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2.3L & 2.5L I4 Tech General discussion of 2.3L and 2.5L I4 Ford Ranger engines.

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Old 10-10-2007
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What is leaking??

Here are some pics from under the rear of my 2001 ranger 2.3l
I noticed oil when looking under the rear of the trucK. My mechanic said the rear differential should be replaced or just replace the seals and bearings. Someone else told me it was a hydraulic pump that was leaking.

Other info: My clutch is a little mushy and sometimes it is hard to get in first.


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That is my spare tire

Last edited by gbinkster; 10-10-2007 at 09:31 PM. Reason: PICS
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Old 10-11-2007
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anyone who can help??
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Old 10-11-2007
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That pic only shows where the fluid is ending up when your moving. Crawl under the engine and see if you can see where it starts. Just had to change the power steering pump on my dads Ranger 4 banger, it was doing the same thing, but that fluid could be coming from anywhere.
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Old 10-11-2007
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I'd bet on a rear pinion seal. They're really no big deal after you get the driveshaft and the pinion flange off. Then it is best to pull off the differential cover and change the fluid and reseal the cover as well. It's probably 2 hours of work with the right tools. I'm not going to promise you that's your problem because it could be blowing back from the engine/transmission area but if it's on the gas tank and the spare tire I'd bet on rear differential. Bearings don't need replaced unless you have noise.
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Old 10-11-2007
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Thanks for the help guys. im gonna clean off all the oil. Then start the engine and try to see where it's coming from.
I think i need to fill up the clutch fluid also.

If you look at the bottom of the last picture, you can see the center of the rear differential is moist. I'll check , more thoroughly and report back tonight.
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Old 10-12-2007
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I just wanted to be funny and say oil undercoating............but you'd know about that. LOL
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Old 10-13-2007
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Hey 67cobain. The leak seems to be directly on the rear driveshaft. The truck does make a grumbling noise also so im gonna replace the bearings and seals. Any idea how much for parts.
Also, i have the HAYNES manual to DIY. They say you need a slide hammer and axleshaft bearing removal attatchment, in order to take out the bearing. I dont have much money so is there any basic tool that i can use instead??
Thanks again.
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Old 10-18-2007
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I got these new pics that are from the rear driveshaft. I need to fing out how to replace the seal, cause im thinking thats the problem.
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Old 10-21-2007
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Anyone?
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Old 10-24-2007
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Someone help??
iM not the greatest mechanic, im o.k. I read the Haynes manual and the book said the oil leak is the transfer case seal. Exactly where the picture shows. So i have to take off 4 bolts, drop the driveshaft axle, then what? Does the transfer case flange pop right off, so that i can replace the rubber washer then put the metal washer (ring) with ease?
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