How do you replace a fuel pump in a 1991 Chevy Cavalier?

Answer 1

The fuel pump is located in the fuel tank as with virtually all cars nowadays. There is a certain degree of danger working on or around a fuel tank. But, if you want to do this yourself, You will need to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library.

or you can go to www.auotzone.com and go to repair manuals and it will show you exacly what to do and you can print it if you need to

Answer 2

This is an unbelieveably difficult and dangrous task. The manual indicates you have to relieve the fuel pressure, take off the exhaust system completely, both rear tires, both rear calipers, both rear springs, drop the rear suspension supports, and finally remover the tank straps. The manual does not say you should unhook the battery first, but you should. I am a very strong back yard warror, and have built many Jeeps from the ground up with Northstars, done many frame up restorations on various cars, and trucks, and have vast experince in regards to Oldsmobile Auroras. I have most any tool you could ever dream of needing, and a very well equiped garage, but would be very reluctant to consider tackling this task and discourage others from attempting. Removal of the rear springs is a very dangerous task if not properly done, not to mention the risk of explosion resulting from improper handling of the tank and or failure to relieve the fuel presure correctly. WHY Olds didn't leave a simple access door in the trunk, like BMW does under the rear seat, is beyond me.

The GM 1995 Aurora repair manual, says to use the access hole under the carpet in the back right corner of the trunk. Just changed my 1995 that way. You are best to buy a new fuel sender locking nut or ring at the dealer for about $8. The fuel tank does not have any drainage slots formed into it, so the locking ring rusted beyond any hope of re-using it. To remove the old ring, I had to pry it apart with channel locks, because it was so rusted that it would not rotate.

Forgot to add this - to relieve the fuel pressure, just use the press the center of valve on the fuel rail (for pressure testing) and a rag to catch the dribble. Really no big deal.

The guy on the top I feel for you! This car is a big mystery. Yes, there is access door in the trunk. It is located under the carpeting to the extreme right. Easy job, but vaccum out the crap before releasing the locking device. Try not to fill up on gas if you can help it!

Answer 3

Who ever told you it is bad should have told you what was involved in the replacement process after you fainted. Pretty sure the pump is in the gas tank so it has to come down unless there is a plate to access it from the back seat or trunk. go to your local library for a repair maunal.

Answer 4

the most time efficient way i have found would be to remove the bed completley to allow adequate access to the fuel tank. unplug all harness' and fuel lines then remove steel retainer ring with flat screwdriver and lift out fuel pump being careful not to break off the float or filter allowing them drop into the tank. to replace just reverse procedure making sure to be very careful as your dropping the new pump into tank.

Answer 5

the fuel pump is in the fuel tank. to change it, the tank will need to be taken out. good-day ! the best thing to do is. go to any auto parts store and buy a haynes manual for your car. they are based on a complete tear down of vehicle. it has pictures and diagrams for most repairs. they only run about 25.00, for the details are to long to mention. good-day !

Answer 6

* Relieve the fuel system pressure * Disconnect the negative battery cable if car is equipped with Delco-Loc 2 or Theftlock audio system make sure you got the activation code first * Remove the fuel tank Disconnect the fuel pump/sending unit harness connector and the fuel tank pressure sensor from the fuel tank * The fuel pump/sending unit assembly is located inside the fuel tank.Using a pair of snap-ring pliers contract the retaining collar and remove the top of the fuel pump assembly * Lift the fuel pump/sending unit assembly from the fuel tank * Inspect the condition of the O-ring around the opening of the tank if its dried,cracked or deteriorated replace it * Remove the strainer from the lower end of the fuel pump.If its dirty,clean it with a suitable solvent and blow it out with compressed air.if too dirty replace it * Remove the fuel pressure sensor mounting bolts and separate the sensor from the top of the fuel pump assembly * If it is necessary to separate the fuel pump and sending unit,disconnect the electrical connectors at the pump,noting their postions * Disconnect the fuel line from the pump

Answer 7

It's inside the tank, and, You may want to go to a car parts store, or book store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library.

Answer 8

The fuel pump is inside the gas tank Take it to a qualified mechanic Itll take about 2 hours to replace on a lift 5-6 hours or your back

Answer 9

On modern fuel injected vehicles the fuel tank more than likely needs to be removed to replace the fuel pump. On older cars with a carburetor the fuel pump is mounted on the engine block.