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I have a 2002 ML 320. There is noise coming from the drivers side front engine compartment when car is off. Sounds like a pump running but it never shuts off. Any idea what this is?

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  • Cars & Trucks Master
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It is possibly the cooling fans and they do sut off whe engine gets cool enough or your battery would go dead over night . come back when you have a real problem

Posted on Apr 11, 2015

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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bunnydawg
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SOURCE: Humming/droning noise, front driver side.

guess i should make this so you can rate the solution ... thanks

Posted on Feb 01, 2009

  • 75 Answers

SOURCE: grinding noise while driving.

Possible causes:

a) a brake disc shield is too close to the disc, and it's coming into contact in the circumstances you outline

b) pebbles stuck between the disc shield and the disk

c) dried out wheel bearings

d) worn Universal Joints in the drive shafts

e) worn A/C pump

f) worn alternator

g) worn water pump

Is the noise still present above 15 miles an hour and past 1500 rpm when the clutch is disengaged (i.e. gearbox in neutral?). The answer to this question may help you to pinpoint the source. I know it's stating the obvious but the fact that you're hearing a grinding sound means it's caused by something that is moving relative to something else. Again this should help narrow down the cause.

Posted on Jun 01, 2009

ghost4548
  • 776 Answers

SOURCE: I have a high pitched noise which appears to be

Could be several things. WHICH ENGINE?.. 4 cylinder (has three belts, power steering/water pump, alternator & A/C compressor, one tensioner pully A/C compressor), The V6 2.7 (has only one belt, 1 Idler pully and 1 tensioner pully), the V6 3.5 has two belts - A/C/alternator, and power steering - there are two tensioner pullys). Noises can be caused by the belt(s) themselves, pullys, bearings, pully bearings, water pump shaft bearings (or belts/pullys rubbing up against something). Let's not forget that there is also belt(s) behind the Timing Belt cover as well as pullys and bearings associated with the timing system. You could start by removing one accy drive belt at a time (alternator, water pump, compressor, power steering, etc) to see whether or not the noise goes away in each case. If after each case, you discover the noise is still there, it's probably behind the timing belt cover (idler/tensioner pully, water pump shaft bearing, crankshaft bearing, etc.). Good Luck

Posted on Jun 30, 2009

  • 1986 Answers

SOURCE: There is a device in my engine compartment I need

I believe that is your washer fluid pump and the hose runs to your wipers

Posted on Sep 15, 2009

  • 1 Answer

SOURCE: my 2002 ml 320 press cd button it says no cd player installed

my 2001 ml 320 when i press cd button it says no cd player installed massage. There is 6 cd changer in the back of the car ., Any suggestion for fix the cd player?
Please help.

Posted on Feb 23, 2010

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1 Answer

Loud thumping from under drivers side that started with a squeal.


16 costly car noises - Bankrate.com

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BankrateYou should not ignore certain thumping, banging, clicking and squealing sounds. These sounds often rear their heads or intensify whenever the driver takes ... Hissing or sizzling under the hood: Heard when the engine is first shut off, .... my rear right wheel makes a loud bang when switching from park to drive/reverse.

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Feb 03, 2016 | Cars & Trucks

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Noise coming from engine compartment on 2012 F-150 Ecoboost


This is a problem particular to the 2012 Ford F-150 with V-6 Ecoboost engine.
Right after starting the engine, stepping on the brake, putting it in drive or reverse, do you hear a grinding or buzzing noise coming from the engine compartment?
Near the driver's side front bumper?
If you open the hood, it sounds like it's coming from under the air filter?
It's the vacuum pump.
Seems there is not enough vacuum from the turbocharged engine to effectively operate the master cylinder booster, so they added a supplemental pump.
Later models come equipped with a mechanical pump.
Motorcraft Part # BRPV10
I have a video. Look and listen. You'll hear the noise shortly after the engine starts up.
http://www.houndmagnetics.com/my2012lariat/MVI_0111.avi
Price for replacement vacuum pump from Ford dealer is over $600.
Parts were available from RockAuto or Amazon for half price, but they have become scarce for some reason.
It's very easy to replace. The pump is directly behind the headlamp assembly.
Remove the headlamp assembly and the pump is easily accessible.
Power connector, vacuum hose, and a couple of bolts.

on Jul 14, 2014 | Cars & Trucks

1 Answer

My 1999 ml 320 steering wheel spins all they way around 360 degrees and it makes a straining noises when it turns. and it's very loose. help


Check your power steering fluid. Screeching will come from the fluid being too low and would affect the steering. It will also burn out the pump if you don't keep it full.

Oct 05, 2012 | 2001 Mercedes-Benz ML 320

1 Answer

Growing noise in front end of Volvo s60


sounds like a wheel brg, if the noise lessens when you turn to the left while driving more than likely it is coming from the right side, but a brg makes more of a roaring noise.

Jan 09, 2012 | 2002 Volvo S60

1 Answer

I have a 2000 Chrysler Cirrus and it has started making a lot of noise when turning the steering wheel. It sounds like the noise ispossible coming from the front around the suspension area on the drivers...


it sounds like the power steering pump is crying for more fluid. stop by your local auto parts store and get some power steering fluid. you will see the reservoir for the fluid in the engine compartment - it is located on the pump motor and has a twist off cap and a small hot/cold fill dipstick. if the engine is cold - fill to the cold line and then start the car and drive and this should solve your problem.
have a Happy New Year !!!

c...

Dec 31, 2010 | 2000 Chrysler Cirrus

1 Answer

2002 aurora -- noise comes from the drivers side during startup and then stops


If the noise is from in front of the L.F. tire then it sounds like this is from the Air Injection Blower. It runs when the engine is cols as part of the emissions system. The blower may be going bad and making more noise than before. You can see the blower easily by removing the plastic wheel well shield from the front wheel well after removing the tire.

Apr 30, 2010 | 2002 Oldsmobile Aurora

1 Answer

Hi recently purchased an ml 320 cdi , and it seems the engine makes a ticking noise like a valve tick , is it normal , or the normal fuel pump noise?


This noise is caused by the belt tensioner pulley - solution is to replace the assembly. If the noise is only present when the engine is cold, it could be the exhaust manifold.

Apr 11, 2010 | 2008 Mercedes-Benz Mercedes Benz Ml Class

1 Answer

Rear Window Sprayer not working.


Rear washer pump is located near bottom of washer reservoir, below the left front wheel house extension and between left inner and outer fenders. Have some operate the rear washer switch while you listen in this area to find out if the the pump is running. The hose from the pump routes up along side the reservoir filler neck, into the engine compartment. Just aft of the reservoir neck an in-line connector joins the hose to the engine compartment hose. The engine compartment hose travels the top left front fender wheel house to the dash panel, passing through a grommet into the passenger compartment. In the passenger compartment, another connector joins the engine compartment hose, and then up through the front driver pillar to the headliner, then above the headliner along the left roof to the rear of the vehicle. It comes out above the lift gate, in the hinge gap, and into the lift gate to the nozzle.

Not likely to be stopped up. First find out if the pump is running, and that there's fluid in the reservoir. Look for fluid running out somewhere near the reservoir. The pump isn't running, or the hose is disconnected around the tank. Look for leaks (when running the pump, and reservoir filled) at the lift gate hinge joint.

Jul 25, 2008 | 2000 Jeep Grand Cherokee

1 Answer

Buzz


This sounds normal. The engine cooling fan it set to contine to run after being shutoff. If you open the hood at some point and look at the layout, you will see the electric radiator fan in the front of the engine compartment, along with a note that says: caution fan may run w/o vehicle on.

Jun 12, 2008 | 2003 Volvo S60

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