why does my oil pressure drop when im driving after a while

Asked by Feb 24, 2016 at 11:28 AM about the 2004 GMC Yukon XL 1500

Question type: Maintenance & Repair

i can drive my truck but i guess if the trucks runs for certain amount of time the pressure drops and i have to turn the truck off and turn it back on

6 Answers

74,595

Is something on the gauges telling you to shut it down? And does the motor make any type of noise when it shows low oil pressure?

yes it starts knocking so i was told to turn the truck off when the gauge (oil) goes all the way down to 0

74,595

Well then depending on how many miles are on the engine, you could try and replace the oil pump. If you get into it, and have the oil pan down then you should have some of the bearing checked to see how bad they are worn. If the bearing show a lot of wear, then an oil pump will not solve this noise and low oil pressure.

74,595

The motor would have to be rebuilt.

omg ok thank you

74,595

Your welcome

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