Question about 2002 Toyota ECHO

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Rear main engine seal - 2002 Toyota ECHO

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On our toyota we had a leak at the rear of the engine also ... we thought it was the rear seal but turned out to be a much easier fix .. the engine pan gasket seems to just crumble after several years .. the fix is to remove the pan .. clean the bad gasket off and use liquid gasket material thats approved for catalytic converters (or whartever toyota recommends) .. .. replace pan and no more leaks in our case ..

Posted on Jul 13, 2009

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Remove the engine & replace the seal.

Posted on Jun 21, 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.

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http://www.mdxers.org/forums/73-2001-2006-acura-mdx/47786-mdx-transmission-rear-main-seal-diy-tutorial.html

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Cost replace rear main seal toyota camry


Four cylinder or V-6.

Both engines will require the removal of the timing belt to service the front crank seal. Both engines will also require the removal of the transmission to replace the rear main seal

either way way you would be looking at 3-4 hours for the front seal and 5 to 6 hours for the rear seal.

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My son has been doing something called doughnuts?in his car .so has split the main feeder pipe .i have changed that .but now there is fluid dripping from somewhere behind the engine could this be something...


dougnuts are never a good thing. the front seal on transmission could be leaking,if so the fluid will be red.it will drip down between the engine and transmission. if so, the transmission will need to come out fo r a replacement of front transmission seal. if it's clear fluid,it may be a bad steering rack. if it's black oil, it could be a bad rear main engine seal. if bad rear main seal,that transmission will need to come out for replacement of rear main engine seal.a abd rear main engine seal will also leak down between the engine and transmission and be black oil. check for color of the fluid leaking to give you a starting point to diagnose what to look for. thank you for choosing fixya.com

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Rear main seal replacment


If you have a shop you need to pull the engine to replace the rear main seal. There is a possibility of a two part seal. If you have a two part seal drop the oil pan and pull the rear main engine cap off and then replace the seal. You may need specialized tools.

Dec 03, 2010 | 1995 GMC Sierra C1500

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

How hard is it to replace the rear maine oil seal on a 1994 Jeep Grand Cherokee 5.2 liter V8 4 wheel drive


There is some work involve in replacing rear main seal, seal sit in the rear of the engine block, the transmission will have to be remove, and the fly wheel to get to the rear main seal.If you have never removed a engine or transmission, it might be best to pay and have some one do it for you.

Sep 08, 2010 | 1994 Jeep Grand Cherokee

1 Answer

I have a 2006 Pontiac Grand Prix, it is supercharged 3800. I have about 115,000 miles on it and I change the oil every 3,000 miles, check fluids, regular preventative maintenance, etc. I noticed a small...


If it's oil, it's coming from the rear main seal.. I would go with this idea.

The seal doesn't cost much but the labor to get to it does.

To give you an idea what is involved the procedure is illustrated below from the service manual:

Removal & Installation 3.8L Engine To Remove:
  1. Drain the engine coolant.
  2. Drain the engine oil.
  3. Remove the oil pan.
  4. Remove the engine flywheel.
  5. Remove the rear oil seal housing and gasket. Rear seal removal 3.8L gm-03-38-1175.gif

  6. Remove the rear main seal by placing the housing face down on 2 blocks of wood. Using a drift tool and hammer tap the seal out of the housing.
To Install:
NOTE: Do not lubricate the rear main oil seal or the installation tool. Do not touch the sealing lip of the rear main seal once the protective sleeve is removed.
NOTE: Use a clean lint free cloth to clean the crankshaft sealing surface. Remove sharp edges or burrs that could damage the rear main oil seal. Remove burrs or sharp edges with a crocus cloth.
  1. Carefully remove the rear oil seal from the protective sleeve.
  2. Install the oil seal onto the seal driver EN-47623 or equivalent by placing the seal at an angle and twisting until it is fully seated.
  3. Install the seal into the housing using the seal driver EN-47623 or equivalent and driver handle J-8092 or equivalent. Apply downward force until the seal is seated. NOTE: Ensure that the housing gasket is installed correctly and that the oil passages are not blocked.
  4. Using a new gasket Install the rear oil seal housing on the engine being careful not damage the rear main seal. NOTE: The plastic inserts are used in production and are not needed for assembly.
  5. Hand tighten the bolts. Rear seal housing alignment 3.8L gm-03-38-1176.gif

  6. Place a straight edge on the crankshaft rear oil seal housing flange and the engine block oil pan flange. Using a feeler gauge check that there is no more than .0004 in (0.10 mm) step on each side. Rotate the housing to make the steps equal on both sides.
  7. Tighten the housing bolts 11 ft-lb (15 Nm) plus an additional 50 degrees.
  8. Ensure that the housing did not move out of specification. Repeat step 6 if the oil seal housing is not within the specified range. Replace the rear oil seal housing if the specified measurement can not be reached.
  9. Install the flywheel.
  10. Install the oil pan.
  11. Fill the engine oil and the cooling system.
  12. Check for leaks
5.3L Engine To Remove:
  1. Remove the flywheel from the crankshaft.
  2. Remove and discard the crankshaft rear oil seal from the rear cover.
To Install:
  1. Use clean engine oil to lubricate the outside diameter of the crankshaft rear oil seal and rear cover oil seal bore.
  2. Install the tapered cone and bolts of a J 41479 or equivalent crankshaft rear oil seal installer onto the crankshaft.
  3. Place the crankshaft rear oil seal onto the tapered cone.
  4. Install the threaded rod of the J 41479 crankshaft rear oil seal installer into the tapered cone. Rear main seal installer 5.3L gm-03-53-3872.gif

  5. Install the crankshaft rear oil seal by turning the handle of the J 41479 clockwise.
  6. Remove the J 41479 crankshaft rear oil seal installer from the crankshaft.
  7. Install the flywheel onto the crankshaft.
prev.gif next.gif--- I'm not sure what the exact cost would be as the hours were not listed for this procedure on my online resource.

Sep 02, 2010 | 2006 Pontiac Grand Prix

1 Answer

Rear main seal leaks..does this affect transmission??


A leaking rear main seal will not cause your transmission to leak.

The transmission has its own seal and should not leak because of the engine rear main seal.

Due to the labor involved in replacing the rear main seal on the engine, it is best if you replace the front transmission seal at the same time if possible.

Installation varies on different vehicles but the principles are the same.

Apr 15, 2009 | 1997 Oldsmobile Regency

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