Question about 2001 Chevrolet Silverado 2500HD

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

Do i have to remove oil pan and loosen crank bolts to replace the rear main seal? is it easyer to pull the eng. and replace seal? how long is the standard repair time to replace rear main seal?

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  • 28 Answers

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

Posted on Nov 29, 2012

  • troy titman Nov 30, 2012

    nice feel beter going into it on my weekend off. thanks

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Posted on Jan 02, 2017

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  • 15 Answers

SOURCE: 2001 Silverado 1500 Z71 4x4 oil leak

i had the same problem and it turned out to be the gasket on the rear main seal housing not the rear main seal.

Posted on Jul 25, 2009

  • 140 Answers

SOURCE: Rear Main Seal Leaking

Hello, it's not "easy" but, it's doable.
You'll need to follow the instructions and don't take shortcuts. ask for help if you need it.
Use this link to get an idea of what is involved. Ignore the "remove transmission" part. It can be done without removing the tranny. If you decide to do this buy a service manual to help you. If you have any questions feel free to ask.
Here is the link:
http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152801caf2a

Posted on Jan 24, 2009

dttech
  • 4803 Answers

SOURCE: how do I replace the rear main seal in a 2001

You must pull the transmission. GM has not made a 2-piece seal in probably the last 30 years.

Posted on Dec 27, 2010

  • 135 Answers

SOURCE: i am replacing the oil pump on a 98 chevy malibu,

take loose the motor mount bolt and jack the front of the engine up to clear the oil pump and remove the pan,.the bolt the runs thru the center of the mounts ,the easiest way ,hope this helps you, thanks robert b.

Posted on Jun 30, 2009

BCAS1298
  • 3092 Answers

SOURCE: Rear axle oil seals leaking, book shows to remove

TAKE TIRES OFF, REMOVE DIFF. COVER, ON 3rd MEMBER THERE A PIN ABOUT 11/2" DIA. THAT GOSE RIGHT THOUGH THE 3rd MEMBER CLOSE TO ONE OF THE ENDS OF THAT PIN OPOSIT OF RING GEAR THERES AN 8mm SMALL HEAD BOLT ( TURN RING GEAR TO CHECK OTHER END OF PIN ) REMOVE BOLT PUSH AXLE IN REMOVE HORSE SHOES CLIP IN 3rd MEMBER SLIDE AXLE OUT.

Posted on Nov 10, 2009

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1 Answer

How to replace the rear main crank shaft seal


You will have to pull the engine unless you can remove the pan and have room to work. It is a real time and work saver if you can do it without removing the engine, the crank only needs to drop a tiny bit and can be done without removing the tranny.Then you can remove the rear main bearing cap and loosen all the others without removing them so you can drop the crankshaft just a little bit. then you can CAREFULLY use a punch and tap the upper half of the seal on one side so it slips around the crank until you can remove it from the block. CAUTION: DO NOT NICK OR SCRATCH THE CRANK SURFACE IN ANY WAY. Then, apply oil or grease to the lip (the part that rubs against the crank) of the new seal and carefully install the new upper half and push it into place with your fingers. then tap gently until it is seated.Take note which way the lip of the seal is pointed and install the new one the same direction. Repeat with the lower cap and replace the cap,,,,Make sure all parts are clean and oiled, tighten and torque all the caps to specs. replace oil pump and anything else you had to remove, install the pan. Reinstall engine if you had to remove it, add oil.

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1 Answer

I was told I have to replace the crankshaft seal and oil pan gasket on my 2000 chevy malibu and will cost approx. $380.00. Also is the rear main seal the same thing as the crankshaft seal??? Thanks!


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How do you replace a gasket and cover for timing chain and rear seal gasket for oil pan on a 1978 Chevy 350 motor


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Dec 11, 2010 | Chevrolet Blazer Cars & Trucks

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Rear engine oil leak....


Oil leak can be attributed to several factors.
1. Gasket failure.
2. Uncontrolled Crank case pressure Failure.

RECOMENDATION:
Tighten both the valve cover and oil pan bolts.
Replace the Positive Crankcase Ventilation Valve and vacuum line.,

INFO: PCV
This is a valve causes a negative vacuum on the engine while its running, As to say if it had a leak in a valve cover it should not be leaking while its running, only when the engine it turned off.

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1 Answer

Need to change oil pan


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Cavalier, Sunfire 2001-2005

Oil Pan - Removal & Installation

2.2L (VIN 4) Engine
  1. Before servicing the vehicle, refer to the precautions section.
  2. Drain the engine oil.
  3. Remove or disconnect the following:
    Negative battery cable Right front wheel Right inner fender splash shield Starter motor and bracket Engine mount strut bracket Oil pan
To install:


672c0b8.jpg

Fig. Exploded view of the oil pan mounting and related components-2.2L (VIN 4) engine
  1. Place a 2mm bead of RTV sealer to the oil pan sealing surface except at the rear seal mounting surface. Using a new oil pan rear seal, apply a thin coat of RTV sealer on the end down to the ears.
  2. Install or connect the following:
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  3. Refill the crankcase.
  4. Start the vehicle and verify no leaks.
2.2L (VIN F) Engine
  1. Before servicing the vehicle, refer to the precautions section.
  2. Drain the engine oil.
  3. Remove or disconnect the following:
    Engine mount strut bracket Drive belt Lower then upper AC compressor bolts Oil pan bolts Oil pan

    1c9e9c9.jpg

    Fig. Remove/Install the oil pan bolts in this sequence-2.2L (VIN F) engine
To install:
  1. Apply a 2 mm bead of RTV sealant around the perimeter of the oil pan and the oil suction port opening. Do not over apply the RTV. More than a 2 mm bead is not required.
  2. Install or connect the following:
    Oil pan and tighten the bolts to 18 ft. lbs. (25 Nm) AC compressor bolts Engine mount bracket Drive belt
  3. Refill the crankcase.
  4. Start the vehicle and verify no leaks.

2.4L Engine

  1. Before servicing the vehicle, refer to the precautions section.
  2. Drain the engine oil.
  3. Drain the cooling system.
  4. Remove or disconnect the following:
    Negative battery cable Flywheel/converter cover Right wheel Right wheel well splash shield Accessory drive belt Air conditioning compressor lower bolts Transmission-to-engine brace Engine mount strut bracket Radiator outlet pipe bolts Radiator outlet pipe from the oil pan Oil pan to the flywheel cover bolt and nut Flywheel cover stud for clearance Radiator outlet pipe from the lower radiator hose and oil pan Oil level sensor connector Oil pan
To install:
  1. Inspect the oil pan gasket; it is reusable if not damaged.
  2. Install or connect the following:
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    2ffc5e9.jpg

    Fig. Oil pan fastener torque specifications-2.4L engine
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  3. Refill the crankcase.
  4. Refill the cooling system.
  5. Start the vehicle and verify no leaks.

Hope helped (remember rated this help). Good luck.

Oct 22, 2009 | 2001 Chevrolet Cavalier

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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