Question about 1987 Ford Ranger

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1987 ford ranger 2.9 leaking oil

Replaced pan grasket and still leaking. Only leaks when under load.Top side of starter is soaked but cant pinpoint.

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  • jmyers159 Apr 24, 2009

    I also replaced valve cover gaskets and checked oil pressure sending unit but not oil pressure switch. Also there is a sensor that is in the bottom of the pan that seems a little loose but no oil is coming out.I tryed to remove it but would only come out part way.It seems like getting pressure in the crankcase, when removing PCV valve, it blows out of cover opening. I checked PCV,EGR valves and are functioning.Still trying to keep oil in it but will check oil pressure switch, thanks

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Hello, this is probaly your rear main seal on the back of your crankshaft. I would check and see if it is a two piece or a one piece main seal. You sound like a knowledable mechanic so this would not be to heard if you have taken a oil pan gasket off a ranger. I have a ranger and did an oil pan in a parking lot without jacking it up and removing the motor and shock like the manual says so I know that takes some skill. So, look up the seal in your Haynes or Chilton Auto Manual and I would replace this seal. Oil near your starter and the back of the oil pan is a classic sign of a rear main seal. Now, to get the seal in out you can refer to your manual and just remember to torque your rear main bearing cap to the proper torque when your done and also try to clean the bottom of your oil sump screen while your down there that would be a benefit later on. A tip to get a stuck seal out is to take an old wire tester the one that looks like an ice pick; this can push out a stuck rear oil seal very easily. I hope this helps your problem and I wish you the best of luck. If you have any other questions just email me ok.

Posted on May 22, 2009

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Hello jmyers159: The oil leak may not be the pan gasket.If the starter is where you are seeing the oil? Look higher up. The valve cover gasket and oil pressure switch are both above the starter. The oil pressure switch will leak more at higher RPM then at an idle. This will delete the oil supply fairly fast.The valve cover will leak oil but at a much lower rate.
If this answer helps please rate the information as it helps assure you receive helpful information. Should you need further help please just ask. THank You for using FixYa. Roger

Posted on Apr 23, 2009

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