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[Datsun 1200 encyclopedia]

Fuel tank

From Datsun 1200 Club

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Category: Fuel System

Datsun 1200 uses a 38 or 40 liter petrol tank.

Contents

Capacity

  • Sedan: (40 liter, 10.5 US gal)
  • Coupe: (38 liter, 10 US gal)
  • Wagon: (38 liter, 10 US gal)

Mounting

Sedan tank is inside boot, just behind rear seat:
3527.jpgAlbum click to view 13984.jpgAlbum click to view 5627.jpgAlbum click to view

Coupe tank is undernearth car, under the boot area:
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VB110 wagon tank
3529.jpgAlbum click to view

Truck tank
19621.jpgAlbum click to view

Gas Cap

See main article: Fuel Cap

Fuel Sender

The fuel level 'sender' is the sensor in the tank.

See main article: Fuel Sender

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 system

For 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. The loop is to prevent a siphoning effect.
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Van (wagon)
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EVAPO

In Australia after 1978, and Japan after 1974, and all years in North America 1200s used the Evaporative emissions control system.

With EVAPO, the tank is not vented directly to the air. Instead, fumes are captured by the Evaporate Emission control (EVAPO) system. For details, see Fume Control.

7798.jpg 19621.jpg 20531.jpg

Filler Hose

Coupe

USA B110 coupe tank
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JDM
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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:

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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:

9716.jpgAlbum click to view
Straight one-piece filler hose for non-EVAPO system

The hose looks like this:
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Filler Hose Comparo

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Filler Modifications

Discussion: Need Fuel Tank!!

Sedan Tank

* Early: ventless (vents through filler hose)
up to chassis number B110-145650, B110-600010
17201-H1000 ASS'Y-TANK, fuel
17201-H1001 ASS'Y-TANK, fuel (with baffle plate) > 17201-H100
* Revised: two tank vents
All PB110 sedan
B110 from chassis number B110-145651, B110-600011
* Fuel Sender updated at same time
17201-H1902 ASS'Y-TANK, fuel
17201-H2800 ASS'Y-TANK, fuel > 17201-H1902

17201-H2800 vented tank
174_5b349e013a668.jpgPost click for topic 174_5b349e369ce2f.jpgPost click for topic 174_5b349e59c453a.jpgPost click for topic 174_5b349e640f27f.jpgPost click for topic174_5b349e8c2d883.jpgPost click for topic

Sedan Tank factory Baffling:
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Coupe Tank

25547.jpgAlbum click to view 100_5192.jpg 100_5235.jpg 22649.jpgAlbum click to view

Vent hose loop
22648.jpgAlbum click to view

Vent hose loop (end hangs free, vents to atmosphere)
100_5187.jpg
Fuel sender vents to filler hose

Fuel Outlet is on bottom half of tank
100_5235.jpg

Fuel Outlet goes back
100_5240.jpg

US EVAPO

Expansion Tank is a liquid/vapor separator. This was replaced by a check valve in the B210 sedan, while B210 coupe continued to use the separator tank. In the B310 this tank was removed and all models used the check valve.
th_PICT0217.jpg

17350-H1801 ASSY-TANK RESERVOIR
17350-H1802 ASSY-TANK RESERVOIR

20427.jpgAlbum click to view

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Diagram
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See Coupe Fuel Tank Part Numbers

Truck Tank

17251-G1001 CAP ASS'Y-filler
17251-H1901 CAP ASS'Y-filler EVAPO 1973

Early plain tank
174_5a67b2d182c96.jpgPost click for topic 19888.jpgAlbum click to view Fuel Door

10879.jpgAlbum click to view

EVAPO

Reservoir tanklet was added March 1973 in Japan.

1978 in Australia.
Ute_fuel_tank-reservoir-type.jpg 24465.jpgAlbum click to view
Part Numbers
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1987 (昭和62年1月)
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Return line was added October 1989.
C17-01.jpg

Late tank, 1989 October - 1994
B122_tank-a.jpg B122_tank-b.jpg B122_tank-c.jpg

TANK ASSY-RESERVE 17350-G1403, 17350-G1402
* placed above main tank, up in the tray sidewall
25589.jpgAlbum click to view

reserve_tank.jpg th_Ute095.jpg

1409-2.jpg 1409-1.jpg

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B210

B210 Sedan Tank is similar to B110 Sedan tank
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Compare to B110 SEDAN tank
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B310

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Parts Sources

  • Nissan. In North America, 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.

Alloy Tanks

Coupe
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Ute
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Fuel Cell

See Main Article: Fuel cell
21819.jpg

タンク ガソリン 

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This page has been accessed 49,379 times. This page was last modified 21:49, 6 November 2019. Content is available under Datsun 1200 Club.