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Fordster, Ford Technician
Category: Ford
Satisfied Customers: 4942
Experience:  ASE Certified as an L1 Master Technician with extensive experience in Ford products
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2000 Ford Expedition: Oil light comes..occasionally

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2000 Ford Expedition. 136K. Oil light comes on occasionally when turning corner. Do I need an oil pump?

If it's not low on oil when this happens, then it's very possible the pump is weak.

You should verify the pressure reading using a manual gauge before condemning the pump.

Fordster and 5 other Ford Specialists are ready to help you
Customer: replied 10 years ago.
Is there a way to determine if the pump is "weak"? How difficult is it to replace an oil pump? Does it require pulling the motor? I am thinking of worst case scenario and cost.

That is the purpose of checking the pressure manually. If the pressure gets too low at idle when the engine gets hot, then you likely need a new pump.

It's not an extremely bad job but it's no piece of cake either.

The engine doesn't have to come out but the oil pan has to be removed in the truck.
This usually means unbolting and jacking the engine on most vehicles.

To be any more specific, I would need the engine size and 2WD or 4WD.

Customer: replied 10 years ago.
It's a 4.6 All Wheel Drive. How many hours to perform this?

OK, I'm going to need the 8th digit of the VIN#

There are 2 different 4.6 engines and there is a BBIIIIIIIIIIIIIIIGGG difference in the labor time to change the pump

Customer: replied 10 years ago.
Reply to Fordster's Post: I am at work and I am unable to walk out to my truck. Can you give me worst-case scenario for the cost of the pump + labor?


If the 8th digit is a "W" here's the part price and labor time.

PartOEM PartPriceOil Pan 33 - Oil Pan XL1Z6675CA $91.33

StandardOil Pan Replace 1.4 hours



Now it the 8th digit is a "6", then the pump is in the front of the motor and not in the pan and the labor is quite different.


PartOEM PartPriceOil Pump 35 - Oil Pump 5L3Z6600AA $62.76

StandardOil Pump Replace 11.6 hours

Customer: replied 10 years ago.
After that information I had go and look. Of course there are only 6's in my VIN. Are these ones (1) or eyes (I)?

Yep, no question, you have the hard one.
Customer: replied 10 years ago.
Thanks for the help.