Question about 2003 Chevrolet Silverado 1500

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Passenger side front axle seal is leaking and needs to be replaced on my 2003 Silverado. Whats the easiest/best way to go about doing this repair?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 3 Answers

SOURCE: CV Axle removal and installation

The axle should be able to be removed by using a flat ended pry bar tool with a dull flat end. Or possibly a very large flat screw driver. Put the pry bar between the axle and transmission. With light pressure, the axle should pop out of the transmission. The axle just snaps into the transmission. There should be no need or cause to damage the seal because the seal is inset into the transmission. Just watch what you are doing. As far as replacing the seal, I do not know. I have not had to do that yet, and I have replaced both sides with new boots more than once.

Posted on Nov 11, 2008

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  • 4 Answers

SOURCE: Rear Axle Leak

It might be the bearings that failed and letting the axle rest on the seal. Its a common problem for these cars. I've replaced mine and it did it again so now im replacing the rear end.

Posted on Jan 19, 2009

CMV9
  • 594 Answers

SOURCE: the seal on the front axle on the passenger side

here is a diagram on how to replace the front pinion seal.
please do not forget to rate and comment about your experience with fixya.

  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2. Remove both half shafts.
  3. Mark propeller shaft and pinion flange for installation reference.
  4. Remove front propeller shaft.
  5. Rotate pinion gear three to four times, to verify pinion rotates smoothly.
  6. Record pinion flange rotating torque with an inch pound torque wrench for installation reference.
  7. Hold flange with Holder 6719 and four bolts and washers.
  8. Remove pinion nut.
  9. Remove flange with Remover C-452.
  10. Remove pinion seal with a pry tool.
    67189-dako-g28.gif Removing the companion flange
    67189-dako-g25.gif Measuring pinion rotating torque
    67189-dako-g27.gif Pinion seal installer
    67189-dako-g26.gif Tightening the pinion nut
To install:
  1. Apply a light coating of gear lubricant on the lip of pinion seal.
  2. Install seal with Installer C-3972-A and Handle C-4171.
  3. Install pinion flange onto the pinion with Installer C-3718 and holder.
  4. Hold pinion flange with Holder 6719A.
  5. Install new pinion nut and tighten nut until there is zero bearing end-play.

    CAUTION Do not exceed the minimum tightening torque when installing the companion flange at this point. Damage to the collapsible spacer or bearings may result.
  6. Tighten pinion nut to 271 Nm (200 ft. lbs.).

    CAUTION Never loosen pinion nut to decrease pinion bearing rotating torque and never exceed specified preload torque. If preload torque or rotating torque is exceeded a new collapsible spacer must be installed.
  7. Record pinion flange rotating torque, with a torque wrench. Rotating torque should be equal to the reading recorded during removal plus an additional 0.56 Nm (5 inch lbs.).
  8. If rotating torque is low, tighten pinion nut in 6.8 Nm (5 ft. lbs.) increments until rotating torque is achieved.

    CAUTION If maximum tightening torque is reached prior to reaching the required rotating torque, the collapsible spacer may have been damaged. Replace the collapsible spacer.
  9. Install propeller shaft with reference marks aligned.
  10. Install half shafts.

Posted on Apr 16, 2009

  • 118 Answers

SOURCE: I have a 2003 Z-71 that is leaking at the

In most cases just replacing the seal will repair the leak. Check the seal surface on the axle hub to insure that the surface is not damaged and will damage the new seal.

Posted on Jul 20, 2009

cshubart
  • 146 Answers

SOURCE: how do you a Replace rear axle seal

first drain fluid and remove diff cover take off tires theres a c-clip in the diff that needs to be removed so you can take the axles out the seal is behind the axles pull old ones and install new replace c-clip and cover fill with recomender diff oil you should be good

Posted on Oct 07, 2009

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