S6 V8-4.2L (BBD) (2004)
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Hold terminal tongue -1- with bolt -2- for fuel filler neck.
CAUTION:
After installing the expansion tank, use ohmmeter to check the electrical connection between metal (Ground clamp) ring on the fuel filler neck and bare
metal part (Ground (GND) on Body.
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Specification: approx. 0 ohm