Land Rover LR3 Transfer Case Oil Change

This post covers the steps, tools and details of changing the transfer box oil in a Land Rover LR3. Changing the transfer case oil is very easy. The transfer box uses Land Rover part #IYK500010. The transfer case oil capacity is 1.5 US Quarts. I buy the oil from Land Rover Merriam Parts at $30.91 a quart (June 2018).

Get the transfer case oil at Merriam Land Rover CLICK HERE and search for IYK500010

You can buy the transfer box oil on Amazon: https://amzn.to/2Jc7nz1

Special note: If you wish to replace the copper washers, you must use the correct washer, Land Rover part # IYF500030. Generic, off the shelf copper washers are too big in diameter and will not fit.

LR3 Copper Washer

Tools Needed to Change the Transfer Case Oil:

  • 8mm Hex Socket
  • 3/8″ Ratchet
  • 3/8″ Universal Joint
  • 3/8″ Long Extension
  • 3/8″ Torque Wrench
  • Drain Pan
  • Suction Gun https://amzn.to/2m92RZ7
LR3 Transfer Case Oil Change Tools

The Steps to change the transfer case oil.

1. Raise the LR3 to off-road height. Open a door to stop the LR3 from changing height while you are underneath.

2. Locate the drain plug (see the picture above) clean the area around it, place a drain pan underneath and use an 8mm hex socket with ratchet to remove the drain plug.

3. Clean the drain plug and copper washer.

4. Let the oil drain completely and then install the drain plug with a new copper washer if desired. Tighten the drain plug to 16 ft-lb / 22 Nm.

5. Locate the filler plug on the rear, LH side of the transfer case (see picture above) Clean the area around it and remove with an 8mm hex socket , universal joint, long extension and ratchet.

6. Clean the filler plug and washer

7. Using a suction gun, draw in new transfer case oil from the bottle and then fill the transfer case until oil is level with the bottom of the filler hole.

8. Install the filler plug and new copper washer if desired.

9. Clean up the mess.

LR3 Transfer Case Oil Change Specs:

  • Filler & Drain Plug Torque: 16 ft-lb / 22 Nm
  • Transfer Case Oil Capacity: 1.5 US Quarts (Fill to bottom of filler hole)
  • Transfer Case Oil Land Rover Part #: IYK500010
  • Copper Washer Part #: IYF500030
  • Change the Oil Every 5 years or 75,000 miles

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