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3 Symptoms of Bad Oil Pump that You should Worry About

While replacing the car’s oil pump is not something that most drivers face very often, it may sometimes become unavoidable. Odds are that you may never have to change it even once in your or your car’s lifetime. But, you must learn to recognize symptoms of bad oil pump, just in case. Because when you have it, you need to replace it.

So, here are 3 bad oil pump symptoms that, at first, may not sound too worrisome to you. But, they may actually be asking you to change the pump ASAP.

3 Symptoms Of Bad Oil Pump

Knowing about common signs of a bad oil pump will help you detect the issues before it is out of your control.

Decrease In Oil Pressure

oil pump failure symptoms
Oil pressure depends greatly on the oil pump

Since the oil pump is responsible for maintaining the right oil pressure, if any abnormality arises, it will be evident. The pump pressure pushes the oil into the engine and then keeps it moving through the engine. Now, when the oil does not move along with the right pressure, the friction between the parts increases. So, if you feel that the engine is heavy, the power is low, and the car stalls frequently, it is because of decreased oil pressure. And, that is surely one of the symptoms of bad oil pump.

So, it is not just the pump that the constant movement is damaging, but also the engine and the entire vehicle.

Increased Engine Operating Temperature

Now, we learned something important in the previous point. The pump maintains the oil pressure to a point as can impart proper lubrication for the functioning of the engine and other machinery without friction.

In the absence of that right pressure, friction will be caused for sure, and the most obvious result then, is heat generation. It is one of the most obvious oil pump failure symptoms. So, as you operate the vehicle, the temperature of the engine will rise beyond normal. And, when this happens, the heat light on your dashboard will light up to alert you about this abnormal rise in engine operating temperature.

symptoms of bad oil pump
Engine Operating Temperature might be the problem

This, if left unchecked can lead to colossal damage to the engine as well as other parts, along with a likely breakdown of the car on road (in grave situations). Addressing this issue in time is one of the important ways to save money on car repairs

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Unusual Noise

oil pump
Oil pump problem can be recognized by noise

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Now, even if you go only by common sense and no mechanical knowledge of any vehicle, friction between parts can still seem an understandable problem. It causes them to rub together and cause bad oil pump sound, just like rustling pines.

Now, if we talk mechanically, a dysfunctional (or a semi-functional) pump can cause the hydraulic lifters to make noise. It leaves them rubbing against other parts without lubrication. These lifters are a vital part of the valve-train mechanism of the vehicle. Low pressure of the oil coming from the pump prevents the oil from reaching the hydraulic lifters. This causes so much friction as produces noise, loud enough to be heard clearly as the vehicle rolls. They also start to wear. Ultimately, irregularities appear if you leave it unchecked. Then, it’s high time you contemplated oil pump replacement to avoid unexpected damage to your car

FAQs:

What Is The Function Of The Oil Pump?

The oil pump is a part in internal combustion engine working to circulate engine oil under pressure to the camshaft of the engine, the sliding pistons and the rotating bearings and. This lubricates the bearings, assists in cooling the engine and also enables the use of higher-capability fluid bearings.

How Much Does It Cost To Replace An Oil Pump?

The average cost to replace an oil pump is about from $500 to $1500 but can vary from car to car.

We hope that the above information will help you know clearly about what happens when an oil pump fails. If you have any question related to symptoms of bad oil pump, feel free to leave it in comment section and we will answer you later.  And keep following us to get more useful maintenance tips updated everyday by our car experts.

6 Comments
  1. Barakael Salema says

    often modern is the best sometimes

  2. Andy Moore says

    Please I have changed my toyota corolla 2000 oil pump twice and the oil seems to be pumping as observed by looking at the oil when the car is on but the red alert indication on the dashboard still shows up. When I speed up to 30 miles per hour, the noise will start. We just brought the car back from mechanic workshop few days ago. What else may be blocking the oil pressure please?

  3. Keobakile Vincent says

    I’ve got engine knock my car is Nissan hardbody 3,3

  4. raphael Gergi says

    Youre awesome ! you cracked it exactly, ive got a Porsche Boxster S 2003 facelifted, and a ticking sound is coming from the right side which indicates the Hydraulic Lifters, besides after a hard drive the “Oil Pressure Too Low” showed up, and the 2nd day the oil was low on the car… after consulting the mechanic, he is very sure that the (passenger side) oil pump is poorly working thus needs changing to pump the oil properly

  5. Zie says

    Permission to share sir.

  6. Tadesse says

    I have used the toyota yaris-sedan 2007 model with 1.3cc almost for 1-year sudenly i saw an engine oil signal and i stoped and top up the oil the alarm removed for a while and i heared an abnormal sound on the engine. Can any one advice what would be the probable cause?

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