Posted by HH56 on 2021/11/11 11:52:54
The heater valve may work as is but chances are the old seal is dry and could be on a short life span. They can be rebuilt and Kev put together a good how-to article
which is in the literature archive.
If the seal has cracked and is leaking, unless it is a huge leak it will not be all that evident. On the passenger side the leak would occur above and fall down behind the carpet and typically run down the sheetmetal under the padding. It will either be absorbed in the padding and not be noticed until the pad is saturated and the coolant smell is very prominent or with luck, a larger flow may continue down and be seen on the garage floor after it collects in the depression surrounding a body bolt location and drips out.
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