QuestionQUESTION: fuel pump makes a high pitch sound is this an indication it is going bad and if so what are the steps in replacjng same.Thankyou for your help
ANSWER: ahh I cant tell u if its going bad unless I hear it myself and as for changing it I cant give u any info unless I know what kinda car u have.
---------- FOLLOW-UP ----------
QUESTION: The vehicle is a dodge durango 1999
AnswerFUEL PUMP MODULE
REMOVAL
WARNING: THE FUEL SYSTEM IS UNDER A CONSTANT PRESSURE (EVEN WITH ENGINE OFF) BEFORE SERVICING FUEL PUMP MODULE, FUEL SYSTEM PRESSURE MUST BE RELEASED.
The fuel pump module is located in top of fuel tank.
Drain fuel tank and remove tank. Refer to Fuel Tank Removal/Installation in this group.
Thoroughly wash and clean area around pump module to prevent contaminants from entering tank.
Part of Fuel Tank Removal Procedure: Disconnect EVAP line at pump module Fuel Pump Module and Lockring ; disconnect wiring harness connector at pump module; disconnect fuel line from fuel filter fitting.
Rotate fuel filter until its fitting is pointed towards center of pump module.
A metal lockring is used to secure fuel pump module to fuel tank Fuel Pump Module and Lockring Six metal fingers Fuel Pump Module and Lockring are molded into the plastic fuel tank. The fingers are used to retain lockring to fuel tank. A rubber gasket is used as a seal between module and fuel tank.
Before removing lockring, apply a small amount of engine oil to 6 fingers where fingers meet lockring (to act as a lubricant)
Remove (rotate) lockring counterclockwise using a brass or bronze drift punch and a hammer. This must be done while slightly prying back on lock tab Fuel Pump Module and Lockring
Remove lockring and pump module from fuel tank.
INSTALLATION
CAUTION: Whenever fuel pump module is serviced, the module gasket must be replaced.
Using a new gasket, position fuel pump module into opening in fuel tank. Be sure rubber gasket remains in place. Rotate pump module assembly until module is positioned as shown in Fuel Pump Module and Lockring This step must be followed to prevent float/float rod from contacting sides of fuel tank.
Before installing lockring, apply a small amount of engine oil to 6 fingers where fingers meet lockring (to act as a lubricant)
Position lockring over top of fuel pump module. Tighten finger tight.
Install (rotate) lockring clockwise using a brass or bronze drift punch and a hammer. Continue rotating lockring until 6 fingers Fuel Pump Module and Lockring drop into 6 finger locks and lock tab Fuel Pump Module and Lockring falls into lockring notch.
Install fuel tank. Refer to Fuel Tank Installation in this section
