The 8MM thread size nuts take about 8 ftlbs of torque.

The engine temp switch should have a crush washer & need no further sealant.

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MERCEDES Benz Master Guild Technician (6 TIMES)
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190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
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