tried a few different sealers, some worked better than others, but doesn't mask the problem for long. Originally I looked for a few months for a replacement vehicle and then a replacement used motor, all to no avail on my budget and patience.

So I am going to tear the top end of the motor off and replace the gaskets and hope that is the problem, and not a cracked head.

This is the set I ordered. Best price was on ebay. Shipped to me for under 45 bucks, which aint bad at all.

http://cgi.ebay.com/ebaymotors/ws/eBayISAP...id=231818416523

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NorthportTroller
 Posted: May 12 2011, 06:21 PM
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Also, due to the fact that the exhaust manifolds on these motors are known to warp and make it difficult to re-install wothout crossthreading bolts because of alignment issues, I decide to buy some of these tools. They are made to help with the alignment of the bolt holes when installing or to hold the shape of the manifold while it is being and is removed from the motor. Good price on these too. Love eBay. http://i1220.photobucket.com/albums/dd448/NorthportTroller/Smileys/High205.gif

http://cgi.ebay.com/ebaymotors/Lisle-Exhau...id=231819901839

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NorthportTroller
 Posted: May 12 2011, 06:29 PM
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I also need to remove the power sterring pump bracket becasue it is bolted to teh drivers side head. And that is impossible without a pulley remover tool, so I got simular to the kit in the picture. The next pic shows how it works.

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Brownie
 Posted: May 12 2011, 06:55 PM
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cant beat 45 bucks for the gasket kit.

let me know if you need a hand, id be glad to help http://i1220.photobucket.com/albums/dd448/NorthportTroller/Smileys/favorites13.gif


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Old77
 Posted: May 12 2011, 07:10 PM
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Get this thing going!! biggrin.gif


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NorthportTroller
 Posted: May 12 2011, 07:11 PM
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QUOTE (Brownie @ May 12 2011, 07:58 PM)
cant beat 45 bucks for the gasket kit.

let me know if you need a hand, id be glad to help http://i1220.photobucket.com/albums/dd448/NorthportTroller/Smileys/favorites13.gif

I was hoping to do this in one day because it's my daily driver, but it may take two depending how things move along. I have been beating my head against the wall trying to think of everything I will need to have on hand and ready to do this. I've done plenty of engine work before, but I never did heads or block work. Just cams and manifols and shit like that.


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Jay
 Posted: May 13 2011, 04:32 AM
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It helps to have the right tools. I've never done anything like that but it shouldn't be too bad for ya with that old chevy. http://i1220.photobucket.com/albums/dd448/NorthportTroller/Smileys/waytogo.gif


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JoeDaCatKing
 Posted: May 13 2011, 04:37 AM
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Good luck with the head gasket.
NorthportTroller
 Posted: May 13 2011, 09:46 AM
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Thanks Joe. Looks like the gaskets are going to get here today. http://i1220.photobucket.com/albums/dd448/NorthportTroller/Smileys/yes.gif

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NorthportTroller
 Posted: May 14 2011, 10:39 AM
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http://i1220.photobucket.com/albums/dd448/NorthportTroller/Smileys/gay.gif

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