1994 Mazda 929



December, 7, 2010 AT 7:08 PM

How to change a heater hoses in a 1994 Mazda 929?

1 Answer



December, 7, 2010 AT 7:18 PM

You will need to drain the radiator to a level below the heater hose. Once it is drained, just unclamp both sides of the hose and replace. Refill the radiator. At this point, I recommend loostening the return line from the heater core where it mounts to the engine. Wait until coolant starts to come out (while filling). That way you know air is out of the system.

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