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….) >>