Fan belt

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Datsun 1200 uses a tradition V-belt to drive the engine accessories. This is commonly called the "fan belt" because it drives the Water pump and Radiator fan.

Minor Maintainence

USA 1972 Owners manual (see page 35 for fan belt information): Fan belt slackness: 10-15mm

To check the fan belt tension, loosen the Alternator adjusting link bolt and adjust the tension by moving the alternator.

Check the belt slack between the alternator and the fan pulley and adjust it.

Fan belt slackness: 0.394 to 0.591 in (10 to 15 mm)

Part Numbers

V-belt

• NISSAN: 11720-18002 BELT-FAN L=838 (838 mm length)

  V-belt, 29/64 inch by 33.5 inch length. About $6

• V-belt (AC models) 45 inches ~$10
• $5.99 Partsamerica.com Drive-Rite B70895
• Gates 20777

Interchange

• 1971-1973 Datsun 1200
• Other models?
• B210 and B310 models are different. See Radiator for a comparison of various fans, pulleys and fan belts.