Date: Fri, 10 Feb 2017 08:08:09 -0500
Reply-To: David Bohannan <fjazzbass@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: David Bohannan <fjazzbass@GMAIL.COM>
Subject: Re: The root of all bubbles,
low compression and evil itself? 1.9 head off...
In-Reply-To: <619C9920-7F76-4CF8-B2B3-854FAFDD23D4@gmail.com>
Content-Type: text/plain; charset=utf-8
Hi Chris...nope, the gasket ring came right off perfectly....
> On Feb 9, 2017, at 9:59 PM, Chris S <szpejankowski@gmail.com> wrote:
>
> Is that a cracked cylinder head gasket that's stuck in the head?
>
> Chris
>
> Dnia 09.02.2017 o godz. 20:18 David <fjazzbass@GMAIL.COM> napisał(a):
>
>> Hi Dennis, all...
>>
>> After a quick cleaning of the head, a tiny crack on the inside of the
>> shoulder- perpendicular to the primary surface, but along the inside of
>> where the cylinder slides in....
>>
>> Also, these were reman heads... it was apparent where repair had been made
>> in between the valves- not so much sloppy, but yeah- not what I would have
>> liked to see.
>>
>> So I'm thinking of replacing it with new- debating doing the other
>> side....
>>
>> https://drive.google.com/open?id=0B15gAxRzC2oqRGRkVTBQa0dudEk
>>
>> Here's a link to a picture of the crack in the lower left side....
>>
>> Thanks for all the advice!!!
>>
>> Dave
>>
>> On Thu, Feb 9, 2017 at 5:24 PM Dennis Haynes <d23haynes57@hotmail.com>
>> wrote:
>>
>>> Head gasket (combustion) failures are a symptom. Usually they are the
>>> result of a fitment problem or the heads came loose. Maybe not really loose
>>> but for some reason the head studs failed to maintain adequate tension on
>>> the heads due to combustion pressures or the thermal cycles.
>>>
>>> In order for the system to seal properly both the cylinder tops and the
>>> head seats need to be near perfect. The cylinders also need to be perfectly
>>> paralleled and in plane with the adjacent one. The cases can warp or twist
>>> and the cylinder bases can get damaged making this impossible. Rare for the
>>> Waterboxer but very common for the air cooled engines.
>>>
>>> You need to look at everything including the possibility the studs are no
>>> good and need to be replaced. Before final assembly test fit a head and
>>> make sure all the studs/nuts can torque up. Any that seem to keep
>>> stretching need to be replaced.
>>>
>>> Some pictures am allow us to give some better answers. You can do this
>>> right or you will get to do it again and curse out the Water Boxer.
>>>
>>> Dennis
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
>>> Of Dave Bohannan
>>> Sent: Tuesday, February 07, 2017 1:05 PM
>>> To: vanagon@GERRY.VANAGON.COM
>>> Subject: The root of all bubbles, low compression and evil itself? 1.9
>>> head off...
>>>
>>> Smart volks…
>>>
>>> I finally got sick of bleeding “air” from the coolant system and suspected
>>> something was up…compression test looked great on 3, bad on one… took head
>>> off and lo and behold, yep I’ve got blown head gasket that allowed
>>> combustion gases into coolant…
>>>
>>> So, I’ve looked at the outside of the cylinder sleeve and it looks
>>> corroded- but the actual head itself doesn’t…do I need to “re-sleeve” it?
>>>
>>> In the least I think I need a new head? The “gasket rings” looked
>>> good…just discoloration around the outside on the head which showed where
>>> combustion gases were coming out...
>>>
>>> I don’t know the right questions to ask here…anyone???
>>>
>>> Dave
>>> 1.9 GL (half headless….)
>>>
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