radiator changed....and leaking: MC2 10valver

[hayes myers]

Thanks for lots of great ideas.  Looks like will have to yank it
out..although without the AC condensor etc I have lots of room in there now
:)..and all new hardware with thread anti-seize should make it not so bad a
job... unless i can just pull out the sensor!

On Mon, Feb 8, 2010 at 1:10 PM, Joshua Van Tol <josh at spiny.com> wrote:

> That sensor isn't a taper fit, so teflon sealant (either tape or paste)
> won't do much good. Anaerobic sealant (such as offered by permatex) or some
> other gasket goop would work, applied to both sides of the gasket that goes
> under the sensor. Alternately, the gasket might be damaged. Silicone will
> also work, but get the surfaces clean and dry, and only use a tiny little
> bit. Smear it on with your fingers, and spread it very thin.
>
>
>
> On Mon, Feb 8, 2010 at 11:46 AM, LL - NY <larrycleung at gmail.com> wrote:
>
>> I can't recall if the sensor fitting is in the aluminum or the plastic on
>> the 200 rad. If the plastic, DON'T go crazy tightening it, you may end up
>> buying yet another radiator. And FWIW, if in the aluminum, I don't recall
>> which is softer, the brass of the sensor or the aluminum of the radiator.
>> IOW, DON'T OVERTIGHTEN.
>>
>> Sadly, you probably will have to drain out the coolant (at this point,
>> drain
>> out the sensor, it's gotta come out anyway, and you only have to drain
>> until
>> there isn't any drippage from there) and try teflon pipe tape or teflon
>> pipe
>> sealant (but then you'll have to wait for it to cure). Just make sure that
>> there are no frayed edges on the tape that could break free. That ought to
>> do it. And, if the sensor has a gasket, you probably will want to use a
>> new
>> one.
>>
>> HTH,
>>
>> LL - NY
>>
>> On Mon, Feb 8, 2010 at 11:47 AM, hayes myers <hayesmyers at gmail.com>
>> wrote:
>>
>> > Swapped in new rad/hoses etc. Have a leak coming from the temp sensor on
>> > the
>> > rad... Think we tightened maybe not enough... ANyone use anything to
>> help
>> > seal this? I have a new gasket on there...  Grabbing a 29mm to crank it
>> > tighter today/tomorrow..just wondered if there are any BTDT wtih this
>> rad
>> > sensor leaking.
>> > _______________________________________________
>> > quattro mailing list
>> > http://www.audifans.com/mailman/listinfo/quattro
>> > http://www.audifans.com/kb/List_information
>> >
>> _______________________________________________
>> quattro mailing list
>> http://www.audifans.com/mailman/listinfo/quattro
>> http://www.audifans.com/kb/List_information
>>
>
>