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[Datsun 1200 encyclopedia]

Fan belt

From Datsun 1200 Club

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Category: Cooling System

Datsun 1200 uses a traditional V-belt to drive the engine accessories. This is commonly called the "fan belt" because it drives the radiator fan on the water pump.

Contents

Minor Maintenance

1972 USA Owners manual (Page 35 ... ):

th_00_cover.jpg   th_35.jpg
Fan belt slackness: 10-15mm

Check the belt slack between the alternator and the fan pulley and adjust it. Grab with finger and thumb (in-between the pulleys) and see how far it moves with moderate effort. It should move about 1/2 inch.

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

To adjust the fan belt tension, loosen the Alternator adjusting link bolt and adjust the tension by moving the alternator. Use a pry bar such as a large screwdriver to move the alternator, and while applying pressure, tighten the adjusting bolt. Be sure to apply pressure on the first section of the case (next to the pulley). Do not pry against the iron portion of the alternator.

7891.jpgAlbum click to view

To loosen the alternator means loosening three bolts: The adjustment bar bolt, and the two on the bottom of the alternator bracket.

1970-1973 engines (with left-side alternator)
23324.jpgAlbum click to view

1974-up engines (with right-side alternator)
23759.jpgAlbum click to view

Part Numbers

1970-1973 Datsun 1200 used a fan belt of 838 mm.

B110 (1970-1973) FAN BELT buy at Rockauto.com
* V-belt, 29/64 inch by 33.5 inch length (838mm). About $6
  * Nissan 11720-18002 BELT-FAN L=838 (838 mm length, 33.0 inches)
  * AC Delco 15335 33.5" x 0.41" (851 x 10 mm)
  * FVP 15330 33.5" x 0.469"
  * Dayco 15335 33.5" x 0.44"
  * Drive-Rite $5.99 USD partsamerica.com
  * Gates 7335 33.5" x 0.41"
  * Gates 9330 XL or Green Stripe Belt 1-3 (177S) (12mm x 848mm/33.4 inch)
  * Goodyear Gatorback 15335 11AVO840 0535 97 (7/16 x 33.0 inch)
B110 USA Air conditioning Compressor Belt 45"
* V-belt (USA AC models) 45 inches ~$10 
  * Dayco 17450DR replaces 11720-E4610/11720-E4615
  * Continental 17455MK 45.6" x 0.53" 
    replaces Nissan 11720-06J01/11720-06J02, 11720-43G01/11720-43G02/11720-43G03
  * FVP 17455 45.6" x 0.531"
  * Roadmax 17450AP 45.6" x 0.5" (1160 x 13mm) replaces Nissan 11720-47600

33.5"/838mm
28582.jpgAlbum click to view

NOTE: B210 and B310 models are different. See Water_pump#Pulleys for a comparison of various fans, pulleys and belts.

B120 Datsun 1200 1976-1994 FAN BELT (970-980 mm)
11720-77701 BELT-FAN&ALTERNATOR (L=980 BANDO) 7510-8503
11721-H7200 BELT-FAN&ALTERNATOR (COOLER USE L=970 BANDO) 7804-8109
11721-H7201 BELT-FAN&ALTERNATOR (COOLER USE L=980 BANDO) 8110-
11720-77702 BELT-FAN&ALTERNATOR (L=980 BANDO) 8504- $15.52
11721-H7210 BELT-FAN&ALTERNATOR (COOLER USE L=975 ミサボシ) 8504-
B120 Compressor Belt
* 11920-H1000 7804-7807 L=810
* 11920-G1615 7808-     L=814

1978-1979 Datsun 1200
* Fan Belt
* A/C Belt
20088.jpgAlbum click to view

980mm 1720-77701
28583.jpgAlbum click to view 28584.jpgAlbum click to view

1979-up Datsun 1200
20089.jpgAlbum click to view

Interchange

USA interchange
* 1971-1973 Datsun 1200
* 1962-1967 AMC six w/manual steering
* 1967-1969 Chevrolet w/o brake booster
* 1999-2002 Daewoo 1.6 a/c belt
* 1985-1988 Dodge Colt A/C
* 1990-1993 Hyundai Excel A/C
* 1982 Mazda 626 A/C w/o power steering
* 1977 Mazda 8080 air pump
* 1985-1988 Mitsubishi Mirage A/C
* 1980-1985 Nissan 720 A/C [some]
* 1982-1983 Nissan Maxima 2.8 power steering pump
* 1985-1988 Plymouth Colt 1.5 A/C
* 1976-1979 Renault 
* 1986 Camry 2.0 
* 1980 Toyota Pickup air pump
* 1969-1975 Volvo 164 power steering pump

Upgrades

You can fit a high-tech cogged-tooth belt:

Or, a shoelace can be used in a pinch:
20621.jpgAlbum click to view 

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This page has been accessed 17,055 times. This page was last modified 00:04, 23 August 2022. Content is available under Datsun 1200 Club.