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1993 Ford Explorer Sport (2-Door)

  • 4.0L (Pushrod) V6 (244 cid)
  • Sequential Electronic Fuel Injection (SEFI)
  • Electronic Distributorless Ignition System (EDIS)
  • 5-speed manual transmission
  • 3.73 Limited-slip differential
  • 4x2 (RWD)
  • Twin I-beam front suspension w/ coils, shocks, and radius arms
  • Semi-elliptical leaf spring rear suspension w/ shocks
  • Front disc brakes/rear drums (4-wheel ABS)

 

I've owned this explorer for about 2 years now (bought it from my mom), and unfortunately I didn't really get into cars until very recently, when my transmission decided to fail.  Me being somewhat poor ($7/hr ok....), I decided to do the labor myself and have the transmission rebuilt at a repair shop.  Since the time my car has become immobile (the past 2 months), I've slowly been learning as much as I can about automobiles and slowly accumulating tools.  I plan to document every change I make to this SUV on this site, mostly to help other DIY'ers, as well as to keep a record for my own purposes.



Work I'm planning to do:

This vehicle is 10 years old as of this year (2003), and almost everything is still stock.  Figuring that I just spent $850 to rebuild the Mazda 5speed tranny in this thing and I'm not planning on getting a new vehicle any time soon (this one is paid off), why not spend a few grand more and make it a "like-new vehicle"?  I'd rather spend money when I want to replace old parts than to spend $200+/month on car payments plus insurance.  So here is a list of things I'm planning on doing to my explorer, in pretty much the order listed.  As I complete these things, I will document it on this site, so make sure you come back and check it out from time to time.

   
As you can see, the paint looks perfect on the sides, but the hood and roof has peeling clear coat...

 

Wow, I didn't realize the interior looked that dirty!  I'll take care of that in the morning :)



Transmission


My explorer has a Mazda M5R1 5 Speed transmission.  Why a ford has anything but a ford tranny I do not know...  Ford owning Mazda may have something to do with it.  Here is before and after (both pics are the same tranny)  pics of the transmission before and after it being rebuilt.

Before
old transmission
After
New transmission

This is the first time I've ever done any kind of major repair on a vehicle, so this was definitely a fine learning experience.  Before this I had only done simple stuff like changing the oil/filter and replacing spark plugs.  Since replacing a transmission involves a decent amount of labor, I decided to go ahead and replace the clutch assembly (clutch disk, pressure plate, throwout bearing, and pilot bearing) so that I don't have to do all this over again any time soon, just to replace the clutch.

Old Clutch
Old clutch
New clutch
New clutch

Like working with any vehicle that is this old, you are most likely going to discover other things that must be replaced as well.  In my case, once the transmission was removed, it was obvious I had some kind of oil leak in the engine (doh!) that I couldn't see from the top side of the engine compartment.  Turns out it was just the rear main seal (~$5 at the parts store).  Since I had to take the flywheel off to be resurfaced anyways (there goes another $25), it wasnt any big deal to replace the seal.

flywheel
Check out those blue heat scoring marks on the flywheel.  Definitely needs to be resurfaced!

While the tranny was out, I decided to go ahead and grab a new clutch slave cylinder since it still had the stock unit in it, thus decreasing the likelyhood even more that I will have to remove this tranny again anytime in the near future.  Money spent is time saved.  This set me back another $60 or so.

After I got the tranny installed, and the clutch hydraulic system bled (so I thought), I went to crank it up.  It started but the clutch felt kinda spongy (doh!).  What could it be now!?!?!  Turns out...  no matter how much we bled the clutch hydraulic system by hand, it still wouldn't get all the air out.  So, another $26 later I was back from Autozone with my Mighty Vac.  This nifty little hand vacuum pump saved the day.  Bled it with that and blam..  next thing I knew I was driving away =)

As you can see, what started out as just replacing the transmission turned into quite the money spending operation.



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MORE TO COME!



Last Updated 8/3/2003
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