Spud99

Hi all, First time poster so please don't rip me a new one. I have a 2.0 TDI 150 octavial 3. I get every service from main dealer. had service on Friday last and told my coolant was murky and needed timing belt done and coolant flush. €550 for timing kit and €450 for flush. so history is 135K KM (90Kmiles) for 2018 2.0 TDI. During my monthly checks i found coolant low, below min level. i added antifreeze (ok ok, i know i should have added coolant) and it was green as opposed to the pink coolant. Car internal heater not heating very well the last few weeks (probable since i added antifreeze) now dealer saying i need the lot. I know there is water pump issues which explains coolant level low. What is the exact schedule for timing belt change. i suspect 150K Km and would be due next service anyway. next question is should i flush coolant my self and save €450. I would be component enough to do this. i could do it again after timing belt done. What would you do. I absolutely love my car, and would only change it for the black superb estate sport-line with black kit that the local dealer has in showroom, if i can find €20K under a rock.