WizPorsche944

Hey guys I broke down and bought a new coolant expansion tank and would like to know what is the best way to install this.

Do I need to drain the whole system or is there a way I could change it w/o draining all of it.

PeteL

Nah...just enough to empty the tank.

87944turbo

+1, FWIW I always drain coolant by pulling the lower radiator hose. Much easier than pulling than messing with the drain plug, which can break in the removal/installation process. You should be able to slid it back just enough to drain slowly and pop it back on to stop the flow.

WizPorsche944

Also what brand coolant are you guys usuing ?

krystar

yea i also just pull the lower rad hose and let it drain out as much as needed to empty the tank. undo the two hoses, swap the tank, reattach hoses, refill, bleed it.

i'm just using prestone 50/50 premix. mt. dew stuff.

Sour Kraut's 951

I am using the non-phosphate from Toyota as I had it left over from my Prius. It is designed for all aluminum applications. If this is bad someone please let me know.

elzergone

I'm just using water right now...


I know I know I'm gonna flush it!

krystar

as long as it's distilled water and not just tap :P

WizPorsche944

Is this ok ?

http://www.pentosin.com/shop_produkt...1&pid=803&vid=

gtroth

Blue stuff.

VW Pentosin G001100, 50/50 with distilled water. Couldn't find it last time so I used the replacement:
VW ZVW-237-10.

Can also get it at Audi.