Question about 2001 GMC Sierra Crew Cab

1 Answer

Noisy fuel pump

I recently replaced my fuel pump on my 2001 GMC Seirra 5.3 with a GMC replacement pump. Lately the pump seems to be "whining" rather loudly. My check engine light has been coming on and then going back off semi regular. The truck runs and idles fine until it's been driven for an extended period of time (an hour or more). After it's been driven and hot the pump seems to want to quit. The truck will stall and is very hard to get started again. It starts easily and runs good if the truck is cold, but once it's been driven for more than an hour or so it seems to act up again. Fuel filter was changed at the same time as pump, both have no more than 1000 miles on them. Any ideas???

Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    MVP:

    An expert that gotĀ 5 achievements.

    Governor:

    An expert whose answer gotĀ voted for 20 times.

    Scholar:

    An expert who has written 20 answers of more than 400 characters.

  • Expert
  • 164 Answers

Sounds like they need replace the pump again becuse if was good pump it would not do this.
This way amercain cars are not selling good all the jeeps have this dam problem to.
They put bad pump tell them do the job correct dig the paper work out man. Look up for better after market pump and make them do the labor becuse this one is trashed allready. Also leting your tank go below half tank shorts out all pumps faster and after market cleaners mess up the pumps and the gas liner inside i read isent that great

Posted on Jul 27, 2009

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Heater switch does not work in all setting's 1 to 5 on a 1996 gmc seirra truck


Problem need a heater/ac fan motor, which is around $25. If you still have problems then you need to replace the relay switch.

Mar 23, 2013 | 2006 GMC Sierra

1 Answer

On my 2001 GMC jimmy sls,when the fuel guage gets near half full it drops to empty and lately when really full it reads empty until a few gallons are gone. What is the problem and how do I fix it?


you probably have a bad fuel level sensor in the fuel tank.you will have to remove the fuel tank to replace the sensor.the contacts on the sensor will break causing the fuel gauge to be inacurate.you can buy the sensor without having to buy the whole fuel pump assembly.

May 31, 2011 | 2001 GMC Jimmy

1 Answer

Truck won't start but sounds like it wants to


1. Take the air cleaner off and spray starting fluid in the intake for about two seconds.
2. Attempt to start the vehicle. If it runs on the starting fluid, you have a gas problem, if it doesn't, its spark.
3. Once you have determined which it is, you can repost for more specific information.
4. If its a gas problem, make sure it has good gas (fuel gage may have quit). When you go on the key, you should be able to hear the whining of the fuel pump cycle on, then stop. Have a helper go on the key, while you listen for the whine of the pump underneath. You should be able to locate the fuel pump and hear it if it is working. If the fuel pump is working, try changing the fuel filter.
5. If you have a spark problem, a likely culprit is the distributer, and rotor. These are fairly easy to replace. Its time for new spark plugs, wires, distributer rotor and cap if this wasn't done recently.

Nov 02, 2010 | 1994 GMC Sonoma

1 Answer

When idleling and accelerating my truck makes knocking noises a friend sugested it could be my lifters what do you think. My truck is a 1983 GMC Seirra 1500 just recently replaced radiator had a oil change...


The list your book gives you are all things that will cause a knocking noise. Only way to fix is to open her up. If you were having overheating issues before this happened then it could have damaged any of those except pump.

Sep 02, 2010 | GMC Sierra 1500 Cars & Trucks

1 Answer

I have a 99 gmc seirra , we have replaced the starter, crank sensor, new battery, clean oil, and filter. The truck will turn over but will not fire. There seems to be no spark, there is gas at the fuel...


You need to hook a fuel pressure gauge to it. It has to have 55 psi or it won't run. Have you checked for spark at one of the plug wires. I'm guessing low fuel pressure, fuel pump.

Jul 21, 2010 | 1999 GMC Sierra

2 Answers

How do u replace a fuel pump in a 98 gmc seirra 2500


You have to take the tank down . The fuel pump is inside the gas tank.

Mar 30, 2010 | 2001 GMC Sierra 2500HD

1 Answer

2001 GMC Serri 4.3 feels like it is runn out of


Try stp aditive every time you feel your tank seem you need a fuel ingector service good luck

Sep 07, 2009 | 2001 GMC Sierra 1500HD

1 Answer

1985 volvo 740 gle no turbo-main fuel pump humming


if it works leave well alone till it starts getting noisy,its a 1985 ,over 20yrs old so it wont last much longer till it fails the annual vehicle technical inspection,then when you need a part for the suspension or steering its obsolete.

Feb 13, 2009 | 1985 Volvo 740

1 Answer

A constant whizzing


that whining noise is definately your power steering pump. the earlier models eg 2001-2003 just have noisy ones. so they say, if that noise become really excessive; its an early warning that its gonna fail. the newer pumps are much quiter, but i was quoted approx 1200+ CND for a new pump. I have a 2003 cooper, and the whining noise is loud. only once has the steering been really stiff, but i resolve that problem by restarting the vehicle. watch out tho, the power sttering could fail on you while your driving around a corner, and if you dont have both hands on the wheel, you'll go strait.

Sep 10, 2008 | 2003 Mini Cooper

Not finding what you are looking for?
2001 GMC Sierra Crew Cab Logo

228 people viewed this question

Ask a Question

Usually answered in minutes!

Top GMC Experts

yadayada
yadayada

Level 3 Expert

74945 Answers

Freddy

Level 3 Expert

1311 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22095 Answers

Are you a GMC Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...