Chris777

Got you, I've had a good look and can't see one or the remnants of one

What am I looking at in the pic sorry?

Hi Matt. It says 'Mit Silikat' on side of header tank if has one apparently. Mine doesn't have this so presuming it didn't have in first place.

Hi Cliff Thanks for your input I came across the burst /leaking silica bag suggestion. Only some 8V got them apparently and if was present says on side of header tank. Thankfully looks like mine never had one. It is a copart rebuild front damage, the coolant temp sensor had somehow dislodged and all coolant out when I got it. Not sure if impact somehow dislodged but can find no other leak or damage to why the coolant came out. I have read the matrix can gum up if left sitting without coolant for a while (money was maybe 6 weeks max) hoping it's just a flush. Looking at the coolant carefully that came out couple tiny bits of plastic in it so also slight concern where from and if more stuck anywhere

Getting no leaking or check engine light, no faults at all.

Thanks Matt How likely do you think is this?.how do I diagnose for sure? No noise coming from it. Getting really hot input pipes to rad and matrix but both outputs are slightly warm at best.

Looks like Water pump/stat assembly is on that side and what is referring to. It's about £190,for OEM which is also about what he was saying with £300 ish labour for 3-3.5 hrs

Ok thanks Does the 1.4 TFSI have an auxillary pump? Could this be at fault? How do you go about diagnosis when no errors are logged at all. Garage said 'it's an educated guess' from others he's done for £500 I'd want a little more if any way poss

Another quick question if I may. When draining how do you ensure getting as much out as poss, do you run up with pipe off to get out what's in the engine/stat open or is there another way? I noticed when filling it took about 5 litres but online some say 8litres other places 10 litres for the 8v both quite a difference

Ok thanks for that. Didn't know having the fan on would slow down the process. Struggling to get right to the bulkhead connection point with heat shield and location but seen a few people disconnect the hose connected to and flush through those 2? Would you use a pressure washer set to say medium? What is the part that hose connects to on the side of the engine please, a local garage said reduced or no flow is probably that and can swop all for about £500 inc parts? Is he meaning the water pump assembly do you think? Is this likely?

Thanks Sid I appreciate your message. Hoping to avoid replacing if poss. I have bought a cheap vacuum refill for putting the coolant back in and some Wynns Rad flush. It was a copart fixer upper and came with all coolant drained the lower coolant temp sensor on the corner elbow was popped out but not sure if the impact dislodged. Have read the matrix can gum up if coolant has drained and left to stand.? Think was only a few weeks but it's also a 14 plate. Was thinking like you said drain coolant. Then try and flush a few times. Where is the best point to flush the whole system and do you backwash or with the flow ? Would you isolate the 2 matrix pipes and put the Wynn's just in that and flush or just in the header tank and run to temp? Getting no errors or codes and seems to take from the header but pulled the flow back in small pipe and can't see it coming back in. Not sure how possible as runs for a good 45 /60 mins before feeling too warm but no overheating warning on dash. I am quite new to this but keen to learn . Any help gratefully received.

Did anyone fix there issues please and how. Can see 5 or 6 people saying same issue but no one said if and how they sorted. Please help

Should it only flow out the side I input the house across the radiator and come out the other side aswell?

Think the purple are EPDM. I tried the radiator flush with the hose pipe to test flowing. How do I gauge if sufficient flow please? I put in larger inlet on left top seems to take a sec then flow through OK but seems to bubble a bit as it comes out not just flow free, same on the smaller right side pipes but doesn't bubble / gurgle. The damage / impact was towards the left. How do I gauge if sufficient?