Cub Cadet Challenger 500, Service Manual

Page: 231 / 244

Engine Management System
7 ‐ 10
Fuel Module Removal

Relieve fuel pressure by disconnecting the power to the pump, pull the spark
plug boot off of the plug and place it away from the plug. Crank the engine to
release the fuel pressure in the lines.

Disconnect the battery negative cable.

Disconnect the fuel module wire coupler.

Disconnect the fuel hoses from the fuel module by using standard tools.

Twist off the screw ring and remove the fuel module from the fuel cell.

This is non-serviceable and needs to be replaced as a unit.
Installation

Reverse the removal process.

Fill with at least 3 liters of fuel.

Install the fuel filler cap.

Turn on the ignition key to prime the pump and fuel lines.
Fuel Leakage Check Procedure
After performing any service on the fuel system, check to make sure that there are no
fuel leaks.

Put about 3 - 5 liters of fuel in the tank.

Turn the ignition key to the ON position for 3 seconds (to operate the fuel
pump) and then turn to the OFF position. Repeat this 3 - 4 times to apply fuel
pressure in the fuel lines.

In this state, check to see that there are no fuel leaks from any part of the fuel
system (fuel tank, hoses, hose joints, etc.)
Use care when handling the fuel module, it has electrical components and improper
care could cause a malfunction of the unit.