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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