Looking for some help on this topic at 160k on the odometer and figured the lifetime fluid is done.
I was only able to get about 1/2 gallon of old coolant from the radiator. I could not find a drain plug on the bottom as described in the 955/957 instructions. The lower radiator hose was very difficult to remove and disconnect, I removed it just below the intake and pumped out the old coolant.
This is not 4 to 5 gallons and described in the 955/957 DIY.

Anyone familiar with a pressurized radiator after the system is open?


I have done Airlift pressure bleed/fill on my 996 and seen the write up for the 955/957 or refilling won’t be an issue

 

I have had the CTT almost 3 months and just purchased the service manual



This hose was tough to get to so I pumped the old coolant out.



No drain on the 958 Radiator have to loosen this hose another PITA.Never got it off, pumped out the fluid .



This is the oil cooler, remove these hoses too again what a PITA!



Well I get to use this thing again, Purchased for my 996

I was able to replace 5 liters of coolant.