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| The fuel return line services to return a part of the fuel to the fuel tank to suit different engine operating requirements, preventing the possibility of fuel heated flowing through the fuel line inside the engine compartment, and elminating "percolation" inside the carburetor.<hr></blockquote> | The fuel return line services to return a part of the fuel to the fuel tank to suit different engine operating requirements, preventing the possibility of fuel heated flowing through the fuel line inside the engine compartment, and elminating "percolation" inside the carburetor.<hr></blockquote> | ||
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| + | = Venting = | ||
| + | Datsun 1200 in most parts of the world vents the fuel tank to the atmosphere. A simple hose loop goes from the filler tube up above the tank and back down towards the ground. | ||
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| + | In USA, the tank is not released directly to the air. Instead, fumes are captured by the Evaporate Emission control (EVAPO) system. For details, see [[Fume Control]]. | ||
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| + | http://datsun1200.com/modules/myalbum/photos/7798.jpg | ||
| + | * Fume Control | ||
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| = Parts Sources = | = Parts Sources = | ||
Revision as of 04:47, 20 March 2009
Datsun 1200 uses a 38 or 40 liter petrol tank.
Also see: Fuel Cap, Fuel Gauge, Wiring
Contents |
Mounting
Sedan tank is inside boot, just behind rear seat:
Coupe tank is undernearth car, under the boot area:
wagon tank
Capacity
- Sedan: (40 liter, 10.5 US gal)
- Coupe: (38 liter, 10 US gal)
- Wagon: (38 liter, 10 US gal)
Fuel Sender
The fuel level 'sender' is the sensor in the tank.
- Sedan sender
-
To remove the sender, only a screwdriver and hammer is needed. Carefully drive the retaining ring anti-clockwise until loose.
- Coupe has a vent fitting on it
All use same O-ring and lock plate, including B10 and B120 through B2310:
- 17342-18000 O-ring
- 17343-14800 Lock plate (also 17343-14801)
B110 Sedan USA & JDM
- 25060-H1000 GAUGE-FUEL TANK
- 25060-H1900 1070-
B110 Coupe USA & JDM
- 25060-H1800
B110 Van JDM
- 25060-H1400
B120 JDM
- 25060-G1000 7510-8111
- 20560-G1010 8112-
B210 Sedan USA & JDM
- 25060-H5000
B210 Coupe USA & JDM
- 25060-H5500
- 25060-H7210 0974-
B210 Van JDM
- 25060-H6600
B310 USA Sedan, Coupe, Wagon USA, early JDM
- 25060-H8500 GAUGE ASSY-FUEL TANK
Wiring
There is a single Yellow wire on the sender. It goes forward to the dash Fuel Gauge. The sender is grounded through the tank body.
See: Wiring - Fuel Gauge
Specifications
As measured by club members, by moving the float up and down from stop to stop:
- 12 ohms fully up
- 88 ohms fully down
- 35 ohms half full (per Nissan Factory Service Manual)
NOTE: This does not necessarily match "Full" and "Empty" marks of the fuel gauge, due to normal manufacturing tolerances. Typically a 1200 reads well 'E' before it runs out of fuel, this is normal.
Reference: Forum: Fuel sending unit specs
Also see:
- Fuel Gauge (includes Fuel gauge specs)
Return Line
Starting in 1975, North American B210s were fitted with a fuel return line. Here's what the Nissan publication "Introduction of Datsun B210 (1975 model)" says:
Fuel return systemFor preventing abnormal fuel temperature rise, the fuel return system has been installed. In this system, fuel from the fuel tank is delivered to both the carburetor and fuel tank.
The fuel return line services to return a part of the fuel to the fuel tank to suit different engine operating requirements, preventing the possibility of fuel heated flowing through the fuel line inside the engine compartment, and elminating "percolation" inside the carburetor.
Venting
Datsun 1200 in most parts of the world vents the fuel tank to the atmosphere. A simple hose loop goes from the filler tube up above the tank and back down towards the ground.
In USA, the tank is not released directly to the air. Instead, fumes are captured by the Evaporate Emission control (EVAPO) system. For details, see Fume Control.
- Fume Control
Parts Sources
- Nissan. Call Ericksen Nissan's toll-free number. If Ericksen says they can't get a part let us know (click "Edit" and add it to this article). Also, if they do get the part for you, let us know that too!
- NOTE: Nissan USA is out of stock forever of the Sedan hose. But perhaps they can get the Coupe hose.
- Wreckers, if you can find a 1200 in a wrecking yard
- Friends with parts cars
- Marine supply stores, for general fuel hose and filler hose. NAPA and other old-line auto parts store carry this generic fuel-rated hose also. Trimmed to length using the old filler hose as a guide. It is tough getting it to flex into shape, but can be done.
Filler Hose
Coupe
USA B110 coupe tank
Sedan
Note that the USA B110 sedan tank uses a 2-piece filler hose (there's a small hose inside the bigger one). This is for the EVAPO (emissions market) vehicles:
Two-piece curved filler hose for EVAPO system
This hose is NLA (No Longer Available) in US, Canada or Japan. However, the regular single hose can be fitted as follows:
Straight one-piece filler hose for non-EVAPO system
The hose looks like this:
Filler Hose Comparo
Filler Modifications
Discussions:
Photo Index
Sedan Tank factory Baffling:
