is this my oil sending unit? also, how do i take off my fan? - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 12-23-2007
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is this my oil sending unit? also, how do i take off my fan?

here are a few pictures i took when i was under my truck. im not quite sure if thats the oil sending unit or not. the picture is taken of the side of my oil pan. Also, i need to take off my fan. Are the only things keeping it on those bolts on the backside of it? i tried looking up these two things in the haynes manual but i couldnt find them in the glossary & the front so im confused.

Cracked fan:
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Fan bolts:
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oil pan shots:

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The oil sending unit i purchased for my 93 ford ranger - its the long one not the short one (i dunno which one is right so i chose one in hope):

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Last edited by Bigdank; 12-23-2007 at 09:27 PM.
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Old 12-23-2007
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Old 12-24-2007
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im not sure where the oil pressure sending unit is on the 4.0, im going to assume its on the block somewhere.

the thing you took a picture of is the fluid level sensor.
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Old 12-24-2007
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i didnt think that was it. im going to keep lookin.

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Originally Posted by 5speedin2.3
im not sure where the oil pressure sending unit is on the 4.0, im going to assume its on the block somewhere.

the thing you took a picture of is the fluid level sensor.
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Old 12-24-2007
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The oil pressure sender is in the side of the block and goes in the oil galley. The sender in the side of the pan may be the oil temp gauge sender or low oil light sender that is in some engines.

Any sender in the pan will not be an oil pressure sender.
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Old 12-24-2007
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what is an oil galley? is that the same thing as the oil pan?
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Old 12-24-2007
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No, their the internal passageways within the engine block that carry oil under pressure from the pump.
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Old 12-24-2007
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your picture is of the low oil light sender , the cracks in the fan are normal and I have seen many (mine ) go for years without any fragging.
There is a special tool to remove the fan , you will not get it off any other way , as it is also reverse thread .
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Old 12-24-2007
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The threads aren't reversed on a 4.0. Lefty Loosey, Righty Tighty
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Old 12-24-2007
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Sorry , I get so used to working on 5.0's in fox bodys , my other passion , I forget these are not reverse rotation , still the tool really helps .
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Old 12-24-2007
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Agreed. It's the same with 3.0 vs 4.0. What applies to one doesn't apply to the other.
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Old 12-28-2007
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I agree, the cracks in the fan are normal, every ranger that I've looked at that wasn't fairly new has had them. My old '89 had that and with over 200,000 miles, fhe fan didn't fail until I wrecked the truck.
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Old 01-01-2008
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i herd that having a cracked fan creates an off balance spin which inevitable wears away at the water pump. Also, i found my oil sending unit. the picture is not it. it was covered in mud and i couldnt see it. now its all good and working! WoOt!
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