In an A-pillar gauge pod installation, the lenth of the capillary tube on the Autometer mechanical coolant temp gauge dictates the location of where the temp sensor can be mounted on the coolant manifold. The capillary tube is not detachable from the gauge. Autometer offers an adapter for the mounting the sensor in the bung of the OEM coolant temp gauge sensor. However, in an A-pillar gauge pod installation, the length of the capillary tube is too short to safely reach the location of the OEM bung.
The sensor mounting location shown below is a relatively safe and convenient location for mounting a new bung for the Autometer coolant temp sensor. This sensor mounting location leaves slack in the capilarry tube, protects the capillary tube in the event of a broken belt, allows the capillary tube to clear the hood and provides easy access to the sensor fitting.
A threaded collar was used for the new coolant temp sensor bung. Most industrial supply companies that sell pipe fittings will have threaded collars in stock. The 1/2 NPT collar used in this install was 2" long, but had to be cut down to about 1.25" long for proper placement of the coolant temp sensor within the coolant manifold. The threaded collar was TIG weld to the coolant manifold, as TIG welding offers less of a potential for leaks.
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