MG ZR Saab Valve


Pro Tuner
Essex, England
Mini Cooper S R56
I'm hoping the MG buffs can help me with this...

Basically my heating don't work. It has been like this for 2 days, and with all the bad weather is honestly, becoming dangerous!

I have checked for air locks, the pipes going to the heater matrix are hot to the touch and the matrix flows water. I have narrowed it down to the bypass/Saab valve. Tomorrow I have the morning off and I AM GOING TO FIX IT. Only question is, is the Saab valve directly connected to the exspansion tank? Will I loose coolant if I remove it and take the valve apart? Basically, will I need to flush the coolant and where are the bleed nipples?

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