I had been noticing an oil leak that was coming from the bottom of the oil filter tower. It suddenly worsened. I expected to find a leaking crush washer, but it turned out the oil pressure sending unit was cracked and about ready to blow.


While waiting for a new one to arrive, I plugged the hole with a bolt and a spacer with an aluminum crush washer on each side.


We got a VDO brand sending unit.

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1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C
1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Highly Optioned, 350,000+ Miles