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Water pump problem

Once switch on it makes a continuous buzzing sound, is it blocked or does it need priming, please help!

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NEED MORE INFO, YEAR, MAKE, MODEL OF VEHICLE?

Posted on Jul 21, 2013

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Posted on Jan 02, 2017

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1 Answer

Mi oil light not going out,I change the oil pump and oil light switch and no result


You do not give make or model, Makes it hard for us mechanics . First check the drive to the pump is ok be it chain or camshaft driven, make sure the pick up tube is not cracked and the filter is not blocked .a new pump should be primed. pack the pump with petroleum jelly or prime with engine oil via the oil switch cavity .

Sep 01, 2016 | Cars & Trucks

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When i turn the key the engine cranks over but does not start, if i continue to crank it for a minute or two then it will eventually start and drive just fine. any ideas?


This sounds like a fuel system priming issue. When you first turn the key to the ON position (not cranking yet), you should hear a three-to-five second buzzing noise. This is the fuel pump running to pressurize the fuel system for cranking. This is controlled by the PCM and is relay activated. Once the vehicle starts and oil pressure rises, then the fuel pump is activated by the PCM via a different relay. If you can't start at first, what is probably happening is that the prime is not occurring and you have to crank it until the PCM sees oil pressure and then fires off the fuel pump. It could be PCM wiring or a bad fuel pump prime relay.

Oct 02, 2015 | Cars & Trucks

1 Answer

Why would gould water pump red trouble light indicator come on when power switch turned back on after having been off for a few hours? Had to turn off power to pump earlier in day due to volatile elec


check and prime the pump as the light may indicate no water and so the pump will not run
foot valves leak back the water so it may need priming again

Jul 21, 2017 | Cars & Trucks

1 Answer

Water pumps turns on but o No water comes out of


Sounds like the pump needs priming. There must be a plug on top of pump. Remove this and fill the pump with water to top. Replace cap an turn on. If keeps loosing prime, you either have a fauly nrv, non return valve not opening or you dont have one at all. Essential bit of kit.

Aug 16, 2013 | Cars & Trucks

1 Answer

Is it normal for the fuel pump to run when engine is running, It makes a buzzing sound


if the pump runs continuously after the ignition has been turned off, then the pump is malfunctioning. Some after market pumps do make odd sounds, unlike the factory original.

Dec 22, 2012 | 1998 Dodge Avenger

1 Answer

1997 blazer . Have to prime to start changed fuel regulator and oil pressure switch ( fuel pump relay in oil pressure switch) same problem


Sounds like your pump not working. Can you hear it buzz on for couple of seconds when key is turned to on?
A fuel pressure test will verify if pump is working up to par.

Oct 31, 2011 | 1997 Chevrolet Blazer

1 Answer

How do i prime the oil pump in a 99 e250 5.4L


Oil pump is self priming. You do not need to prime it. If not showing oil pressure, the sensor is probably defective. Make sure oil level is not low. If the vehicles water temperature gauge shows normal when running then oil pump is working fine. If it goes to the overheat mark then you may have defective oil pump, which is rare. Most temperature gauges go past the middle when you first start up but then drop back to normal once the engine thermostat opens up. Hope this helps.

Nov 23, 2010 | 2004 Ford E250

1 Answer

Air pocket must be in the block and preventing thermostat from opening. how do i bleed that out


remove top hose from rad pour antifreze in hose towards block to prime water pump once pump primed it will throw air out so once rad hose full and coolant running from rad
re conect hose and start car with rad cap off once rad fluid starts to flow in rad fill it up with 50/50 premix and install cap
wait 45 secs or soo then remove cap carefully as not to make a mess now check fluid levels when still running add if required

also make sure if serp belt that is has water pump spinning in right direction

some cars like the cavalier will allow the pump to be spun in reverse burning the bearings out and cooking the water pump

Jan 17, 2010 | Hyundai Motor 2002 Elantra

1 Answer

99 grand am gt overheating changed thermostat and


try priming the engine block & radiator with water though the hose's & any hose you can squeeze to pump out the air lock with the filler cap off when running, sounds too much air is is in the system & the pump won't work dry.
I had this problem a few times & I ended up practically forcing water into any hose I could re-attach quickly using a garden hose, as the heating system need's priming too !

Sep 21, 2009 | 1999 Pontiac Grand Am GT

2 Answers

Fuel pressure regulator makes hissing sound


your fuel pump should cycle on until the proper fuel pressure is achieved then it should shut off

Jan 25, 2009 | 1997 Volkswagen Golf

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