How to safely remove and reinstall a fuel tank on Mazda 626?

Raise the rear of the vehicle and support it on jackstands, then remove the cable from the negative battery terminal. Drain all fuel from the tank into a clean container, mark and disconnect the fuel lines and the filler pipe at the fuel tank. While the tank is supported by an assistant or a floor jack, remove the five retaining bolts, carefully lower the tank, unplug the gauge unit connector, and remove the tank from the vehicle. All repair work should be performed by a professional. Before reinstalling the tank, ensure that all traces of dirt and corrosion are cleaned from it, and apply a coat of rust preventative paint; if the tank is rusted internally, it should be replaced with a new one. Installation follows the reverse of the removal procedure.

Genuine Mazda 626 Fuel Tank

Gas Tank

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2 Fuel Tanks found

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Mazda 626 Fuel Tank Part Number: GD7A-42-110E
Product Specifications
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1998-2002 Mazda 626 | DX, ES, LX | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mazda 626 Fuel Tank Part Number: GJ21-42-110G
Product Specifications
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1988-1992 Mazda 626 | DX, GT, LE, LX, Turbo, Turbo 4WS | 4 Cyl 2.2 L GAS

Mazda 626 Fuel Tank

The Mazda 626 Fuel Tank is the safe place where the car keeps gasoline and ensures the safety of the car occupants as well as the environment. The Fuel Tank, which is located under the rear floor, contains the liquid and also holds the electric pump and the level sender so that the engine receives a constant supply and the dashboard displays an accurate gauge reading. Internal baffles also ensure that fuel does not rush away at the pickup during sharp turns and prevent annoying sloshing noises. The Fuel Tank is also an enclosed element of the EVAP system that captures the vapor before unburned hydrocarbons can be released into the open air, a design consideration throughout all Mazda generations. During the course of production, there have been two construction styles. The previous and certain high trim Mazda models had a stamped steel tank made of welded sheet metal, which is strong but can corrode internally or externally over years of exposure to salt and moisture. Subsequent constructions applied blow molded units made of high density polyethylene, which reduced weight and absorbed small dents without damage but could fracture during intense heat cycles or massive impacts. No matter what it is made of, every Mazda tank is pressure tested in the factory and is accompanied by new seals and a locking ring to prevent leakage around the pump opening. Replacement should be matched with steel mounting straps since they wear at the same rate as the tank and make every 626 safe to be fueled and driven throughout the day.

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Mazda 626 Fuel Tank Parts and Q&A

Fuel Tank
GJ21-42-110G
Q: How to safely remove and reinstall a fuel tank on Mazda 626?
A:
Raise the rear of the vehicle and support it on jackstands, then remove the cable from the negative battery terminal. Drain all fuel from the tank into a clean container, mark and disconnect the fuel lines and the filler pipe at the fuel tank. While the tank is supported by an assistant or a floor jack, remove the five retaining bolts, carefully lower the tank, unplug the gauge unit connector, and remove the tank from the vehicle. All repair work should be performed by a professional. Before reinstalling the tank, ensure that all traces of dirt and corrosion are cleaned from it, and apply a coat of rust preventative paint; if the tank is rusted internally, it should be replaced with a new one. Installation follows the reverse of the removal procedure.