Jimbob_S3 Posted August 2, 2010 Report Share Posted August 2, 2010 Hi All, Both Auxilliary radiators are leaking on my 53 plate S4. I've read the posts in the forums and reckon I might attempt to replace these myself in the next few weeks. Europarts or GSF don't stock the part and referred me back to dealer. Local Audi dealer said they were £163 each! Anyone know if they are available to but elsewhere - or anyone bought them at a cheaper price from their local stealer ? Any help appreciated. Cheers Link to comment Share on other sites More sharing options...
rottenbend Posted August 2, 2010 Report Share Posted August 2, 2010 Can't be of much help - both of mine were replaced under warranty. But I do remember the dealer saying that they were a scarce part and were constantly on back order. If a third party had decided to offer this part, I'm sure they could have made a small fortune by now... Link to comment Share on other sites More sharing options...
PetrolDave Posted August 3, 2010 Report Share Posted August 3, 2010 Had my RHS front replaced by an Indi last year, had to wait a week for them to get the radiator from the local Audi dealer. Link to comment Share on other sites More sharing options...
cb_cab Posted August 3, 2010 Report Share Posted August 3, 2010 How about taking them to a radiator specialist and having them repaired? I'm not familiar with the S4 auxiliary radiator but have successfully had radiators on other cars refurbished in the past. Link to comment Share on other sites More sharing options...
Jimbob_S3 Posted August 3, 2010 Author Report Share Posted August 3, 2010 Cheers, Worth a thought, but they dont look that great, probably best to just put some new ones on. Link to comment Share on other sites More sharing options...
Jimbob_S3 Posted August 3, 2010 Author Report Share Posted August 3, 2010 Had my RHS front replaced by an Indi last year, had to wait a week for them to get the radiator from the local Audi dealer. If you don't mind me asking - what did they charge for that job ? Link to comment Share on other sites More sharing options...
swarcp Posted August 4, 2010 Report Share Posted August 4, 2010 sorry for the confusion but are you talking about intercoolers, air con rad or the main engine rad? Link to comment Share on other sites More sharing options...
rottenbend Posted August 4, 2010 Report Share Posted August 4, 2010 sorry for the confusion but are you talking about intercoolers, air con rad or the main engine rad? The S4 V8 (and related cars) has auxiliary cooling radiators in addition to the main rad. These are needed for extra cooling, the result of shoehorning a big V8 into such a small engine bay. They seem to be a weak point in the design. There have been several owners of V8 cars which have had either one or both extra rads fail. If your looking to buy a second hand one, I would try to get one which had had its rads replaced. Link to comment Share on other sites More sharing options...
PetrolDave Posted August 4, 2010 Report Share Posted August 4, 2010 The S4 V8 (and related cars) has auxiliary cooling radiators in addition to the main rad. These are needed for extra cooling, the result of shoehorning a big V8 into such a small engine bay. They seem to be a weak point in the design. The B7 was supposed to have had this problem cured by a redesign of the ducting to the auxiliary radiators to prevent the buildup of damp mapterial which is what corrodes the auxiliary radiators. It has been partially successful in that it has reduced, but not eliminated, the problem on the B7 - as my failed RHS auxiliary radiator illustrates. IIRC the indi charged me about £250 for parts and labour, which I thought was very reasonable. Link to comment Share on other sites More sharing options...
Jimbob_S3 Posted August 4, 2010 Author Report Share Posted August 4, 2010 The B7 was supposed to have had this problem cured by a redesign of the ducting to the auxiliary radiators to prevent the buildup of damp mapterial which is what corrodes the auxiliary radiators.It has been partially successful in that it has reduced, but not eliminated, the problem on the B7 - as my failed RHS auxiliary radiator illustrates. IIRC the indi charged me about £250 for parts and labour, which I thought was very reasonable. Does sound very reasonable if Audi are wanting £163 per radiator. Might try a few local independents for a quote. Link to comment Share on other sites More sharing options...
DTM S4 Posted August 5, 2010 Report Share Posted August 5, 2010 Hello, new to the forum!Replaced both mine last year, best price I could get was from Welcome to Stoke Audi Parts guys name was Dave Lever, very helpfull!! Not too bad a job to do, if you fancy doing it yourself. Biggest job was getting front bumper off, head light washer supply etc. Once this is done they are right infront of you. Best of luck, DTM Link to comment Share on other sites More sharing options...
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