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Old 05-05-2012, 06:36 PM   #1 (permalink)
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Default Is there a DIY head gasket replacement?

Im not sure if this is the correct place to ask my question, but does anyone have a diy head gasket replacement?
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Old 05-05-2012, 06:40 PM   #2 (permalink)
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Default Re: Is there a DIY head gasket replacement?

its pretty simple. remove the intake manifold and the headers. take off the valve cover, take off the bolts inside the head holding on to the block. pull it off and send it to a machine shop to get resurfaced. and now all you would really need is the torque specs and bolt pattern. and put everything back together
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Old 05-05-2012, 07:54 PM   #3 (permalink)
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Default Re: Is there a DIY head gasket replacement?

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Originally Posted by boostaddict2 View Post
its pretty simple. remove the intake manifold and the headers. take off the valve cover, take off the bolts inside the head holding on to the block. pull it off and send it to a machine shop to get resurfaced. and now all you would really need is the torque specs and bolt pattern. and put everything back together
I started removing the header and manifold but they arent coming off. Thats why I was wondering if theres a thread that shows where all the bolts and nuts are, so I dont have to find out the hard way
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Old 05-05-2012, 07:58 PM   #4 (permalink)
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Default Re: Is there a DIY head gasket replacement?

Lefty loosey, righty tighty. Anybody can take apart and reassemble anything with this.
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Old 05-05-2012, 08:35 PM   #5 (permalink)
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Default Re: Is there a DIY head gasket replacement?

I'd suggest spraying it with copper spray before you reassemble. The copper spray will help fill in any fine imperfections in the head/block surface.
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Old 05-05-2012, 10:37 PM   #6 (permalink)
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Default Re: Is there a DIY head gasket replacement?

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I'd suggest spraying it with copper spray before you reassemble. The copper spray will help fill in any fine imperfections in the head/block surface.
Thanks I'll do that. Any other good tips/suggestions?
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Old 05-06-2012, 01:28 AM   #7 (permalink)
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Default Re: Is there a DIY head gasket replacement?

Just find the bolts/nuts holding the intake manifold on and unscrew them.
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Old 05-06-2012, 02:52 AM   #8 (permalink)
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Default Re: Is there a DIY head gasket replacement?

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Just find the bolts/nuts holding the intake manifold on and unscrew them.

thanks Einstein
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Old 05-06-2012, 07:03 AM   #9 (permalink)
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Default Re: Is there a DIY head gasket replacement?

The bottom bolts for the IM can be a little hard to see and get a socket on but they're there. For the exhaust manifold (header) CAREFULLY remove the bolts for the heatshield and note there's a lower heatshield (<~ Should be, what year is your car?) Valve cover is easy enough, once you get it off you shouldn't have a problem getting your way through bolts and removing the head.
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Old 05-08-2012, 06:34 PM   #10 (permalink)
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Default Re: Is there a DIY head gasket replacement?

Any more tips or recommendations? I cant seem to take off the intake manifold.
Heres some pics of what I took off so far





And Im pretty sure I have to take this off, right?
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Old 05-08-2012, 06:50 PM   #11 (permalink)
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Thats the egr tube......gotta remove that
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Old 05-08-2012, 06:59 PM   #12 (permalink)
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Default Re: Is there a DIY head gasket replacement?

removing the intake manifold is easier with the head off.
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Old 05-08-2012, 07:03 PM   #13 (permalink)
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Default Re: Is there a DIY head gasket replacement?

Intake mani has 4 bolts and one nut on top and 2 nuts and 2 bolts on the bottom for a total of 9 if that helps. Plus the support bracket. Gasket might be holding it stuck. A few taps with a rubber mallet should do the trick. I am rebuilding mine right now so any other ?s pm me and ill try to help out.
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Old 05-08-2012, 07:10 PM   #14 (permalink)
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Default Re: Is there a DIY head gasket replacement?

take off the intake mani after you pull off the head.

then put it back on before you put the head back on.
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Old 05-08-2012, 07:11 PM   #15 (permalink)
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Default Re: Is there a DIY head gasket replacement?

This ^ definitely helps a lot lol.
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Old 05-08-2012, 07:16 PM   #16 (permalink)
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Default Re: Is there a DIY head gasket replacement?

[QUOTE=iBoost;1222759]Any more tips or recommendations? I cant seem to take off the intake manifold
[/QUOTE

This should help

]http://www.miata.net/garage/manifold/index.html
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Old 05-08-2012, 08:07 PM   #17 (permalink)
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Default Re: Is there a DIY head gasket replacement?

resurfaced head = peace of mind.

not exactly the easiest job for a noob but you can get it done.
just make sure you get little baggies for your bolts and label them so you don't forget.
im assuming this is going to take you a while.
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Old 05-08-2012, 08:19 PM   #18 (permalink)
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Default Re: Is there a DIY head gasket replacement?

Wow thanks for all the response! Well I've never done a head gasket, hardest job I've done was replace my transmission on my Acura rsx. I guess I'll just remove the head with the manifold. Reason for doing this is because the car overheats quickly, and there's white smoke coming from exhaust as soon as the car starts.
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Old 05-08-2012, 09:40 PM   #19 (permalink)
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Default Re: Is there a DIY head gasket replacement?

http://www.miata.net/garage/torque.html

look there for torque specs.
get a good torque wrench.
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Old 05-08-2012, 09:43 PM   #20 (permalink)
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Default Re: Is there a DIY head gasket replacement?

+1 on removing the head with the im attached.
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Old 05-09-2012, 08:12 PM   #21 (permalink)
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Default Re: Is there a DIY head gasket replacement?

So Im pretty sure this bad. Took the valve cover off and found the intake cam to have this rust? spots. Im guessing this is bad?



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Old 05-09-2012, 08:21 PM   #22 (permalink)
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Default Re: Is there a DIY head gasket replacement?

is it smooth or pitted and rough. no homo? anyways. that engine looks pretty nasty it could just be varnish build up. someone didnt change the oil as needed.
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Old 05-09-2012, 08:36 PM   #23 (permalink)
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Default Re: Is there a DIY head gasket replacement?

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is it smooth or pitted and rough. no homo? anyways. that engine looks pretty nasty it could just be varnish build up. someone didnt change the oil as needed.
Yes it feels pretty rough..
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Old 05-09-2012, 08:40 PM   #24 (permalink)
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Default Re: Is there a DIY head gasket replacement?

Definitely remove the IM with head, I just pulled mine today for a new intake manifold. Shittiest thing I've done so far in may. Could not get my damn tools in with my big dumb hands. Had to go gloveless n now I'm all sliced to hell. F that IM.
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Old 05-09-2012, 08:52 PM   #25 (permalink)
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Default Re: Is there a DIY head gasket replacement?

cams are toast then. time to go shopping.
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Old 05-30-2012, 05:34 PM   #26 (permalink)
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Default Re: Is there a DIY head gasket replacement?

I am also working on this job. I took out my spark plugs and cranked the motor, had coolant shooting up out of my motor.. I am hoping its a head gasket and not a cracked head


Here is a helpful link I found on a DIY head gasket replacement. It's the last one on the bottom of the website:

http://www.mazdabg.com/ftp-uploads/Mazda/--Repair%20Instructions--/323,%20626,%20929,%20Miata,%20Millenia,%20MX3,%20M X6,%20Protege,%20RX-7/7920CH03_Cylinder_Head.htm
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Old 07-17-2012, 10:32 PM   #27 (permalink)
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You could follow the protege instructions. But if it were me, and I was a noob, I'd want to know that I was gonna to be able to actually put the damed thing back together. Pick up a copy of the Enthusiasts Workshop Manual by Rod Grainger.
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