Question about Maytag 24 in. MDB4000 Built-in Dishwasher

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Low pumping pressure not enough to turn upper bar-rubbing noise when washing-pumps out ok

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  • patrikfishin Oct 14, 2010

    have checked pump for obstruction-none-very low pressure on lower arm-no water on upper arm

  • patrikfishin Oct 15, 2010

    problem was cracked hub on impellor-allowing shaft to spin without totally engaging impellor

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  • Master
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Check the arm, the hose and check the pump for any obstruction or leaks

Posted on Oct 14, 2010

  • Nate Stansfield
    Nate Stansfield Oct 14, 2010

    It very well could be that the water inlet valves are not fully opening or it is also possible that the water pressure from the house is low.

  • Nate Stansfield
    Nate Stansfield Oct 15, 2010

    oh ok, good you found it already. Pump and valves are usually the culprits in no or low pressure.

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2 Answers

Palio 1.2. Why is there no oil pressure?


Very low or no oil pressure reading does not necessarily mean the oil pump is not working and if you replaced the oil pump because of low oil pressure does not mean the original pump had necessarily failed. It may have but it may not have. Oil pressure is not created by the oil pump but by the resistance to oil flow. If you have very low resistance to flow you will get very low oil pressure no matter how well the oil pump is pumping. If you have a very worn engine, especially the bottom end main bearings and conrod bearings, tolerances increase very significantly, there is little resistance to flow and you will achieve very low oil pressure and metal parts will touch. Oil flow to the upper part of the engine may also suffer. If your engine is gummed up with oil sludge due to too few oil changes some oil passages may be blocked as well.

Sep 21, 2015 | Fiat Cars & Trucks

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Pump or bearing problem?


If this is a top load maytag, the pump bearing sleeve will rub the pump pulley and make a grinding noise. Replace the pump.

Sep 26, 2013 | Maytag Washing Machines

2 Answers

Ticking sound with accelerating and coolant running out everyday... any solution?? thanks.


Hi there:


A clicking or tapping noise that gets louder when you rev the engine is probably "tappet" or upper valvetrain noise caused by one of several things: low oil pressure, excessive valve lash, or worn or damaged parts.

First, check the engine dipstick to see if the oil level is low. If low, add oil to bring it back up to the full mark. Is the engine still noisy? Check your oil pressure. A low gauge reading (or oil warning light) would indicate a serious internal engine problem that is preventing normal oil pressure from reaching the upper valvetrain components. The cause might be a worn or damaged oil pump, a clogged oil pump pickup screen or a plugged up oil filter. Using too thick a viscosity of motor oil during cold weather can also slow down the flow of oil to the upper valvetrain, causing noise and wear.






Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Jun 04, 2012 | Hyundai Cars & Trucks

1 Answer

I have a 94 ford mustang. I hear a bad "rubbing noise" in the front end and also a whine from the power steering pump. The steering seems to be ok, but people are telling me i need a new power steering...


It sounds like you need to replace it or you can get your power steering pump flushed out and give that a try. As for the rubbing noise I need more info. What are you doing to make it do that noise? Do you know where in the front?

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I have a 1995 Chevy Lumina with the ''Low Oil'' light on.


may be the oil sending unit is bad
may be the oil pump
is there any noise in the engine?
have the oil pressure check at a repair shop to make sure you have enough oil pressure
if it's ok then have the shop replace the switch while they have the old one out to check the pressure

Mar 09, 2010 | 1995 Chevrolet Lumina

1 Answer

Washer has started making a heck of racket during the drain/spin cycle. It's not consistant. Two loads may go thru ok no noise. A third load and it will make a very loud grinding chain like noise.


Grinding noises are most often the result of a failing water pump. The noise can increase during the spin\drain cycle due to the added load on the pump. Although less likely it could also be the drive belt rubbing on something or a pulley bearing failing. If you are able to locate and remove the drive belt, you should be able to turn the water pump pulley by hand. If the pump does not turn smoothly it is bad.

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2 Answers

Oil light comes on at very low rpm


It IS NOT Advisable to Drive this Vehicle Untill This Problem is AT LEIST DIAGNOSED, You Need A MANUAL OIL Pressure TEST, to Determine If OIL PRUSSURE is SAFE @ >>Oil Pressure at idle speed with engine at operating temp.min. bar 0.5 Regulated Pressure bar 4.3
If it Is ok First On List Is Oil Pressure Sensor But if it's Low> Replace
Oil PUMP
Obviously Inspect Wires To Sensor / Sensors Before High Dollar Parts Are Resorted to.

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1 Answer

Loud ticking noise


Ticking is generally associated with a valvetrain problem but may be caused by low oil level or pressure. Noise is in the upper half of the engine. Knocking is from low oil pressure and is caused by worn bearings causing pressure loss. Knocking is the worse of both conditions (means overhaul or engine replacement.) Ticking needs to be checked for it's cause...if cause is low oil pressure, remember...oil pumps don't cause low oil pressure, pressure will lost if bearings are worn or pump inlet screen is plugged with carbon.

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2 Answers

Noise engine


replace oil filter bypass (the boss that the oil filter screws to)... other than that ..oil pump failing...main bearings out of spec not allowing oil to stay under pressure and reach the upper valve train...good luck

Dec 12, 2008 | 2004 Chevrolet TrailBlazer

1 Answer

Upper arm not working


I had similar problem. the problem was due to having not enough water pressure in the line to the upper srapy arm. Did the following:

1. removed debris from sump assembly;
2. removed wash motor and clean clogged separation screen; and
3. sealed with Teflon tape manifold and probe manifold of the upper sray arm.

If you google for 'whirlpool 8178022' you should be able to get KD-12 repair manual.

Goof luck.

Amjad

Dec 09, 2008 | Dishwashers

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