A4 coolant leak

spud · 10-02-2006, 04:22 PM

So my '98 A4 2.8 quattro is leaking coolant in the front right. It is a very very slow leak... i filled it about 3 weeks ago and its not even half way back down to the add line again. But there is a very small drip puddle under it each day. I had it looked at and they said "probably a cracked radiator", but they didn't actually take it apart. Anyone else have a problem similar to this or have ideas for what it could be or what I should look at to figure this one out?

Someone had mentioned Polygard Radseal to try sealing it. There's no problem mixing this with the Audi antifreeze (G12) right? Also, I read something about waterpumps, would that be of a concern?

Thanks a bunch!

**docurley** · 10-02-2006, 04:44 PM

Had the same prob on my 2.8 and I had to put in a new rad in the end after Audi told me it was the pump.

10-02-2006, 04:22 PM	#1 (permalink)
spud Newbie Join Date: Oct 2006 Posts: 1 Gallery: (0)	A4 coolant leak So my '98 A4 2.8 quattro is leaking coolant in the front right. It is a very very slow leak... i filled it about 3 weeks ago and its not even half way back down to the add line again. But there is a very small drip puddle under it each day. I had it looked at and they said "probably a cracked radiator", but they didn't actually take it apart. Anyone else have a problem similar to this or have ideas for what it could be or what I should look at to figure this one out? Someone had mentioned Polygard Radseal to try sealing it. There's no problem mixing this with the Audi antifreeze (G12) right? Also, I read something about waterpumps, would that be of a concern? Thanks a bunch!

10-02-2006, 04:44 PM	#2 (permalink)
docurley Super Moderator Join Date: Sep 2006 Location: London Posts: 860 Gallery: (6)	Had the same prob on my 2.8 and I had to put in a new rad in the end after Audi told me it was the pump. __________________ OEM RS4 Body\| RS4 front Brakes\| RS4 shocks & H&R Race springs\| RS4 Xenons\| 18" BBS RC wheels\| Scroll K04 Outlaw\|RaceTec FMIC\| Southbend StageIII clutch\| Autobahn88 Silicon hoses\| Baileys DV\| Waiting to be fitted: TT MAF\| 380 injectors\| RS4 Rear brakes & a Remap

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