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Discussion Starter · #1 ·
Got a new MK2 jetta with a leaking heater rad. Hoses were bypassed. I got a new heater box placed the hoses back in place but the coolant doesnt pass through (no heat). Do I need to bleed the system? Should I change the thermostat? Or water pump could be failling on me? Im in montreal and im getting pretty cold in morning. Please help
 

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could be your vent flaps or blockage in the heater matrix.
remove hoses from matrix on firewall and see if you can get a hose flowing through there.
PS: DONT OVER PRESSURE IT WITH THE HOSE - LET IT SQUIRT. a lil bit of restriction is normal
if that checks out, let the car get warm and feel the hoses for heat
 
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