Question about 2007 Chevrolet Tahoe

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Water pump pulley making a noise? Car running fine? What could be the problem?

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Hi. It could be the pulley itself or the internal mechanism of the water pump. Begin by lubricating the pulley to see if that quiets it down. IF so change it. Joe

4 thumbs up please. ty.

Posted on Nov 03, 2010

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Posted on Jan 02, 2017

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4 Answers

I'm needing some help. Three months ago my car started making a high-pitch whining noise when accelerating from low speeds then it stops after so many RPM's.


Does it make the same sounds when you start the car? If so, could be a water pump. If you replace the pump, replace the timing chain/belt at the same time.

Also, you might take a lube stick to the belt. One or more could be squealing.

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What is causing rattling grinding noise at idle especially in my 89 4.5 DeVille?


The technique I always used to identify where such a noise was coming from was to use a very long screwdriver (2 feet long), while the engine is running. CAREFULLY touch the screwdriver end to each pulley or other object under the hood, and put your ear to the handle. The device making the noise will become very clear.

It could be AC pump/clutch, alternator, water pump, power steering pump, etc.

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My 2003 BMW 745Li runs hot in the city but on the hwy no problem makes high pitch noise I think its the Fan coming on and it shifts rough what could be the problem Thermostat maybe


May possibly be water pump also, squeeking comes from belts, if the pump is out the pulley may have locked up. Turn car on, and lift hood. Find serpentine belt and follow to water pump. You should be able to see if pulley is seized, belt will spin, but pulley will not. Also let car run for about 10 minutes, and check pressure in upper, and lower hoses to radiator, that will also let you know if your getting proper pressure.

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You should be ok running it until the replacement arrives. If the radiator gets hot that indicates that he water pump is still circulating coolant. If you are really worried/curious put a socket on the belt tensioner pulley and remove the belt. Turn the pump pulley by hand. There should be very little resistance. Check for play in the bearing and any roughness or odd noises, although this is not always apparent without the tension of the drive belt on it. Reinstall the drive belt and wait until the dealership can replace the pump seal.

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1 Answer

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I always try to help on the first reading of a problem, but we need to know if the car is moving or Parked or in gear. Make, Model, Year of car.

If moving, it could be brakes dragging, transmission problems, bearings. If Parked, power steering pump, water pump, Alternator, A/C compressor pulley or unit. Some apply to moving car too!

Sometimes idler pulleys on the belt, dirty belts wiil make spinning noise, but not grind.

Nov 12, 2012 | Cars & Trucks

1 Answer

Some time when i start my car the engine will make a humming sound. and some time when i am driving the engine will make the same noise.


Turn off the airconditioning to see if that helps. If it does, then it is likely the airconditioning compressor.

Remove the water pump drive belt. Feel the water pump for free play. If excessive, then replace the pump. You can try spinning it too to see if it's noisy.

WIth the drive belts off, start the car for a few seconds. Twenty seconds tops should do it. Not too long as it will overheat.
Is the noise still present. If not, then check all pump bearings, pulley bearings, tensioner bearings, water pump etc as the noise is one of those things.

Nov 12, 2012 | 1995 Lincoln Town Car

1 Answer

My 89 toyota corolla started making a strange rattling noise about a week ago but continued to run without problems. The noise started intermittently but became louder and more consistent. A neighborhood...


sounds like you need to replace the power steering pump,of not overheating or loosing coolant,would check water pump,if no power steering sonds like the pump is bad,mechanic depepnding on their ability could change for you,up to you if you want to pay a shop to replace pump.

Sep 02, 2011 | 1989 Toyota Corolla 2 Door

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HOW DO I NO IF MY WATER PUMP IS GOING OUT


if the car is over heating and if it is leaking from the water pump

Nov 07, 2010 | 1991 Cadillac Eldorado

2 Answers

My car is making a whisling sound when started.


hi ,,two things 1- water pump. but most likely check your pulleys they will make that high pitch noise one of them fixing to go bad and what will happen the belt will jam and jump lose and will lose all power ,,cause you have one belt for alt and the water pump mostly its the pulley right under the alt ,,hope this will help ....Joe

Aug 04, 2009 | 1996 BMW 318

1 Answer

1992 bonneville transmisson won't engage


not likely possibly the cover for torque converter may be loose. if rattling coming from pass. side may be belt tensioner/or water pump. to check shut engine off remove serp. belt check water pump pulley for play by wiggling back an forth do same with belt tensioner. check trans fluid level while on level surface engine warm&running tranny in park. some gm cars have had problems with crank shaft pulleys making rattling noise also.

Oct 03, 2008 | 1992 Pontiac Bonneville

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