Question about 1999 Mercury Cougar

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How do you replace the oil pump on a 99 mercury cougar?

Oil pump went out. need to replace it. I have found different ways that people have said to replace it but not for sure which is the right way. one website said that you had to take the oil pan off to get to it and another said that it was on the side of the motor. Help?!

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  • Mercury Expert
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I would take a sample of the oil and send it out for testing. Low oil pressure could be caused by a bad pump or a worn engine. Sending the oil for testing is not that expensive and will tell you if bearing metals are present and in what quantity. This will tell you if your engine is bad before you spend the time and money to replace the pump

Posted on Apr 09, 2015

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  • Contributor
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Yes, it will be at the bottom right above the oil pan. Usually a very easy fix unless you cant get the pan out.

Posted on Apr 08, 2015

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Both the 2.0 L and 2.5 L engine oil pumps are internal pumps run off the crankshaft. You have to drop the oil pan to get at them. Not a simple fix, plan on $700-800 range charge at most garages.

Posted on Apr 08, 2015

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  • Mercury Master
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As mercury is ford it will be in the sump
only chev products have the pump outside the crankcase.

Posted on Apr 08, 2015

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Posted on Jan 02, 2017

chuck943
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SOURCE: vehicle speed sensor

You will have to get to it probably from under the car it will be located just to the right of the driver's side axle

Posted on Feb 01, 2009

  • 1 Answer

SOURCE: o2 sensors on a 99 mercury cougar v6

I just got done replacing the O2 sensors in my 99 Cougar due to throwing a P0135 malfunction code. There's 3. Facing the engine there's one in the front coming off of the front header, which is easy to get to. Another more tricky one if between the engine and the fire wall on the rear header pipe. The third is under the vehicle behind the transmission pan on top of the exhaust. In order to replace the O2 sensor near the fire wall you will need to remove the 4 retaining bolts for the ECM module and move it out of the way. Additionally you will need to remove the 2 retaining nuts for a wiring harness that is seated below the ECM module. Pay close attention to the connectors because the front and under vehicle O2 sensors have round connectors the one near the firewall has a squared connector. I was able to replace all 3 by myself in approximately 35 minutes. If your throwing a O2 heater malfunction code it is most likely going to be the sensor near the firewall. make sure that you know someone with a code reader so the code can be cleared. If you're do for an emmissions inspection be sure to put at least 40 miles on the new O2 sensor with different types of driving (e.g. highway, coasting, decellerated turns and rapid acceleration). Gotta love project cars for your kids!!

Posted on Apr 04, 2009

  • 11 Answers

SOURCE: 96 mercury cougar xr7 fuel pump

Check your local library for repair manuals...

Posted on Nov 08, 2009

  • 1 Answer

SOURCE: MY 99 MERCURY COUGAR WILL NOT TURN OVER . I

its pats

Posted on Mar 28, 2010

jyackle5
  • 8197 Answers

SOURCE: i need a diagram for a 99 mercury cougar internal fuse box

To get your diagram go to the link below. On page 156 will show you the fuse box. The link will also give you the manual of the car.

http://www.motorcraftservice.com/pubs/content/~WOXCGR/~MUS~LEN/41/99cgrog1e.pdf

Good Luck and please rate 4 thumbs up for the free answer

Posted on Jun 26, 2010

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