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[Datsun 1200 encyclopedia]

Fuel Cap

Revision as of 05:37, 27 April 2008; view current revision
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Category: Fuel System

USA model 1200s use a positive pressure Gas Cap. It is not vented. It seals the tank. Venting takes place with a vent line to the engine compartment, where it vents into the crankcase.

15909.jpg 16012.jpg

Newer models, starting with the 1973 B210, vent into a charcoal cannister. But they use the same cap.


The fuel filler cap should be sealed type. It does not let air out. But it does have a vacuum release valve to let air in. Perhaps it has the wrong cap. It should be more or less flat on the outside, with a nubbin on the inside.


Testing

You should not be able to blow air out throw the cap
You should be able to suck air in through the nubbin.

15910.jpg

  1. Wipe valve housing clean and place it in your mouth.
  2. Inhale air. A slight resistance indicates that the valve is in good mechanical condition. Note that, by further inhaling air, the resistance should disappear as the valve clicks.
  3. If valve is clogged, or if no resistance is felt, replace cap as an assembled unit.

Interchange

The same gas cap is used for most Datsuns, from 1971 to early 1980s.

15908.jpg

Pressure-Vacuum Type For Emission Control

  • #16 / 671016 Atlas
  • Stant #G-806

Fits:

  • Datsun
    • 720 Pickup 1980-1982
    • 620 Pickup 1972-1979
    • Stanza 1982
    • F10 (F-10) 1982
    • B110 1971-1973
    • S10,S110 (200SX) 1977-1982
    • B210 (B-210) 1973-1978
    • B310 (210) 1979-1982
    • 280Z 1977-1978
    • N10 (310) 1979-1982
    • A10 (510) 1978-1981
    • 610 Wagon 1973-1976
    • 710 Wagon 1977
    • 810 (Maxima) 1977-1982
  • AMC
    • 1971, 1972, 1973, 1974 - Ambassador
    • 1970 - Ambassador, California only
    • 1978, 1979, 1980, 1981, 1982, 1983 - Concord
    • 1980, 1981, 1982, 1983 - Eagle
    • 1977, 1978 - Gremlin
    • 1974, 1975, 1976, 1977 - Hornet
    • 1978, 1979 - AMX, Javelin
    • 1971, 1972, 1973, 1974 - AMX, Javelin
    • 1970 - Javelin, California only
    • 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978 - Matador
    • 1977, 1978, 1979, 1980 - Pacer Station Wagon
    • 1971 - Rebel
    • 1970 - Rebel, California only
    • 1979, 1980, 1981, 1982, 1983 - Spirit
  • Buick
    • 1970 - Station Wagons, California only
  • Cadillac
    • 1970 - California only
  • Chevrolet
    • 1970 - Full Size Station Wagons, California only
    • 1970 - Camaro, California only
    • 1970 - Chevelle & Malibu, California only
    • 1970 - Chevy II & Nova, California only
    • 1970 - El Camino, California only
  • Chrysler
    • 1977, 1978, 1979 - LeBaron, 2 Door
    • 1976, 1977 - Full Size Station Wagons
    • 1971 thru April - Imperial
    • 1970 - Imperial, California only
  • Dodge
    • 1977, 1978 1979 - Diplomat, 2 Door
    • 1976, 1977 - Royal Monaco Station Wagon
    • 1971 thru April - Full Size, Coronet, Charger
    • 1970 - Polara, Monaco, California only
  • Ford
    • 1970 - Fairlane Station Wagon, California only
  • Plymouth
    • 1976, 1977 - Gran Fury Station Wagon
    • 1971 thru April - Fury, Belvedere,Satelite, Barracuda
    • 1970 - Fury, California only
    • 1970 - Belvedere, Satellite, except Station Wagon, California only
  • Pontiac
    • 1970 - Station Wagons, California only
  • Renault
    • 1982 - Fuego
    • 1980, 1981, 1982 - 18I
  • Subaru
    • 1978, 1979, 1980, 1981, 1982
  • Toyota
    • 1978-1982 Celica
    • 1976, 1977 Celica Liftback
    • 1981 Starlet
    • 1980-1982 Tercel
    • 1980-1982 Corolla
    • 1971-1974 Corolla Sedan
    • 1970 - Corolla 1200
    • 1979-1981 Corona Sedan, Liftback, Station Wagon
    • 1972, 1973 Corona Hardtop, Sedan
    • 1970, 1971 Corona
    • 1973-1976 Corona MK II Sedan, Hardtop, Station Wagon
    • 1969-1972 Corona MK II
    • 1980-1982 Cressida
    • 1978, 1979 Cressida Sedan
    • 1971, 1972 Crown
    • 1971-1983 Hilux Pickup, Sport Truck
    • 1979 Land Cruiser
    • 1981, 1982 Land Cruiser
    • 1981, 1982 Starlet