Question about 2003 Chevrolet Tahoe

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Scraping sound coming from right rear. could this be caused by faulty fuel pump

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A scraping sound is more likely to be worn brake pads. The sound is an indication that very soon, there will be metal shoe to disc / drum contact. When this happens, the cost of the brake work can increase substantially. The parking brake makes use of the rear brake disk / drum and can also be the source for this noise.

Have the brakes inspected at once to lower the cost of the work if warranted. The stopping distance will increase slightly if the rear brakes have work out (the vast majority of braking needed to stop a vehicle is performed by the front brakes). The parking brake my not "hold" the vehicle if worn out.

It is also possible that while inspectimng the brakes that the service provider may be able to tell you the problem (if not brakes) during a road test or inspection.

I hope this helps & good luck!

Posted on Nov 08, 2012


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Posted on Jan 02, 2017

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SOURCE: 2007 Tahoe 3rd row right seat will not fold

I solved the problem by spraying WD40 into the front side of the seat support that was sticking. This support has a rubber closure to protect the mechanics of the seat. After spraying a generous amount of WD40, I waited about 5 minutes and tried the lever to fold the seat. It worked and still does.

Posted on Jan 11, 2010

  • 541 Answers

SOURCE: 2002 Tahoe fuel tank makes a "pong" sound

yes you have a ventaltion system on this tank. a purge canistor. it may not be purging your tank. how old is the gas cap?

Posted on Jan 25, 2010

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SOURCE: 03 tahoe engine stalls out while driving down

dying fuel pump, causing insufficient fuel to reach injectors, when you try to accelerate.

Posted on Sep 08, 2010

  • 432 Answers

SOURCE: I have a grinding/scraping noise when driving

Good Evening, those noises can be annoying and sometimes hard to find. However it sounds like you have a front hub assembly going bad. Usually the noise goes away when you veer one direction or the other. I have heard some transfer case noises but they usually do not go away on turns. Check those front hub-wheel bearing assemblies and see what you come up with. Hope this points you in the right direction.

Posted on Oct 08, 2010

  • 28 Answers

SOURCE: radio harness diagram for 95 chevy tahoe....rear

check wiring on passengers side near the rear hatch speaker, the rear door speakers are run through them also. i had the same problem and it was a unplugged connector at that location

Posted on Dec 12, 2010

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Observe if the engine will lack of power first before to shut off, if this is the scenario it could be a fuel pump relay or pump. I suggest you to monitor the fuel pressure first or try to swap fuel pump relay to other as long as same color or figure and observe it.

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It sounds like you have possibly two problems for your concern. One... the crank and cam sensor could cause this. Two... a faulty fuel pump could cause this.

Nissan experienced a huge problem from the supplier of the crank and cam sensors. The supplier has upgraded the sensors from plastic to metal for improvement. Using a scan tool you can monitor the crank sensor RPM and the cam sensor RPM. If they are zero when spinning the engine over then you will need to replace them.

Check the fuel pressure and if it is not ok then make sure the proper power is sent to the fuel pump. The fuel pump is located through an access hole under the rear seat. Remove the cover and disconnect the connector check the terminal for power. It will be the one to the right of the 5 pin gray connector black with yellow tracer wire. You should have battery voltage with the key on. The voltage will only be triggered for 1 to 2 seconds. If that is ok the fuel pump is faulty... replace it.

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