Oil leak

  • 2005 CHRYSLER 300
  • 6 CYL
  • 2WD
  • 132,661 MILES

I have 2005 chrysler 300 6cyl 2.7L engine that has an oil leak I was told that I need to have the engine oil pressure switch replaced. I have looked through the Haynes repair manual and can't find anything that discusses how to replace this part on your own. I am wondering if someone could please explaine this process to me or where to look for this information.

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Friday, November 12th, 2010 AT 8:55 PM

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  • 28,976 POSTS

Buy the new part so you have something to look at, then find the similar part near the oil filter. On older cars there was a switch AND a sending unit for cars with oil pressure gauges. They are not interchangeable. If your car doesn't have a gauge, you need a switch for the warning light.

Most newer cars use a combination sending unit when a gauge and warning light are used. Those will have two wires in the connector. Switches and newer ending units require a special six-point socket with rounded corners although you might get the old one off with a standard socket or wrench if there is room. Many older sending units had a nut next to the threads. They were easy to remove with an open end wrench, typically about a 5/8".


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Saturday, November 13th, 2010 AT 2:13 AM

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