How to Check Differential Oil Leaks and Replace Oil


Below guide will teach you How to Check Differential Oil Leaks and Replace Oil . Please follow the instructions carefully.

Things You’ll Need:

  • Differential Gasket
  • Gear Oil
  • Screwdriver
  • Drain Pan
  • Mallet Hammer
  • Scraper
  • Socket and Ratchet Set

Estimated Costs:

  • DIY Costs: Est. $118.01 parts only
  • Shop Costs: Est. $275.36 parts and labor

Image may not be specific to your car

Steps:

  • Park the vehicle on a flat surface to ensure that vehicle won’t roll when you lift it up with a jack.
  • Raise the rear part of the vehicle with floor jack. Chock the front wheels.
  • In order to ensure your safety, prop the vehicle up on jack stands.
  • Examine rear differential housing and surrounding area fro any signs of leakage.
  • Take the gear oil fill plug off.
  • Wipe off any debris or dirt from underneath the differential cover.
  • Put a drain pan under the rear differential and take away the bolts holding the differential cover. Leave 2 or 3 bolts intact on the top. You may need to pry off the cover from the differential housing to let the oil drain out.
  • Once the oil is drained out, take off the remaining 2 or 3 bolts from the top and remove the entire cover.
  • Wipe off any debris or dirt or greasy substance from the mounting surface of the differential and housing.
  • Take a sealant and apply it on the differential cover mounting surface and also to the housing mounting surface.
  • Position the new gasket on the cover and reassemble it on the differential housing. Properly torque the bolts.
  • Now take a recommended type of gear oil for your vehicle and add it to the differential until it reaches to the bottom of the fill plug.
  • Recap the gear oil fill plug.
  • Remove the jack stands and floor jack and take a small drive and make sure that everything is working fine.

Tips & Warning

  • Don’t forget to wear Personal Protective Equipment such as safety goggles, latex gloves and closed toe shoes to avoid any injuries.

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