If no cap on tank, you have to use reservoir.
take the vehicle to a reputible radiator repair shop and they should be able to flush the whole system out for you.
What is the Cylinder Torque sequence 2000 Pontiac Montana 3.4V6
The "Low Coolant Sensor" on a 1997 Pontiac Montana is located appro 6" below the radiator cap which is on the left as your facing the engine. The sensor measures the fluid level in the radiator itself and is prone to giving false alarms when it gets dirty.
The 2000 Pontiac Montana does not have a vacuum modulator installed on it. Instead, it has an electronically controlled transaxle.
where is the freeze plug located in a 2000 pontiac montana mini van
No
r134a
my 2000 Montana is still on its original fuel pump
they are located in the exhaust system Where ? how many 02 sensors on a 2003 Pontiac Montana
Look at the lower or rear of radiator
The oil filter is in between the radiator and the engine. If you imagine a line between the middle of the licence plate and the oil plug it should be in the middle
its a 3.4 liter