Maintenance

Reduction Gear Oil Repair Procedures

12steps
~72min
3/5difficulty
Done 0 of 12

Inspection

  1. Raise the vehicle.
  2. Remove the under cover. (Refer to Drive Motor System - "Under Cover")
  3. Remove the fill plug (A).
  4. Check the oil condition, then the oil level (A).
    If the oil level is low, add oil up to the filler hole.
  5. Install the filler plug (A).
    Replace the drain plug gasket with a new one when installing the drain plug.

Replacement

The differential gear system does not require replacement for normal use. If the vehicle is used under any of the severe conditions listed below, replace the oil every 120,000 miles. Severe use is defined as
  • Driving on rough roads (bumpy, gravel, snow, dirt, etc.)
  • Driving on mountain roads, uphill/downhill
  • Repeated short-distance driving
  • More than 50% of operation in heavy city traffic during hot weather above 32 °C.
  • Police, taxi, commercial-type operation, or towing a trailer, etc.
  1. Raise the vehicle using a lift.
  2. Remove the under cover. (Refer to Drive Motor System - "Under Cover")
  3. Remove the drain plug (A) and drain the oil completely, then install the drain plug.
    Replace the drain plug gasket with a new one when installing the drain plug.
  4. Remove the fill plug (A).
  5. Fill up to the filler hole.
  6. Install the filler plug (A).
  7. Install the under cover. (Refer to Drive Motor System - "Under Cover")

Test yourself

A quick Kia Soul EV Owner's Manual quiz: every answer comes with an explanation and a link to the manual page.