A6 oil leak

[David Head]

I was thinking JB Weld, or just TIG over it...

Mike Arman wrote:

>
>> "Edward R. Wendell IV" <erwendell at mac.com>
>> Subject: Re: A6 oil leak
>>
>> I don't know if it's a similar issue but a friend of mine has an 98 A4
>> V6 that leaks oil out of the back of the head. Audi used a ball bearing
>> pressed into the end of the oil passage in order to seal it and in his
>> case it just doesn't do the job. His only option is to get a new head
>> so he just lives with it.
>
>
>
> "Only option"? Maybe at the stealership . . .
>
> That might be Audi's answer, but I think I'd try to avoid buying a new 
> head over something this simple.
>
> If the ball bearing is deeply seated, clean the area, run a 
> flat-bottom tap into the hole, and install a threaded plug (a "bolt?") 
> using some red loctite.
>
> If the ball bearing is accessible, remove it, run a tap into the hole, 
> run the engine a few moments to blow out the chips (yes, it's messy, 
> but you don't want those chips inside the engine), clean it real well, 
> tap and plug as above.
>
> If there is no working room at the back of the head, you may have to 
> pull it to do this - but you'd have to pull it anyway to replace it, 
> and a threaded plug is going to be WAY cheaper than a complete 
> cylinder head.
>
> Best Regards,
> Mike Arman
>
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