Wednesday, 30 October 2019

Car troubles: The saga continues, replacing the main bearing of a viscous coupled fan of a Audi A6 C4 2.5Tdi with AAT or AEL engine

Some of the parts arrived.

Schaeffer part number

The lip seal was already twisted over itself from the factory.

Maximum allowable interference fit for double row self-aligning ball bearing is around 24um. The bearing running-clearance for c3 bearings is 11um.

The inside of the bearing is 40ųm on the negative side.

MOQ for the bolts was 10pcs. And they cost a whopping 3.6€ a piece.

Sure, they look nice.

The m14 din609 fit bolt neck is exactly 15.00mm

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