High Oil Pressure Gauge Reading on Silverado
If your Chevy Silverado is experiencing unusually high oil pressure, you need to discover out what's causing it right away.
Unusually high oil pressure can indicate serious problems, such as a blocked oil passage, or a broken pressure relief valve. It should be treated similar yous have no oil pressure until you verify what is actually going on with your Silverado's engine.
High Oil Pressure Causes: Chevy Silverado
Here are some of the most common causes of high oil pressure level. Many of them don't involve opening up the engine. They are presented offset in the hopes that it doesn't come to that for yous.
1. Cold Start
It is completely normal for a vehicle to accept higher oil pressure when you first outset information technology upward. The oil is thicker and the pressure will stay higher until the engine warms up and information technology thins out a chip.
With most vehicles, the oil pressure level tin can be as high equally 65 pounds around startup. When the engine warms upward, it'll taper off to around 40 pounds. If the oil pressure level stays loftier, that's when there is a serious problem.
2. Faulty Oil Pressure Sending Unit
Your Silverado's oil pressure sending unit sends a signal to the Powertrain Control Module (PCM) letting it know the actual oil force per unit area of the engine. If this sending unit of measurement goes bad, it tin send a false reading.
A faulty sending unit is often the cause of a loftier force per unit area reading. That's good news, they are easy to get to and cheap to replace, and there's nothing really wrong with your engine itself.
You'll need to become a manual oil pressure test guess and claw it into the port where the normal oil pressure sending unit goes. This will allow y'all to get an actual reading of your Silverado's oil pressure. If information technology matches what the electronic oil force per unit area sending unit says, information technology's time to movement forrad in your diagnosis.
If it reads normal, you know that you accept an issue with the sending unit. You should audit the wiring harness around it to make sure that in that location are no cracks or damage. Make sure that it's plugged tightly into the sensor and that in that location's no corrosion on the contacts. If it all checks out, replacing the sensor should solve the problem.
You may also feel oil pressure level related trouble codes such as:
Chevy Silverado P0520: Oil Pressure Switch/Sensor → Circuit
3. Bad/Muddied Oil Filter
If your Silverado'southward oil filter is obstructed through the accumulation of grime, it will no longer let plenty oil become through the engine. When this happens the temperatures will begin to rise and the oil pressure level could rising.
Irresolute the oil and oil filter are a great idea when you lot have loftier oil pressure. Information technology only takes a few minutes and if the filter was clogged, you lot've solved the problem.
4. Bad Oil or Wrong Viscosity Oil
Using the wrong oil weight in your engine can cause the oil pressure level to be too high. This is a great avenue to explore in your diagnosis if y'all didn't physically put the oil in the engine yourself. We're all human. Perhaps the shop that last changed your Silverado's oil put used the wrong oil.
5. Internal Engine Issues
Above we listed out some of the near common reasons that your Silverado would accept high oil pressure that don't involve opening up the engine. If y'all've checked through all of that it'southward fourth dimension to focus on mechanical problems, or take it into a mechanic that tin check information technology out for you.
Blocked Oil Passage- Much like the human being body has veins, your Silverado has oil passages that lead oil to all of the vital engine components. If one of these veins is blocked, information technology can mess with the oil pressure reading. Merely, information technology also means that some role of the engine is not existence properly lubricated.
Bad Pressure Relief Valve- If the pressure relief valve has gone bad, it'll allow the oil pump to send every bit much pressure as information technology can muster throughout the engine. You'll need to remove and make clean or supervene upon it to meet if information technology was causing the high oil pressure level.
Bad Oil Pump or Bearings- A bad oil pump is going to cause erratic oil pressure level readings.
Conclusion: Chevy Silverado High Oil Pressure level Diagnosis
As you can encounter higher up, there are many reasons that your Chevy Silverado could have high oil pressure level. High oil pressure ofttimes indicates that while some parts of the engine are getting oil, others are not. Until you lot manually verify the oil pressure, you should treat it like you lot take no oil force per unit area at all.
Thanks for reading. If there is anything that yous would similar to add, please leave a annotate below. Proficient luck fixing your Silverado!
Source: https://www.700r4transmissionhq.com/high-oil-pressure-chevy-silverado/
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