Question about 2005 Chevrolet Tahoe 4WD

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Noise in front of vehicle

Have a noise that comes after a stop. when vehicle takes off a short noise that sounds like a pump running then quits after a few seconds

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Check if you have a viscous fan hub. If you have it will be that the hub has started working while you were stationary to raise up the fan speed to assist in cooling and when you rev up to take off the increase rpm increases the fan noise and when the air is passing through the radiator the hub cuts out and the fan noise goes.

Posted on Nov 23, 2013

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Posted on Jan 02, 2017

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I have a 1994 Chevrolet Silverado and and when I put it in 4 wheel drive it makes a sounds like something is dragging


It could be the transfer case that engages the front drive, the drive shaft universal joints to the front, the front differential, or the self-locking hubs. The hard part is to figure out where the sound is coming from because it only will make the noise when driving.
It would be really unsafe to jack up the whole vehicle to run it without wheels on the ground. Probably best to take it into a repair place that will give you a quote, they may accurately tell you what's wrong. you don't have to have it fixed there.

If you are trying to run it on dry pavement, then something will be dragging although it's unlikely you'll hear it. Virtually all part time 4 wheel drive systems (not to be confused with all wheel drive or full time 4 wheel drive) make the front wheels turn just a bit faster than the rear. You will also notice that the vehicle jerks going around short corners like at a stop sign. In both cases the wheels are fighting each other trying to go at different speeds.

Oct 09, 2016 | Chevrolet Cars & Trucks

2 Answers

96 tahoe . It will not crank up unless I pour gas into the throttle body . Once it cranks it will run untill I shut it off but want crank by itself . Why


First, lets be clear with terms. To crank is to turn the engine over, you can do this manually with a wrench on many vehicles. It requires no spark or air. To turn over or to fire is when you achieve combustion. Example: You could pull the spark plugs on a vehicle and turn the key and it would crank, but it wouldn't fire or turn over.

Now it sounds to me like your vehicle is cranking but not firing unless you pour gas in it. My first thoughts are fuel system. I'm assuming it can't be fuel pump because it runs once it fires. Perhaps the fuel pump isn't priming itself, or perhaps somehow air is getting in the line between the injector and fuel pump? Test the fuel pump first by turning the car from off to on (not starting, just on). You will usually hear a short buzzing noise coming from the engine bay that stops shortly afterwards, that's your fuel pump pressurizing the line. (Pro Tip: If you ever try to take your key from off to straight to start and the vehicle doesn't start on the first try, but does the second time no problem, try delaying at on for a moment before trying to start. This gives your fuel pump time to pressurize the line.) Assuming your fuel pump is charging the line, the next place to look would be at the path the fuel takes to the throttle body. When you crank it over and it doesn't start, are you getting any fuel? If you can't see where the fuel enters the system try smelling the exhaust while cranking without it firing, if it smells of fuel you're good and need to look at air flow and spark, if not it's a fuel issue.

Past that, I'll leave it to someone more experienced than myself, but that would be how I troubleshot my own vehicle.

Oct 17, 2013 | Cars & Trucks

1 Answer

Rattling noise when accelerating


I would need to know what vehicle this is? 4 Cylinder. V6? 3.0? There are a few things it could be,

If the Engine is Moving, it could be hitting something so I would check the Motor Mounts (Happens quite Frequently on Taurus)

Check the Tension of your Serpentine Belt

Apr 05, 2013 | Ford Fusion Cars & Trucks

2 Answers

2006 ford explorer has a noise that you would swear it was a L/F wheel brg changed it and noise still the same took the old L/F brg and put it on the R/F still same noise??? any thoughts???


When checking to make sure noise is wheel bearings while driving vehicle at speed the noise is loudest (if possible) turn steering wheel back and forth enough to shift the weight of the vehicle from side to side and if it's a wheel bearing there should be quite a bit of difference in the noise.

If about the same noise check the wear pattern on the tires for flat spots or unusual wear pattern if there is rotate tires. If nothing still found jack up vehicle with all 4 tires of the ground. Use jack stands for this. Get some one in vehicle to run it at speed the noise develops, I use a long screw driver (2 feet long) as a stethoscope to find where noises come from. Try with and without 4 wheel drive if possible. Good luck cause noises can be a real pain in the b____.

Jan 05, 2011 | 2006 Ford Explorer

1 Answer

2001 chev impala ls makes whirring type noise when going down the street. Sounds like its coming from the drive or tranny. Stops when I veer right.


This sounds like the hub bearing.If it stops when you turn right then it is the right side front.When you veer right this takes the weight off the right side and the noise goes away.If the noise comes back and stays there when you veer left then the weight of the vehicle is on the right side.Hope this helps.Good luck.

Mar 17, 2010 | 2001 Chevrolet Impala

1 Answer

2002 Ford Explorer 4wd the vehicle makes a


It sounds to me like the explorer has a bad hub bearing up front.I would have this checked out especially if one has become loose.The hub bearing take the place of what use to be wheel bearings:)

Aug 30, 2009 | 2002 Ford Explorer

1 Answer

A popping sound in left front of vehicle


if noise is heard when taking off from stop turning wheel sharp right or left replace axle.What ever side noise is coming from.

Nov 22, 2008 | 1996 Mazda 626

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