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What is a good way to clean this cylinder head? #5169093 07/23/19 04:10 PM
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zzyzzx Offline OP
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I'd like to clean up a previous oil leak, including the spark plug wells. Should I use a pressure washer???That and how do I clean the exhaust manifold mating surface?

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Re: What is a good way to clean this cylinder head? [Re: zzyzzx] #5169094 07/23/19 04:16 PM
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skyactiv Offline
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Take it to a machine shop and have them check it out, too.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 18' Elantra Sport 6 speed manual
The rude guy that points out reality


Re: What is a good way to clean this cylinder head? [Re: zzyzzx] #5169142 07/23/19 05:33 PM
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atikovi Offline
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Originally Posted by zzyzzx
I'd like to clean up a previous oil leak, including the spark plug wells.


Nobody pulls a head to clean up an oil leak. What's the whole story?

Re: What is a good way to clean this cylinder head? [Re: atikovi] #5169159 07/23/19 06:04 PM
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zzyzzx Offline OP
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Originally Posted by atikovi
Originally Posted by zzyzzx
I'd like to clean up a previous oil leak, including the spark plug wells.


Nobody pulls a head to clean up an oil leak. What's the whole story?


I am replacing the head gasket gasket.

Re: What is a good way to clean this cylinder head? [Re: zzyzzx] #5169174 07/23/19 06:19 PM
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sloinker Offline
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Looks aluminum...maybe a big bucket of old time Berryman carb cleaner. The stuff that worked back in the day and made me gag with its smell.


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Re: What is a good way to clean this cylinder head? [Re: zzyzzx] #5169175 07/23/19 06:20 PM
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Audios Offline
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Have the machine shop pressure test and clean it, along with a cut.


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Re: What is a good way to clean this cylinder head? [Re: Audios] #5169215 07/23/19 06:50 PM
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Trav Offline
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+1 That is the way to go, pick it up all done, clean and flat.


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Re: What is a good way to clean this cylinder head? [Re: zzyzzx] #5169220 07/23/19 07:00 PM
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atikovi Offline
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So what is it? Old style rocker arms suggests a domestic. Cam drive pulley so not a V8 but OHC 4. 2 valve aluminum head. 80s or early 90s GM?

Re: What is a good way to clean this cylinder head? [Re: sloinker] #5169221 07/23/19 07:01 PM
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clinebarger Offline
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Originally Posted by sloinker
Looks aluminum...maybe a big bucket of old time Berryman carb cleaner. The stuff that worked back in the day and made me gag with its smell.


That would destroy the valve guide seals! Though I would recommend replacing them anyway.


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
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Re: What is a good way to clean this cylinder head? [Re: atikovi] #5169235 07/23/19 07:10 PM
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zzyzzx Offline OP
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Originally Posted by atikovi
So what is it? Old style rocker arms suggests a domestic. Cam drive pulley so not a V8 but OHC 4. 2 valve aluminum head. 80s or early 90s GM?


1995 Ford Escort with 1.9L engine.

Re: What is a good way to clean this cylinder head? [Re: zzyzzx] #5169247 07/23/19 07:32 PM
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Roadkingnc Offline
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I would have the valves and seats checked, those were known to drop valve seats which males for a bad day

Re: What is a good way to clean this cylinder head? [Re: Roadkingnc] #5169264 07/23/19 07:46 PM
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zzyzzx Offline OP
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Originally Posted by Roadkingnc
I would have the valves and seats checked, those were known to drop valve seats which males for a bad day


Totally not necessary. Jasper already did this.

Re: What is a good way to clean this cylinder head? [Re: zzyzzx] #5169321 07/23/19 09:03 PM
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Vern_in_IL Offline
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I would use a die grinder with scotch pads attachment. Or just scotch pads with manual labor from my hands, perhaps a wire brush.

and then use a Starrett metal ruler and feeler gauges to check for flatness.

if needed find a piece of glass and lay down a sheet of sand paper (4000 grit) and do some poor boy garage machining. I use a surface plate, and use those 6" "stickey" orbital sanding disc, and I can get things very flat.

Last edited by Vern_in_IL; 07/23/19 09:08 PM.
Re: What is a good way to clean this cylinder head? [Re: zzyzzx] #5169423 07/24/19 04:34 AM
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Linctex Offline
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Just a wire wheel in a drill, and Scotchbrite. Take your time, don't get aggressive

chase the threads if needed

anti-sieze on all bolts that thread into aluminum


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Re: What is a good way to clean this cylinder head? [Re: zzyzzx] #5169547 07/24/19 08:09 AM
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Donald Offline
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Years ago when I rebuilt my Mustang's 289 engine you could bring it to a machine shop and have it "hot tanked".


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