Head gasket, Is this the VW bulletin? |
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Head gasket, Is this the VW bulletin? |
DavidSweden |
Nov 19 2014, 01:51 PM
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#1
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Member Group: Members Posts: 479 Joined: 8-June 14 From: Sweden Member No.: 17,452 Region Association: Scandinavia |
I am currently rebuilding engine. In order not to tire everyone with a lot of newbie questions I have been searching the forum (thanks for the tip CapĀ“n).
There has been a lot of debate about using or not using head gaskets. Is this the VW tech bulletin which has been referred to in some of the post recommending not to use the head gaskets? VW Tech bulletin head gasket David |
Cap'n Krusty |
Nov 19 2014, 10:10 PM
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#2
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
That's it. Applies ONLY to certain VW Bus engines, NOT 914s.
The Cap'n |
DBCooper |
Nov 20 2014, 01:39 AM
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#3
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14's in the 13's with ATTITUDE Group: Members Posts: 3,079 Joined: 25-August 04 From: Dazed and Confused Member No.: 2,618 Region Association: Northern California |
That's it. Applies ONLY to certain VW Bus engines, NOT 914s. The Cap'n Do something for me, Cap'n. Look at the date on that bulletin. Manufacturers are required to support their products for ten years, meaning Volkswagen had an obligation to issue that bulletin while Porsche, who had stopped selling cars with those engines more than ten years previously, had no obligation. But they're the same engine if installed in a Volkswagen or a Porsche, aren't they? So why would VW's advice be any different if their engines were installed in Porsche cars or VW's? The problem VW was addressing was the tendency of their head gaskets to fail and burn through the gaskets, usually but not always on high mileage engines. Aircooled engines run hot and the VW design sandwiches an iron cylinder between an aluminum case and an aluminum head, where the heat cycles from normal use repeatedly compress the head gasket, eventually consuming all its flexibility and ability to seal. Combustion will eventually erode through a head gasket, and usually take the head with it. You may have never had the problem, I don't know, but Volkswagen did, and they had it a lot. They didn't issue that bulletin frivolously, defective products are a very hard and expensive thing for any car company to admit. It's not an imagined problem, there was a good reason. |
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