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Re: remove heater core valve? (archive)

[ Follow Ups ] [ 5-series (E28) Message Board ] [ Msg. Board FAQ ]

Posted by RonW on January 14, 2001 at 18:51:20:

In Reply to: remove heater core valve? posted by poe on January 14, 2001 at 17:25:58:

What kind of car do you have? I have a 535i, which has easy access to the heater valve, but there's a cable in the way of two of the four screws you undo to remove the core.

The valve is held to the firewall by two screws. Once you undo them, the valve is supported only by the hoses, and you can move it around so you can access the four screws securing the core.

An easy way to test the valve is to unplug its electrical connector. That is supposed to force maximum heat. If you don't get heat, and the engine is warm, chances are the valve is bad. Pray that's the problem, because it's a lot easier and cheaper than replacing the heater core.

How do you remove the heater core valve when you can't get to it becouse the brake fluid container is in the way?I can see the four screws that need to be removed but can only get to two of them.also how do you tell if the heater core valve is bad?

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