Fuel System Description; Fuel System Overview; Fuel Tank; Fuel Fill Pipe - Suzuki XL7 2007 Service Manual

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1G-2 Fuel System:

Fuel System Description

This vehicle utilizes a returnless design Fuel System.

The fuel pressure regulator is a part of the primary fuel

tank module, eliminating the need for a return pipe from

the engine. A returnless Fuel System reduces the

internal temperature of the fuel tank by not returning hot

fuel from the engine to the fuel tank. Reducing the

internal temperature of the fuel tank results in lower

evaporative emissions.

The fuel tank stores the fuel supply. The fuel tank is

located in the rear of the vehicle. The fuel tank is held in

place by 2 metal straps that attach to the under body of

the vehicle. The fuel tank is molded from high-density

polyethylene.

In order to provide space for a driveshaft though the

center area of the tank, the fuel tank is a saddle

configuration. Because of the saddle shape of the tank,

two fuel tank modules are required. The primary fuel

tank module is located on the right side of the tank. The

secondary fuel tank module is located on the left side of

General Description

In order to prevent refueling with leaded fuel, the fuel

filler pipe has a built-in restrictor and a deflector. The

opening in the restrictor will accept only the smaller

unleaded gasoline fuel nozzle which must be fully

inserted in order to bypass the deflector. The tank is

vented during filling by an external vent tube that runs

along side of the filler pipe.

Fuel Filler Cap

1. Fuel Tank Filler Cap

2. Fuel Tank Filler Pipe

3. Fuel Filler Door