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The answer to your question depends in part on why you are asking. For example if the oil light is on that can be an indication of low oil pressure. It can also mean the sender has failed and is giving a false reading. If the oil filter is clogged it can also reduce oil pressure. You would want to check the actual pressure with a real pressure gauge to see what the actual pressure is.
On the other hand if you have the engine all apart on an engine stand and you are in a convenient spot to change the oil pump. Then you would want to measure the clearance between the gears and the oil pump body. Also check the end play of the gear to cover. If it is out of spec you would want to replace it. For that matter if you are doing a full overhaul you should probably replace it along with all the other new parts.
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∙ 14y ago
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How do you know if the oil pump is bad on a 2007 Dodge Durango?
You will need to run an oil pressure test with a pressure gauge.
Why oil pump losing pressure?
either your oil pump screen is clogged or you need a new pump
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Zero oil pressure.
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How do you know if I need an oil pump or an oil pressure switch?
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How do you know whe the oil pump is bad?
Loss of oil pressure.
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Of course, there is no other way to get at the pump.
Do you have to drain the engine oil before removing a water pump?
From The Information You Have Asked. You Have An Engine. There Is No Engine That I Know Of Where The Oil And Water Run Together. So The Answer Is NO. You May Want To Change Your oil After You Get The Engine Back Together And Running. But No You Do Not Need To Drain The Oil Out To Change The Water Pump.
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