Question about 1993 Toyota Corolla

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Motor what are the symptoms of a bad oil pump?

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  • brian m wareing
    brian m wareing Mar 28, 2014

    one thing it starts to rattle and your temp;uture will start going up watch it close i have had five when you change you can buy a kit it has oil pump tensioner timing belt water pump and cam seals for a hundred bucks just did one it is in by your timing so it is foolish to not change all as itright in front of you the labor for a timing belt is pricey but once there everything else i mentioned is only a couple screws for all the rest as it is right in front of you now so everything else only takes an hour or so to change

  • Wheatley Douglas
    Wheatley Douglas Mar 29, 2014

    The oil pressure indicator will come on and the running of the engine will sound a bit more strain other than the sound of an engine with efficient lubricating oil in all parts of the engines.

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No oil at the top end.Remove the valve cover and have someone start the car.If the oil spits up your good if it doesn't then the pump isn't picking it up.

Posted on Mar 28, 2014

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I have a 1950 235 at cold I have good oil pressure but at running temp very low pressure the car runs great no knocking great power car temp is 170


Pete, it is the tendency of an old oil pump to pump weaker as it warms up, pump screen or tube could also be plugging. Could be a faulty gage, maybe try a different gage to verify pump could be wearing/weak.

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No oil pressure, ticking motor


Possibly a failed oil pump. Check engine oil level first.Make sure it is at least to the safe zone on your engine dipstick. if the motor has not had regular oil changes ( i change mine every 3000 miles like clock work) the oil can sludge and clog oil passages and pickup screen to oil pump.

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Motor oil in power steering reservoir?? How or what causes this to occur? PLEASE HELP!


I can not see how engine oil can get into the power steering system. Even if the pump is gear driven from the cam or crank and leak would allow steering oil into the sump and not the other way around. I think that he oil you are seeing is the power steering oil badly burnt from a failed pump. It is possible for some one to put engine oil in or an additive that was incompatible with the steering oil .Pull a hose and drain the fluid out of the reservoir. Do this 2 or3 times . I imagine there will be pump damage already so if you are prepared to drive to the garage for repairs do it in anticipation of complete steering failure and keep the speed down Personally I would put it on a tilt tray and have it delivered to the garage. It may be cheaper in the long run

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What ar he symptoms of a faulty oil sending unit


bad oil pump low oil make sure you have enough oil in your engine

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I have a 93 s-10 tahoe and it loses oil pressure after it warms up. could this be the oil pump going out?


THis is the classic symptoms of either a clogged oil screen or a bad oil pump. When the oil is cold (thick) the system is easiest to reach the required pressure. As the oil warms up (thinner) it is difficult to maintain the pressure. Try flushing the engine oil and putingin new oil and filter. THis may solve the problem...if not, look to change the oil pump. Goodd luck..

Feb 11, 2011 | 1993 Chevrolet S-10

1 Answer

2004 Dodge Intrepid oil light stays on - will not go off.


have you checked the oil level in the engine on the dipstick? if so and the oil levels full, you may have a bad oil pump! do not drive or run engine until you have a mechanic to looh at it to determine it as a a bad oil pump. running the motor with a bad oil pump will damage your motor or even lock the motor up!hope this helps you and thank you for choosing fixya.com

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Oil pressure drop to 20 lbs lifter start to rattle


You may have a clogged oil pump pick up screen, a bad oil pump or worn main bearings or cam bearings.

Jun 13, 2010 | 1992 Chevrolet C1500

1 Answer

2004 jeep liberty. oil light come on some times. today on tomorrow off sort of thing. checked oil and full. 2000km from last oil change. what are other reasons for oil light to come on?


other reasons:

perhaps it has too much oil in it? is it right on the fullmark, or above?

solution - drain some out by carefully undoing the sump bolt and holding it so only a dribble comes out, its usually one litre between E and F on your dipstick.

check your motor belts(fan, alternator, aircon) have any fallen off or are loose, some cars have vacuum pumps powered by the belts that maintain oil compression in the engine.

poor compression in your cylinders perhaps, symptoms of a worn motor
get a engine compression test done.

your oil pump may be getting wornout, this is a pump within the engine that pumps the oil from the bottom back upto the top so your motor is properly lubricated, no real way of testing this, try replacing this as a last resort, its usually cheaper to put a 2nd hand replacement motor in.




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1 Answer

Oil pressure drops and check engine ligth comes on for awhile then returns to normal. this has happend a few time and allway the same.oil is full and new .could this be the sending unit ? this is a 98...


I assume there are no oil leaks on the motor that could be contributing to loss of oil pressure.

I would have the engine oil pressure checked by a mechanic with an independent oil pressure gauge to see what might be going on. I would want to do this on a cold engine and also after the motor has been operating for a while and the oil is quite hot.
( I would also immediately be replacing the oil filter in case there is some blockage problem there. I very much doubt it but I would be doing that anyway just to be sure as it is simple and cheap to do. You say the oil level in the motor is correct and that it has been recently changed).

If there was a problem with the oil pressure sender unit I suspect you would have more frequent symptoms than you have indicated.

If the oil pump was faulty I believe you should also be getting more frequent symptoms.

It could be that the oil pressure relief valve is intermittently temporarily sticking in the open position and the pressure then being generated by the oil pump is insufficient to reach the minimum level. The warning light then illuminates.

Sean

Jan 01, 2010 | 1998 Dodge Dakota

1 Answer

No oil to head


Either your oil pump is bad, the pick up is damaged or your screen is clogged.

drop the oil pan and take a look at the oil screen on the pick up tube or check the oil pressure reading.

Quick explanation of how the oil works in your motor:

When you start the engine, the oil pump sucks oil from the oil pan, pushes it through the oil filter to remove dirt, and then delivers motor oil to various engine parts such as the bearings and cylinder walls through oil channels in the engine.

So! Either the filter is REALLY plugged up or you have a bad oil pump.

Have you had something bad with oil on your vehicle? Has it ever been run dry? Has the filter been replaced recently?

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