Head Gasket take 2

p m

Administrator
Staff member
Apr 19, 2004
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La Jolla, CA
www.3rj.org
Feel it with what?
How the hell can you feel that to diagnose a HG issue?
It's hotter than *#@^ right there...

Overheating?
Oil in coolant?
Blowing puffy white clouds?

I'm not following...

If it ever happened to you, you'd know. Shut the engine off, and off it goes - pfft - pfft - pffffffff.
 

knewsom

Well-known member
Jul 10, 2008
5,262
0
La Mancha, CA
Turn the truck on after it's been sitting awhile and still cold. PFF-PFF-PFF-PFF, like an exhaust leak. listen and start feeling around for the leak. you'll feel the air rushing out. It'll be warm, but eh, such is life.
 
Re: Head Gasket take 2 - distilled water

I live in San Diego, less than a block from the beach. It almost never gets below 50 here, or above 90.

Simple. Distilled water is great but basically has no lubricity. Straight distilled can't manage the dissimilar metal behaviors that will inevitably happen as traces metals or other compounds dissolve. It also will cause oxidation anywhere it touches iron.

So if you want to run distilled water at least add a simple inhibitor/additive. Water Wetter works well.

BTW - PG based coolants work well and are non-toxic.
 
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my truck has had 7 HG replacements... last one was 80k ago. check the heads for warp and slap a new set on.

I assume you are using good coolant and distilled water? this helps to combat the gasket crapping out.

How often are warped heads found in HG jobs? I understand they can be milled but only about 0.020" max.

My '97 just lost a gasket (@ 160k miles on this engine) so I'll be digging into it soon.
 

KyleT

Well-known member
Mar 28, 2007
6,059
8
39
Fort Worth, TEXAS
How often are warped heads found in HG jobs? I understand they can be milled but only about 0.020" max.

My '97 just lost a gasket (@ 160k miles on this engine) so I'll be digging into it soon.

No clue but a resurface cured it...

Normal dealer bang me out didn't get a resurface job...
 

kennith

Well-known member
Apr 22, 2004
10,891
172
North Carolina
I stopped using the green stuff years ago, Dexcool is the stuff now. Every car/truck/suv I have had to do the heads on used that green crap. VW, Audi, Ford Contour SVT, 99 Disco, 96 Disco, all had the regular green stuff and shortly after I got them the gaskets went out. FYI.

Time to fly a few pigs down to hell for a snowball fight.

Cheers,

Kennith
 

riceybean

Well-known member
Jun 29, 2008
861
0
Vancouver, WA
Yes but green is worse...

I only ever use havoline des cool. Or oem texaco. They are not all the same.


But I remember gem talking about some pule stuff that was supposed to be better...

I just went by what was recommended in the manual, was that a wrong choice? What should I use?

I used Havoline Extended Life Dex Cool. :(

As per manual:

Use ONLY a 50% mix of water and Havoline
Extended Life Coolant (XLC) or any ethylene
glycol based anti-freeze (containing no
methanol) with only Organic Acid Technology
(OAT) corrosion inhibitors.
 

n8thgr8

Well-known member
Dec 6, 2006
587
0
Colorado, Guam
So a question came to mind, when milling the heads, do they have to be milled so they are exactly the same? or can you mill one .35 and one .28 or something?
just curious