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Crankshaft oil seal leaking after replacing it twice

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Oil leak coming from front of engine above the sump area

run engine up to temp so oil thins out then lie under car u should see wer oil is leaking from likely coming from main seal

Posted on Nov 17, 2008

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repairpal
  • 128 Answers

SOURCE: 1999 cross country v70 awd crankshaft seal replacement

Your info is confusing. The rear cam seal is not inside the timing belt cover, and the crank seal is at the bottom of the engine, while the cam seal is at the top.

Is there oil at the top, around the cam seal? Or just at the bottom? It's common for the oil pump seal to leak. If you get the oil pump reseal kit, it contains the oil pump seal and gasket, as well as the crankshaft seal. Make sure you seal the oil pump bolts, Volvo has special copper washers for this purpose.

Just try to locate the oil leak before replacing any more parts. Sometimes it can be something simple like the oil cap seal or the oil trap housing.


Bret
RepairPal.com

Posted on Nov 24, 2008

  • 3 Answers

SOURCE: 1993 Dodge Stealth Oil leak 3.0 SOHC

there are seals behind the timing cover.when they leak oil drips down and out.my 93 base model leaks oil and coolant from this same place.

Posted on Jun 08, 2009

  • 1 Answer

SOURCE: oil leak in my 98 mazda protege

Could be a rear main seal.

Posted on Feb 01, 2010

  • 1 Answer

SOURCE: crankshaft seal blows out oil leak

The fix is replacement of motor!! I have the same problem and have already paid $700 in repairs to fix seal just to find out that the seal is being knocked out by loose crank shaft..Car had 60000 miles when I bought it 4 months ago, from a dealership, and now it needs a motor replacement..I stiil owe $5000 on a car that is worth $0..Dodge did not give the 100000 mile warranty they love to advertise on TV for the '06 Stratus..They only gave 36000 warranty because they did not think it would last much longer..Will never buy Chrysler product again!! They do not stand behind what they sell or they would have 100000 mile warranty on all their cars..

Posted on Feb 11, 2010

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2 Answers

I have a front main oil seal problem leak. that ive replaced twice on a 22 RE 4 CYLINDER.


It is difficult to advise you having not seen and felt one of the old seals and had some idea of the reason why it started leaking so soon after.

Such things as inferior sealing material or oil additives attacking the neoprene are two thoughts.
Another thought is a possible crankcase breather problem causing a pressure build-up in the crankcase.

One further thought is the oil seal land area on the front of the crankshaft. If it is deeply grooved by wear, scored in other ways, not running truly concentric or covered with a layer of varnish/carbon that is not thoroughly cleaned and the metal polished before fitting the new seal.

It is best practice to use lots of lubrication and a sleeve to protect the delicate oil seal lip from damage against any sharp edges.
I have found packing the void at the back of the seal with a very viscous grease to be a useful way of avoiding displacing the oil seal spring.

Behind the seal there is often an oil thrower or a scroll and it is important to ensure these are clean as well as any drain holes or slots intended to allow surplus oil from the bearings, oil pump or timing case to drain back to the sump.

Feb 06, 2015 | 1994 Toyota Pickup

1 Answer

I have a nissan 1400 champ and is leaking oil on the front part of the manual 5 speed gearbox and the rear part of the gearbox. I have replaced the crankshaft oil seal but i still have oil leaking on


There are seals on the front and rear of the transmission. If the clutch wasn't covered in engine oil, then replacing the crankshaft seal wasn't necessary. Reseal the transmission.

Sep 29, 2014 | Nissan Cars & Trucks

4 Answers

Oil leak on driveway coming from front of engine


Dear Sir,
Here is the oil leaking Problem Identifying Technique

Engine oil leaks from the valve cover gasket are common.

  • The intake manifold plenum gasket may leak and cause increased oil consumption/burning and a spark knock during acceleration; the gasket should be replaced.
  • External oil leaks from valve cover gaskets, intake gaskets (front or rear), and the rear crankshaft (rear main) seal area are common. The rear main seal is an unlikely source. Normally, the bearing cap mating surfaces (as well as the sealing surface between the oil pan and bearing cap) are the source for the leaks.
  • Engine oil leaks at the distributor can be misdiagnosed as leaks from theintake manifold seal, oil pan gasket, or rear crankshaft (rear main) seal. A revised distributor is available if oil is found inside the distributor.
  • If the oil filter casing shows signs of distortion from excessive oil pressure, theoil pump should be replaced.
  • Often misdiagnosed as a leaking oil filter gasket, the oil filter adapter can seep from between the adapter and engine block.
  • Carbon buildup on the top of the piston is common. As the buildup increases with mileage and over time, symptoms may vary from light ticking, to ticking/hammering, to hammering/knocking noises. Fuel injector cleaner often solves the problem.

  • I think it helps to analyse u r Problem

    Nov 02, 2012 | Toyota Cars & Trucks

    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.
    prev.gif next.gif

    Dec 31, 2010 | 1997 Plymouth Voyager

    1 Answer

    My 1994 camaro w/ 3.4L engine has an oil leak in rear of engine. It is running down both sides of the block in rear. Oil filter is wet, but not leaking, the starter and bell housing drip oil and its...


    This is most likely a leak from your rear main seal. It happens and can be a pain to replace if you're a DYI kinda person without the nec. equipment.
    1. Raise and safely support the vehicle with jackstands.
    2. Remove the transmission.
    3. If equipped with a manual transmission, remove the clutch and pressure plate.
    4. Remove the flywheel assembly.
    5. Using a suitable prytool, carefully pry the old seal out.
    6. Inspect the crankshaft for nicks or burrs, correct as required.
    88143g59.gif Crankshaft rear main seal - 5.7L engine

    To install:
    1. Clean the area and coat the seal with engine oil. Install the seal onto tool J-34686 for 3.4L engines, J 41349 for 3.8L engines or J 35621 for 5.7L engines.
    2. Install the tool (with the seal mounted to it) onto the rear of the crankshaft. Tighten the screws snugly to be sure the seal will be installed squarely over the crankshaft.
    88143g60.gif Exploded view of the rear main seal installation - 3.4L engine
    Click to Enlarge

    1. Tighten the wing nut on the installation tool until it bottoms out.
    2. Remove the tool from the crankshaft or rear oil seal housing, as applicable.
    88143g61.gif Rear main seal and installation tool - 3.8L engine
    Click to Enlarge
    88143g62.gif After position the seal on the tool, install it to the crankshaft housing

    1. Install the flywheel.
    2. If equipped with a manual transmission, install the clutch and pressure plate.
    3. Install the transmission.
    4. Check the fluid levels, start the engine and check for leaks.

    Dec 30, 2009 | 1995 Chevrolet Camaro

    1 Answer

    Oil leak at right end of engine near serpentine belt


    It's probably not the crankshaft seal. It's probably the timing cover gasket. It's very common in these engines.

    Jan 05, 2009 | 1995 Buick Riviera

    1 Answer

    1999 cross country v70 awd crankshaft seal replacement


    Your info is confusing. The rear cam seal is not inside the timing belt cover, and the crank seal is at the bottom of the engine, while the cam seal is at the top.

    Is there oil at the top, around the cam seal? Or just at the bottom? It's common for the oil pump seal to leak. If you get the oil pump reseal kit, it contains the oil pump seal and gasket, as well as the crankshaft seal. Make sure you seal the oil pump bolts, Volvo has special copper washers for this purpose.

    Just try to locate the oil leak before replacing any more parts. Sometimes it can be something simple like the oil cap seal or the oil trap housing.


    Bret
    RepairPal.com

    Nov 23, 2008 | 1999 Volvo V70

    1 Answer

    Front crank seal slight leak 1998 nissan sentra


    hi!replace the crankshaft oil seal.most of nissan's vehicles use timing chain so just remove the drive blets and the crankshaft pulley.use a screw driver to remove the old oil seal. install a new one.guaranteed the leak will stop.

    Aug 11, 2008 | 2002 Nissan Sentra

    1 Answer

    Saw oil leak and really worried


    Our son just replaced the front crankshaft seal on his but the check engine light wouldn't turn on unless the oil level had gotten way too low.
    Said the replacement wasn't that difficult but he had to do it twice as a gasket did not align correctly the first time.

    Jul 27, 2008 | 2000 Subaru Forester

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