Description
Crank pulley to Fan pulley – 78 to 86 16v & 32v
Porsche used two different pulley diameters #10, so to ensure you have the right size belt, measure the outside diameter of the pulley #10 that drives the fan. 86mm diameter means you need a 20″ belt. 106mm pulley will need a 21″ belt (6821).
Smog/Air Pump Removal – this belt is used to drive the fan pulley directly from the crank pulley. This belt is installed by removing the three bolts that hold the fan pulley bracket #1 to the block. Allowing the bracket #1 to fall forwards, fitting the belt, and by tightening the bracket back to the block, the belt achieves perfect tension.
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