Question about 1993 Ford F350

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Do I need to remove the automatic transmission on a 93 Ford F350 7.5L gas engine to replace the Rear main seal in the motor? What is the procedure?

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Yes, as the rear main is directly in front of the tranny. The procedure is involved...best to do a web search.

Posted on Sep 10, 2009

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1 Answer

What are the steps in replacing the rear seal in a 1966 ford f-100 with a 352 engine?


I wouldn't be surprised if you didn't have to remove the engine/transmission, split the trans from the engine, remove the TC or clutch/pressure plate, (you should have drained engine oil and auto trans oil before doing this), remove the oil pan, remove the rear most main bearing cap, rotate a new seal into place, replace rear main bearing cap, torque, etc. and reassemble.

Worst case you may have to remove harmonic balancer and front timing chain cover, front seal, release all the connecting rod caps and main bearing caps, remove the crankshaft, replace the rear main seal and reassemble. It's a 1966 engine...you should consider replacing the front timing chain with a roller chain as well as rod and main bearing inserts if you have to do all this.

Feb 04, 2017 | Ford Cars & Trucks

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My 93 crown victory Lx is leaking fluid from the back end of the motor and the front end of the transmission what is and how I fix it step by step


If its dark color it is likely rear main seal on engine. If it is red color it is front seal on transmission. check fluid levels, overfilling engine oil or transmission fluid can cause this also. both require major removal of tyranny etc. If you never done this get qualified help. .

Sep 17, 2014 | 1993 Ford Crown Victoria

1 Answer

How to replace a rear main seal in a 2001 chevy 2500


several things, the rear main seal is accessable by removing the transmission. if this vehicle is standard transmission, then would recomend new clutch at this time given the amount of labor involved. if automatic, remove drive shafts, transfer case, transmission, and flexplate ....replace rear main. approx 5 hrs.

DW Mylin

Nov 29, 2012 | 2001 Chevrolet Silverado 2500HD

1 Answer

Rear seal leaking on 2007 ford escape


In order to replace the rear main seal you will need some auto repair tools and experience . this is a big job , the transmission must be removed to replace this seal, also make sure that the seal is the leak,

oil always flows down, a leak on the top of the engine will flow down and drip at the center rear and look like a rear main seal , make sure that is the leak!!.

Depending on what engine you have and if it has 4 wheel drive the time for a shop to do is from 7 to 10 hours depending on engine size and 4wd,

Oct 21, 2012 | 2007 Ford Escape

2 Answers

Can u change the rear main seals on a 1997 f250 truck by dropping the oil pan


no sir, you must drop the whole transmission.. the rear seal is on the back of the motor.

Mar 29, 2011 | Ford F-250 Cars & Trucks

2 Answers

Need a engine diagram for a 2.8 ltr v6 showing rear main seal


Just a little advise before you jump to thinking the rear main seal is leaking. The vast majority of the oil leaks from these 2.8L motors are the rear intake manifold seal and the distributor o-ring. I would check them first. The rear main seal is in the lower rear of the motor, you have to remove the transmission to replace ti.

Jan 22, 2011 | Pontiac Firebird Cars & Trucks

1 Answer

Rear barring an seal replaced


I'm not sure if this is the right part of your car but, are you talking about the rear seal on the engine for the crankshaft?

If so:

Rear Main Oil Seal REMOVAL & INSTALLATION Fig. 1: Rear main seal installation for the 2.3L and 2.5L engines 85553306.gif
Fig. 2: Removing the rear main seal 85553307.gif
Fig. 3: Installing the rear main seal on the 2.9L engines 85553308.gif
If the crankshaft rear oil seal replacement is the only operation being performed, it can be done in the vehicle as detailed in the following procedure. If the oil seal is being replaced in conjunction with a rear main bearing replacement, the engine must be removed from the vehicle and installed on a work stand.
  1. Remove the starter.
  2. Remove the transmission from the vehicle, following the procedures in Section 7.
  3. On a manual shift transmission, remove the pressure plate and cover assembly and the clutch disc following the procedure in Section 7.
  4. Remove the flywheel attaching bolts and remove the flywheel and engine rear cover plate.
  5. Use an awl to punch two holes in the crankshaft rear oil seal. Punch the holes on opposite sides of the crankshaft and just above the bearing cap to cylinder block split line. Install a sheet metal screw in each hole. Use two large screwdrivers or small pry bars and pry against both screws at the same time to remove the crankshaft rear oil seal. It may be necessary to place small blocks of wood against the cylinder block to provide a fulcrum point for the pry bars. Use caution throughout this procedure to avoid scratching or otherwise damaging the crankshaft oil seal surface. To install:
  6. Clean the oil seal recess in the cylinder block and main bearing cap.
  7. Clean, inspect and polish the rear oil seal rubbing surface on the crankshaft. Coat a new oil seal and the crankshaft with a light film of engine oil. Start the seal in the recess with the seal lip facing forward and install it with a seal driver. Keep the tool, T82L-6701-A (4-cyl. engines) or T72C-6165 (6-cyl. engine) straight with the centerline of the crankshaft and install the seal until the tool contacts the cylinder block surface. Remove the tool and inspect the seal to be sure it was not damaged during installation.
  8. Install the engine rear cover plate. Position the flywheel on the crankshaft flange. Coat the threads of the flywheel attaching bolts with oil-resistant sealer and install the bolts. Tighten the bolts in sequence across from each other to the specifications listed in the torque chart in this section.
  9. On a manual shift transmission, install the clutch disc and the pressure plate assembly following the procedure in Section 7.
  10. Install the transmission, following the procedure in Section 7.
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Oct 07, 2010 | 1994 Ford Explorer Limited

1 Answer

I need to now how to replace rear main oil seal on 1990 ford tures with 3.0


Remove transmission and flywheel pop out seal put in new one .
Honestly go to a transmission shop they will charge you about $500 to do it. Still cheaper than wasting gas , stalling out and possibly seizing your engine.
May want to consider buying a new vehicle

Jun 18, 2010 | 1990 Ford Taurus

1 Answer

My car has a worn out engine rear seal how can I replace it?


This is a fun one. You can do this 2 different ways. One of which, remove the transmission and flexplate (automatic trans.) or flywheel (manual trans.) and you can loosen the rear main cap and pull the old rear main seal out and install the new one. The other way of replacing it is removing the engine and replacing the seal on an engine stand. Either way, it'll take some time to do.

Apr 04, 2010 | 1994 Ford Ranger Supercab

1 Answer

Front Main Seal is blown on the Transmission


You have to remove the transmission, remove the torque converter to access the seal. Most likely the bushing behind the seal is worn out allowing fluid to leak past the seal. After the trans. is out, take it to a trans. shop. It requires a special tool to change the bushing. Seems like a bunch of work for $10.00 in parts. The rear main seal requires pulling the pan to access it. When the trans. is out, this is the time to replace the rear main seal on the engine.

Jun 10, 2008 | 1993 Ford Explorer Limited

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