Question about 1986 Jaguar XJ6

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Rear crankshaft oil seal, how do you get it in the groove totaly without having to cut ends off?

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  • eandrwillis Oct 04, 2009

    No engine is out of the car and totaly stripped down in readiness for rebuild. I have had crankshaft reground and am now about to start reassembly. In my official Jaguar manual it tells me to roll the halfs of the rear oil seal into the grooves of the oil seal housing halfs and NOT TO CUT THE ENDS. but I can only get them in to a point where I still have about 5mm left at each end and no matter how much I roll them I just can not gett any more of the seal into the groove.

  • Joe Metro May 11, 2010

    Is the engine in the car?

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Ref rear main oil seal pre size tool needed to fit seal this beds the seal into housing should be no need to trim ends fit rear main cap fit seal housing loose fit tool lubricate seal revolve anticlockwise nip seal cap screws a bit at a time keep well lubricated seal will then find its correct position and sit flush

Posted on Oct 30, 2009

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1 Answer

How much crankshaft end play should there be?


Virtually none. If you have significant crankshaft end play, and you are not leaking oil, don't worry about it. If you are leaking oil from the rear main seal or from the pulley seal, consider rebuilding or replacing your engine before it seizes.
Recommendation: DRIVE IT 'TIL IT DIES. Replacement engines for your vehicle are abundant and not particularly expensive.

Jul 20, 2014 | 2003 Chevrolet Silverado 1500

1 Answer

How do I replace the rear seal on a cadillac cts


YOU NEED TO REMOVE FLYWHEEL REMOVE OIL PAN. REMOVE REAR OIL SEAL HOUSING BOLTS. USING THE PRY POINT LOCATED AT THE EDGE OF THE CRANKSHAFT REAR MAIN SEAL HOUSING SHEAR THE RTV SEALANT. REMOVE THE REAR MAIN OIL SEAL. INSTALL GUIDE PINS INTO THE TWO CRANK SHAFT REAR OIL SEAL HOUSING CORNER BOLT HOLES OF THE ENGINE BLOCK.INSTALL THE CRANKSHAFT REAR SEAL INSTALLING TOOL ONTO THE REAR OF THE CRANKSHAFT FLANGE. APPLY A 0.2 INCH 3MM BEAD OF SILICONE SEALANT TO THE REAR OIL SEAL HOUSING . INSTALL THE REAR HOUSING TO THE ENGINE BLOCK.REMOVE THE GUIDE PINS AND INSTALL THE HOUSING BOLTS TIGHTEN THE BOLTS TO 89 INCH LBS. REMOVE THE REAR SEAL INSTALLATION TOOL FROM THE CRANKSHAFT FLANGE.THEN INSTALL OIL PAN AND FLYWHEEL.

Sep 10, 2011 | 2008 Cadillac Cts

1 Answer

How to repair front crankshaft seal leaks oil


Need to get at the crankshaft seal, usually by removing the crankshaft pulley and using a seal remover to take out the old seal, then put a new seal in.

Here are some instructions on how to do the 'rear' seal:
Rear Main Seal Removal & Installation 2.4L, 3.3L & 3.8L Engines To Remove:
  1. Remove the transaxle and flexplate. CAUTION
    Make sure not to damage the crankshaft sealing surface when removing the oil seal.
  2. Insert a flat-bladed pry tool or equivalent through the dust lip at an angle.
  3. Carefully pry the oil seal out of the engine. Pry against the chamfered edge of the crankshaft, do not damage the sealing surface of the crankshaft or an oil leak may occur.
To Install:
CAUTION
Smooth any burr or rough edge on the crankshaft with 400 grit sandpaper to prevent seal damage during installation.
NOTE: When installing seal, no lube on seal is needed.
  1. Place special tool 6926-1 seal guide or equivalent on crankshaft.
  2. Place the seal on the guide. Make sure the seal lip is facing the crankshaft and the guide tool remains on the crankshaft. Rear crankshaft seal installation (2.4L engine shown, 3.3L & 3.8L engines similar) chry-03-24-827.gif

    CAUTION
    Do not drive the seal into the block past flush. An oil leak may occur.
  3. Drive the seal into the block using a seal driver or special tool 6926-2 and handle C-4171 until the tool bottoms out against the block and the seal is flush.
  4. Install the flexplate and transaxle.
3.0L Engine To Remove:
  1. Remove the transaxle and flexplate. CAUTION
    Make sure not to damage the crankshaft sealing surface when removing the oil seal.
  2. Remove the oil seal with housing from the rear of the engine block.
  3. Remove the oil seal from the housing.
To Install:
  1. Clean the sealing surfaces on the seal housing and engine block.
  2. Use a commercial seal installer to install the seal in the seal housing.
  3. Apply a light film of motor oil to the seal lip.
  4. Apply silicone sealant to the oil seal housing sealing surface and install the housing with seal on the engine block. Tighten all bolts to 104 in. lbs. (12 Nm).
  5. Install the flexplate and transmission.
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Dec 31, 2010 | 1997 Plymouth Voyager

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

I need but cant find a Chilton manual for my 1995 tercel. All I find are up to 1994. 1995 was the first year of the fifth generation Tercel so I doubt 94 would work. I need to find something so I can...


I only found a front crankshaft seal replacement not the whole crankshaft: Front Crankshaft Seal REMOVAL AND INSTALLATION 1.5L (5E-FE) Engine Tercel NOTE: The front oil seal can be removed from the engine without removing the oil pump.
  1. Disconnect the negative battery cable from the battery. On vehicles equipped with an air bag, wait at least 90 seconds before proceeding.
  2. Remove the front covers and the timing belt.
  3. Remove the crankshaft timing belt sprocket. WARNING
    When removing the front seal, be extremely careful not to damage the crankshaft.
  4. Using a knife, cut off the oil seal lip.
  5. Tape the end of a flat bladed tool to avoid damaging crankshaft. Pry out the oil seal using the taped end of the tool.
  6. Inspect the oil seal riding surface on the crankshaft for signs of wear or damage. To install:
  7. Wipe the seal bore with a clean rag.
  8. Apply multipurpose grease the lip of a new oil seal.
  9. Drive the oil seal into place using tool SST 09309–37010 or an equivalent seal installer tool. Make sure the seal surface is flush with the oil pump case edge. Work from the front of the cover. Be extremely careful not to damage the seal.
  10. Install the sprocket without disturbing the Woodruff key.
  11. Install the timing belt and front covers.
  12. Connect the negative battery cable to the battery.
  13. Start the engine and check for leaks

Aug 01, 2010 | 1995 Toyota Tercel

1 Answer

Replaced rear main seal on 5.7 but still seems to be leaking. Any suggestions?


Be sure it is the rear main seal,there is a cam plug that could be leaking,but if it is the rear main oil seal leaking,then I suggest removing it,and installing a rear main repair sleeve,this will give it a new surface to ride on,the crankshaft may have a groove cut into it from the oil seal,this will remedy the problem.If this was at all helpful,please rate,thank you.

Jul 10, 2010 | 1994 GMC Sierra

1 Answer

2000 gmc sierra 1500 V-8, 4.8liter automatic. oil severely leaking from back of block in between block and flywheel. oil gushes out during acceleration


Between the rear of the block and the transmission is just a couple of things that may be leaking, but make sure thats where it's coming from, and not running from somewhere else...
Your crankshaft rear min seal, they get hardened after yearsm and some can cut a small groove in the end of the crank and leak. They make a "speedi-sleeve" to repair that. The other idea is the camshaft plug, which is like a freeze out plug, but these are not as common.

May 25, 2010 | 2000 GMC New Sierra 1500

1 Answer

Rear main seal leaks


The only way to repair this is to either pull the engine or transmission. It has a one piece seal. So, in order to repair it the engine and transmission has to be taken apart. Also, the old seal has probably cut a groove in the crankshaft. So, a repair sleeve will need to be installed on the crankshaft to provide a smooth surface for the new seal to ride on.

Jan 22, 2010 | 1993 GMC Yukon

1 Answer

I have replaced the front crankshaft oil seal three times in a row and still have oil leaking from there. I can't figure out why. I inserted the seal with a tool I made.


housing is out of position,gasket for housing ,not actually leaking out of seal ,most likely is end of crank shaft worn with a groove.sorry new seal if you cant get seal out without damaging it.try for another seal but from motor factor with two lips ???if not then use araldite to hold seal in place and dont knock it right home try for about halfway.and dont forget to grease shaft before fitting seal

Dec 04, 2008 | 1992 Mitsubishi Montero

1 Answer

Crank shaft movement


did you check the pulley on the crank shaft ??
is it warped ?? ( bent )
because i do not think that the truck will run with the crankshaft moving.....back and forth.
so in any case you have a lot of work to do.
here is how to remove the crank shaft.
REMOVAL
  1. Remove the oil pan.
  2. Remove the oil pump from the rear main bearing cap.
  3. Remove the vibration damper.
  4. Remove the timing chain cover.
  5. Identify bearing caps before removal. Remove bearing caps and bearings one at a time.
  6. Lift the crankshaft out of the block.
  7. Remove and discard the crankshaft rear oil seals.
  8. Remove and discard the front crankshaft oil seal.
INSTALLATION
  1. Lightly oil the new upper seal lips with engine oil.
  2. Install the new upper rear bearing oil seal with the white paint facing towards the rear of the engine.
  3. Position the crankshaft into the cylinder block.
  4. Lightly oil the new lower seal lips with engine oil.
  5. Install the new lower rear bearing oil seal into the bearing cap with the white paint facing towards the rear of the engine.
    1. Apply 5 mm (0.20 inch) drop of Loctite 518, or equivalent, on each side of the rear main bearing cap. DO NOT over apply sealant or allow the sealant to contact the rubber seal. Assemble bearing cap to cylinder block immediately after sealant application.
    2. lb align the bearing cap, use cap slot, alignment dowel and cap bolts. DO NOT remove excess material after assembly. DO NOT strike rear cap more than 2 times for proper engagement.
    3. Clean and oil all cap bolts. Install all main bearing caps. Install all cap bolts and alternately tighten to 115 Nm (85 ft. lbs.) torque.
    4. Install oil pump.
    5. Install the timing chain cover.
    6. Install the vibration damper.
      1. Apply Mopar Silicone Rubber Adhesive Sealant, or equivalent, at bearing cap to block joint to provide cap to block and oil pan sealing. Apply enough sealant until a small amount is squeezed out. Withdraw nozzle and wipe excess sealant off the oil pan seal groove.
      2. Install new front crankshaft oil seal.
      3. Immediately install the oil Dan.
if you have an email address i can send some images

Jun 07, 2008 | 1998 Dodge Dakota

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