Murrayw1996 Posted October 12, 2020 Share Posted October 12, 2020 Hello, just picked up a 1998 A4 Avant 2.5 v6 tdi. It has a coolant leak which ive found to be the metal pipe that runs through the valley of the engine, splits off to go to the heater matrix and to the bottom pipe of the expansion hose. Its rusted through where it meets the engine just under the fuel pump. Part number of the pipe is 059121075K. Does anyone know the best way to change these? Already got the EGR out the road at the downpipe. Any help would be much appreciated! Cheers Murray Quote Link to comment Share on other sites More sharing options...
audia4b5kev Posted October 12, 2020 Share Posted October 12, 2020 get the plumbing gear out bud use milli bore stuff done that one my old v6 diesels kev Quote Link to comment Share on other sites More sharing options...
audia4b5kev Posted October 12, 2020 Share Posted October 12, 2020 https://www.ebay.co.uk/itm/Audi-A6-S6-C5-4B-1998-Pipe-s-hose-s-059121075K-Diesel-110kW-ARA6033/303067215930?epid=1109333648&hash=item469036b83a:g:Rc0AAOSwjfBfhBhL Quote Link to comment Share on other sites More sharing options...
Leafypot Posted May 4, 2021 Share Posted May 4, 2021 Did it look like this and did you fix it? Parts 1 & 6. Quote Link to comment Share on other sites More sharing options...
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