coolant leak

  1. M

    Front Engine Coolant Pipe

    Hi all, I've got an A3 8P 1.9Tdi, BXE. I've recently developed a coolant leak when it started getting below zero here and managed to trace the source of the leak to the metal coolant pipe running across the front of the engine and in to the side of the engine block behind where the thermostat...
  2. F

    Audi A3 cold air and losing coolant

    Hi everyone. I’m really hoping someone could guide me on my AUDI A3 issues. Car is Audi A3 2L diesel About 1 month ago, whilst driving on the motorway, I noticed cold air blowing through the vents, I never thought much about it and drove home. The next day I got a message saying my coolant was...
  3. F

    Audi A3 cold air and losing coolant

    Hi everyone. I’m really hoping someone could guide me on my AUDI A3 issues. Car is Audi A3 2L diesel About 1 month ago, whilst driving on the motorway, I noticed cold air blowing through the vents, I never thought much about it and drove home. The next day I got a message saying my coolant was...
  4. S

    Charge Air Cooler Replacement Part

    Hi, So I’ve been having an issue with my A3 2.0 TDI (CUNA) loosing coolant on a regular basis and ,after an inspection from a local specialist, they have informed me that the likely culprit is the Charge Air Cooler since they found a whole load of coolant around its sensor. Apparently it’s also...
  5. G

    Coolant leak v6 3.0 tdi

    Hello! I'm up against some real mechanical sorcery here. I'm having coolant leak issues in the valley of my v6 tdi 3.0 (CDUC motorcode) I've changed to new gaskets on the base plate of the oil cooler, both sides. I've also bought a new coolant flange with new gaskets and installed it. Now to...
  6. S

    Headgasket??

    Hey all, first time posting in this forum or any forum for that matter so pls go easy on me Just recently bought a PFL A3 8V 1.6TDI with the DSG box. Car runs perfect engine and gearbox are fine, drove it home from Wolverhampton to Manchester with no problems, and have been driving it around...
  7. M

    Q5 Replaced coolant bottle, but cascading effect of things breaking :(

    I had an issue with the aux. water pump, and got this replaced when my Q5 (2016 Diesel) was due for its service. The coolant reservoir looked dirty and I asked the guy if someone previously put oil in there, (the mrs could have done this) but thats what it looked like. I suggested changing the...
  8. J

    Can anyone ID this pipe/hose?

    So I've been a lurker of this forum for years now, but this is my first post. I've got a 2012 A3 8P Quattro (Engine code: CFGB). Had it for 6-7 years, absolutely love the car and it's generally been really reliable. Last night on a journey home the red coolant light came off and I immediately...
  9. MPH

    A3 8l 1997 (non turbo) oil cooler coolant leak

    Hi there anybody had this particular coolant leak before looks like both hoses although could be just one I am going to remove the hoses and check them clean any corrosion from oil coiler connectors and look at hose clips thanks in advance MPH.
  10. E

    Coolant leak Dripping onto Bell Housing

    Hi, new here. I had an intermittent coolant leak for a good month or so, but recently its been a constant dripping, and now it's dropping quite a lot of coolant daily. I've got a 2006 2.0 Tdi PD170, the leak itself is dripping off the drivers side of the bell housing, I've had the car on axle...
  11. RedDragon

    Broken Coolant Hose Fittings

    If you are replacing your Leaking S3 thermostat housing and water pump be sure to swap out the brittle plastic hose fittings before they leave you stranded. It is an entire kit from VW/Audi.
  12. RedDragon

    Coolant pipe leak

    I have a small coolant leak on my 2014 S3 in the plastic Y pipe that comes off the water pump (which was replaced 2 weeks ago). Has anyone else had this leak? Does anyone have the part number for the hard plastic Y pipe coming off the top of the water pump on a 2014 S3? Mine has a small leak in...
  13. Euangray

    A4 B6 - Mystery Coolant problem

    Hi, having a bit of a weird one with my ageing but fairly low milage (59k miles) A4, 1.8T avant quattro. I'm at a loss, so hoping someone can help out: Its been leaking coolant slowly for a while, but never more than a couple of drips in the driveway. Then one day, sitting in a hot traffic...
  14. J

    DIY Heater Matrix replacement

    Hi, Has anyone been brave enough and successfully managed to replace their heater matrix? Having followed the Haynes manual, I am at a point where I have got the old one out (had to cut it out) and I’m finding some more issues with getting the new one in. Firstly, should the pipes be fairly...
  15. T

    White smoke

    I bought an A3 1.9TDI 59plate manual about 3 weeks ago but, when test driving the car, there was slight white smoke coming from the exhaust (put this down to lady/previous owner not having drivin it for about 3 weeks as she had a new car and was fine on motorway). Yesterday when driving (had it...
  16. D

    Coolant leak!!

    Hi everyone first post so pls bear with me! I have a A4 b7 2.0T I have some coolant leaking from around the thermostat housing area, i have replaced all pipe work around the housing but the leak remains what is the likelihood of the housing it self having a crack or could it just be the seals...
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