Question about 2001 Mitsubishi Pajero

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Replace crankshaft front seal housing - 2001 Mitsubishi Pajero

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Ok. whats the problem that you are facing?

Posted on Jul 17, 2016

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1 Answer

On a 1998 Chrysler Cirrus does the transmission have to be removed for the front seal to be replaced?


No, that would be for the rear crankshaft main seal, if it had to be replaced. The front crankshaft seal will be behind the front crankshaft pulley, usually in the timing belt cover.

May 14, 2015 | Chrysler Cars & Trucks

1 Answer

Front seal replacement


Hi No Name, The most likely place of the leakage on your car is the front crankshaft oil seal. The oil pan (sump) is fitted with silicon from a tube as the gasket. It rarely leaks unless someone has broken the seal, which is difficult and usually needs a special tool for removal. To replace it you'll need to disconnect the battery, remove the PK (Serpentine) belt and the power steering pump belt and the front engine mounting (Front of the engine but fitted onto the side of the body) Next remove the crank shaft pulley, (a difficult part of the job, made easier if the starter motor is removed and a dog tooth tool is bolted into the most suitable starter motor attachment bolt holes, the dog tooth is used to lock the flywheel while removing the crankshaft bolt holding the pulley (which is torqued to 76 nm when re-fitting. Use a puller to remove the pulley from the crankshaft and then remove the ten mm bolts holding the two parts of the timing belt cover. Set the engine to T.D.C (Top Dead Center) and look for the match marks for re-timing the engine when refitting the timing belt. Once alignment has been achieved release the bolt holding the tensioner bearing and push it all the way open, releasing all tension from the timing belt and remove the timing belt. The oil seal can now be removed from its housing. Fit a replacement oil seal smearing a light coating of grease on the seal lip. Press evenly into place, making sure of an even flush fit. Replace the timing belt with a new belt, Re-align the belt so that the match marks align precisely to those on the gears by fitting and adjusting on the straight side of the belt. Once correctly fitted, gently release the tensioner bearing until it comes into full contact with the belt and hand tighten the fixing bolt and then loosen half one turn. Remove the dog tooth tool. Screw in the crankshaft pulley bolt and apply enough force to take up slack and tighten the tensioner. Remove the crankshaft bolt and then reassemble opposite to disassembly. Remember to refit the dog tooth for re-tightening the crankshaft bolt.

Jun 28, 2014 | 1993 Toyota Corolla

1 Answer

How to replace front crankshaft seal on 2005 chevy aveo


harmonic balancer out there is sensor.

Mar 13, 2013 | Cars & Trucks

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

I replaced the seal at the front pump and the torque converter but still leaking inside the bell housing any ideas


Either the input shaft seals are leaking or
A failed throwout bearing/slave cylinder could leak brake fluid into that area, and a leaking crankshaft seal would let engine oil in there.

Jun 08, 2011 | 1996 Dodge Grand Caravan

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

How do you time a 350 gmc motor


4.8L, 5.3L and 6.0L Engines
    • Timing mark alignment-4.8L, 5.3L & 6.0L 9308kg61.gif

    • Locate the camshaft sprocket alignment mark in the 6 o'clock position and install the camshaft sprocket and timing chain
    • Camshaft sprocket bolts and tighten the camshaft sprocket bolts;
      1. Torque to: 26 ft. lbs. (35 Nm)
    • Oil pump
    NOTE: Do not lubricate the oil seal sealing surface.
  1. Lubricate the outer edge of the oil seal with clean engine oil.
  2. Lubricate the front cover oil seal bore with clean engine oil.
  3. Install the crankshaft front oil seal with a suitable seal installer. NOTE: Do not apply any type sealant to the front cover gasket (unless specified). Special tools are used to properly align the engine front cover at the oil pan surface and to center the crankshaft front oil seal.
  4. Install the front cover gasket, cover, and bolts onto the engine.
  5. Install the front cover-to-oil pan bolts and do not overtighten.
  6. Tighten the cover bolts finger tight and do not overtighten. J41480 installation-4.8L, 5.3L & 6.0L 9308kg59.gif

  7. Start the J41480 or other suitable tool to front cover bolts but don’t tighten the bolts yet. NOTE: Align the tapered legs of the tool with the machined alignment surfaces on the front cover.
    Seal alignment tool installation-4.8L, 5.3L & 6.0L 9308kg84.gif

  8. Install tool J41476 or other suitable tool.
  9. Install the crankshaft balancer bolt and tighten the crankshaft balancer bolt by hand until snug but do not overtighten.
  10. Tighten the J41480 bolts and front cover bolts;
    • Torque to: 18 ft. lbs. (25 Nm).
  11. Remove the tools. NOTE: Place a straight edge across the engine block and front cover oil pan sealing surfaces. Avoid contact with the portion of the gasket that protrudes into the oil pan surface. Insert a feeler gauge between the front cover and the straight edge tool. The cover must be flush with the oil pan surface or no more than 0.5 mm (0.02 in) below flush. If the front cover-to-engine block oil pan surface alignment is not within specifications, repeat the cover alignment procedure. If the correct front cover-to-engine block alignment cannot be obtained, replace the front cover.
  12. Snug the oil pan-to-cover bolts in order to position the cover at the pan rail.
  13. Tighten the oil pan-to-front cover bolts;
    • Torque to: 18 ft. lbs. (25 Nm).
  14. Tighten the front cover bolts;
    • Torque to: 18 ft. lbs. (25 Nm).
  15. Install the crankshaft balancer and bolt (See: Crankshaft Damper).
  16. Install the water pump (See: Water Pump).
  17. Fill the engine to the proper level with oil.
  18. Fill the engine to the proper level with coolant.
  19. Test drive the vehicle to confirm the repairs.
6.6L Engine To Remove:
NOTE: The 6.6L engine uses gears in place of a timing chain. For removal and installation, please see the Camshaft and Lifters procedure. This procedure covers the removal of the front cover and seal.
  1. Before servicing the vehicle refer to the precautions at the beginning of this section.
  2. Remove the upper intake manifold sight shield as follows:
    • Remove the retaining bolt in the front of the shield
    • Lift up on the front of the shield, then lift the shield off the rear bracket
  3. Drain the cooling system.
  4. Remove or disconnect the following:
    • Negative battery cables
    • Right front wheel
    • Right front fender splash shield
    • Upper fan shroud
    • Fan clutch (See: Engine Fan and Clutch)
    • Drive belt
    • Oil dipstick tube
    • Thermostat housing crossover
    • Crankshaft damper (See: Crankshaft Damper)
    • Crankshaft front oil seal
    • Water pump (See: Water Pump)
    • Camshaft sensor electrical connector
    • Camshaft sensor bolt and sensor
    • Crankshaft Position (CKP) sensor connector, bolt and sensor
    • CKP sensor spacer bolts and spacer
    • 5 bolts securing the upper oil pan to the front cover
    • Bracket bolts and the bracket for the turbocharger outlet coolant pipe
    • Engine front cover bolts
    • Use a suitable seal cutter to separate the front cover from the cylinder block and upper oil pan NOTE: Do not bend the turbocharger outlet pipe.
    • O-ring from the front cover Engine front cover-6.6L engine 9348ng32.gif

    • Oil pressure relief valve from the front cover
To Install:
  1. Clean and inspect all sealing surfaces.
  2. Install or connect the following:
    • Oil pressure relief valve with a new O-ring and tighten the valve
      1. Torque to: 30 ft. lbs. (41 Nm)
  3. Apply a 1/8 in. (2-3mm) wide to 1/16 in. (0.5-1.5mm) high bead of sealant to the front cover sealing surfaces to the engine block and oil pan.
  4. Install or connect the following:
    • New front cover O-ring after lubricating it with engine oil
    • Front cover and bolts and tighten the front cover bolts
      1. Torque to: 15 ft. lbs. (20 Nm)
    • Upper oil pan-to-front cover bolts and tighten the bolts
      1. Torque to: 15 ft. lbs. (20 Nm)
    • Turbocharger coolant outlet pipe bracket and bolts and tighten the bolts
      1. Torque to: 15 ft. lbs. (20 Nm).
    • Camshaft sensor and bolt and tighten the bolt
      1. Torque to: 80 inch lbs. (9 Nm)
    • Camshaft sensor connector NOTE: The CKP sensor spacers are machined with different timing positions. If you have to replace a spacer, make sure it has the same part number.
    • CKP sensor spacer and spacer bolts and tighten the bolts
      1. Torque to: 89 inch lbs. (10 Nm)
    • CKP sensor and bolt and tighten the bolt
      1. Torque to: 89 inch lbs. (10 Nm)
    • Water pump (See: Water Pump)
    • Crankshaft front oil seal
    • Crankshaft damper (See: Crankshaft Damper)
    • Thermostat housing crossover
    • Oil fill tube
    • Drive belt
    • Upper fan shroud
    • Right front fender splash shield and wheel
    • Negative battery cables
  5. Refill the cooling system with the proper type and quantity of antifreeze.
  6. Inspect the engine for leaks.
  7. Test drive the vehicle to confirm the repairs.

Aug 27, 2010 | GMC Sierra 1500HD Cars & Trucks

1 Answer

How to replace Honda front Crankshaft Seal


Have to take off the crankshaft pulley to get at the Crankshaft Seal.

Use a hooked seal remover to dig in and pull the seal out without damaging sealing surfaces.

Jul 20, 2010 | 1995 Honda Accord

2 Answers

96 subaru legacy oil leak coming out from behind timing belt covr


you have to replace the seal on front of crankshaft before it gets worse

Apr 02, 2010 | 1996 Subaru Legacy

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