Dont replace it just yet. Pop the hoses off and keep the electric connected. Have someone turn the heat on and off while looking through the valve to see if the plunger is moving up and down. It only moves a little so keep a close watch
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Matte Black Kidney Grilles | Smoked Tails & Corners | Mtech II Bumper | Hotchkis Springs | ACS Roof Spoiler | M3 Spoiler | 20% Tint
WTB: Black sun visors & grab handles - PM ME!
I have P.A. Soft and a 20-pin adapter. Only used it a few times but pm me if you need anything coded!