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Head/block installation questions-it runs...but have questions

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Offline AJMBLAZER

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Head/block installation questions-it runs...but have questions
« on: January 07, 2006, 04:28:51 PM »
Okay, got all 10 head bolts loose or off, exhaust manifold is completely off, and I'm planning on taking the intake manifold off after I get the head off the block.  Which is the problem, it's on there good after 15 years.  I do not have a cherry picker and for the life of me this thing doesn't want to come off.

Suggestions?
« Last Edit: January 16, 2006, 07:27:31 PM by AJMBLAZER »
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Offline bentparts

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Re: How to get the head off of the block?
« Reply #1 on: January 07, 2006, 04:46:37 PM »
 ;) I replied on your 1st. post on this subject, but I'll repeat: Have you tried Several hard blows with a large plastic dead blow mallet? If you can get to it, hit all four corners.(of the head) You may have to do this more than a few times. Once you get it loose you will probably find the head gasket is stuck pretty good and you'll have to do a bit of scraping. I'm assuming you already have the timing belt off, you should be able to lift it right out, it should't weigh more than 25/30 lbs.
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Offline wildgoody

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Re: How to get the head off of the block?
« Reply #2 on: January 07, 2006, 06:19:51 PM »
Did you remove any intake side support braces ??
There are some on the later models, or was that
just the 16V engines ?  anyway, if all the supports
are off, grab the intake and lift the head off
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Offline ack

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Re: How to get the head off of the block?
« Reply #3 on: January 07, 2006, 06:39:49 PM »
Quote from: bentparts on January 07, 2006, 04:46:37 PM
;) I replied on your 1st. post on this subject, but I'll repeat: Have you tried Several hard blows with a large plastic dead blow mallet? If you can get to it, hit all four corners.(of the head) You may have to do this more than a few times. Once you get it loose you will probably find the head gasket is stuck pretty good and you'll have to do a bit of scraping. I'm assuming you already have the timing belt off, you should be able to lift it right out, it should't weigh more than 25/30 lbs.

If you have removed any bracing below the intake (I don't think there is any being that your truck is pretty old..), the head bolts are off and the timing belt removed (hey, dumber things have been done! I know!) you should be able to bang it on the corners as suggested above and pop it off.  perhaps using the intake as a lever (assuming you haven't started to take it off) should be enough for the head to release.

Guys:  Isn't there a metal tab on the head somewhere that you can tap from below with a hammer that will help separate the head???
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Offline zuki4fun

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Re: How to get the head off of the block?
« Reply #4 on: January 07, 2006, 07:08:17 PM »
i would say its the brace under the intake thats holding him up
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Offline AJMBLAZER

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Re: How to get the head off of the block?
« Reply #5 on: January 07, 2006, 08:17:39 PM »
Yep, came right off after I removed that brace.  Kept figuring I'd just pivot it on the brace...but no dice.  Took the bolt out of the brace and used the intake for leverage (thanks ack  ;) ) and it popped right off.

So some more questions (remember I've NEVER done this before, so please bear with all the questions):
-Pistons 1 and 2 have LOTS of oil sludge crap on the tops of them.  3 and 4 are pretty clean but have oil all over them that came out of the head as I was removing it.  Cleaning tips for these?
-Cleaning the gasket surfaces (intake, head, block, exhaust, etc) what do you guys use other than a scraper?
-Do you guys use anything to stick the gasket to the surface?  I remember my buddy used something when we took the intake off a 350 but...well, I can't remember what it was.

Man, what a mess but ideally...I'm reassembling now, so I'm sorta at or past the half way mark. :P
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Offline 94track

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Re: Head/block installation questions
« Reply #6 on: January 07, 2006, 10:37:04 PM »
Quote from: AJMBLAZER on January 07, 2006, 08:17:39 PM


So some more questions (remember I've NEVER done this before, so please bear with all the questions):
-Pistons 1 and 2 have LOTS of oil sludge crap on the tops of them.  3 and 4 are pretty clean but have oil all over them that came out of the head as I was removing it.  Cleaning tips for these?

just bring each piston to the top of its stroke and use some brake cleaner for the oil, any carbon buildup I use a 3m Roloc disk on my drill, they make 2 types the scotchbrite or the bristle, I prefer the bristle(available at most parts stores)



Quote from: AJMBLAZER on January 07, 2006, 08:17:39 PM

-Cleaning the gasket surfaces (intake, head, block, exhaust, etc) what do you guys use other than a scraper?


the roloc bristle disk...these things kick major ass, just watch on any aluminum surfaces(head) , the bristles are only rubber but will do some damage(aluminum is very soft)
Quote from: AJMBLAZER on January 07, 2006, 08:17:39 PM

-Do you guys use anything to stick the gasket to the surface?  I remember my buddy used something when we took the intake off a 350 but...well, I can't remember what it was.


intake, I believe is paper, so I use some Indian Head gasket shellac
head gasket, get some copper spray (it is really meant for metal hg, but i use it on all)

while the head is off make sure to check for warpage and/or cracks( a pressure test is ideal, but if it wasent overheated just take a good look between valve seats for cracks)
« Last Edit: January 07, 2006, 10:39:51 PM by 94track »
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Offline cj

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Re: Head/block installation questions
« Reply #7 on: January 08, 2006, 02:26:42 AM »
I use sensorsafe silicone sealant. Just be careful what you use as a gasket scraper on alloy as it's real easy to do damage.
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Offline AJMBLAZER

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Re: Head/block installation questions
« Reply #8 on: January 10, 2006, 04:03:06 PM »
Yeah so I got some Indian Head gasket stick stuff at NAPA.  Should I be putting it on both sides of the head gasket or just one side?  Which side(s)?  Ditto for the exhaust and intake manifolds.

That's the problem with drinking when you wrench on friend's vehicles...years later you don't remember the finer details on stuff.
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Offline zaggy

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Re: Head/block installation questions
« Reply #9 on: January 10, 2006, 10:29:27 PM »
Hey guy

Everyone has given you great advice....one thing for info's sake. All I ever put on a head gasket before install is a spray of WD 40. If everything is right it does not need anything else.

Zag
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Offline wildgoody

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Re: Head/block installation questions
« Reply #10 on: January 10, 2006, 11:11:23 PM »
Some head gaskets have a sticky coating,
well it's more of a lightly tacky coating, and
should not have any sealer of copper spray
put on it before installation.

WD40 is pretty safe, and would keep the
slightly tacky side from sticking too soon
to the block

Wild
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Offline Rhinoman

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Re: Head/block installation questions
« Reply #11 on: January 11, 2006, 04:45:13 AM »
If its a metal gasket I just use use a light smear of clean engine oil. If its a fibe type it goes on clean and dry
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Offline Rhinoman

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Re: Head/block installation questions
« Reply #12 on: January 11, 2006, 04:49:42 AM »
Quote from: Rhinoman on January 11, 2006, 04:45:13 AM
If its a coated multilayer aluminium gasket I just use use a light smear of clean engine oil. If its a fibre type it goes on clean and dry.
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Offline AJMBLAZER

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Re: Head/block installation questions
« Reply #13 on: January 11, 2006, 03:43:05 PM »
What do you use to lubricate the camshaft seal?  Damn FSM doesn't mention this.  Motor oil, grease, gear oil...?
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Offline wildgoody

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Re: Head/block installation questions
« Reply #14 on: January 11, 2006, 04:16:47 PM »
A light coating of grease is fine, oil
will work, just don't want it dry when
the engine fires for the first time
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