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2019 Passport Elite
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Discussion Starter · #1 · (Edited)
If you were able to DIY the differential fluid, you should be able to DIY the transfer case fluid. The transmission fluid change is a separate service that should be done about the same time. You will use less than 0.5 quarts of fluid for the transfer case.

Supplies:
  • 1 quart - Honda 08200-9014 Hypoid Gear Oil Hgo-1 Gl-5 75W-85 (current price with shipping between $25 to $30... Amazon, dealership, online seller)
  • 2 pieces - 20mm crush washer P/N 94109-20000 (same as one for the differential)
Tools:
  • 3/8" breaker bar
  • 3/8" torque wrench - set at 44Nm
  • 3/8" short extension, as needed
  • fluid pump for quart bottle or nozzle
  • small bucket or oil pan... and large scrap cardboard to catch the splatter
  • floor jack & jack stands... may not be necessary, but helps with clearance for the breaker bar and torque wrench
Procedure:
  • drive the car to warm up the transfer case
  • locate the transfer case - 1st photo (from the front), adjacent to the exhaust pipe
  • locate the fill plug - 2nd photo, front side of the transfer case
  • locate the drain plug - 2nd photo, bottom of the transfer case
  • if necessary, use the front center jack point (photo 3) to raise the vehicle and place jack stands on left front and right front jack points
  • in the following order: 1) loosen the side fill plug, 2) loosen the bottom drain plug
  • remove bottom drain plug and drain fluid into the oil pan
  • remove floor jack and jack stands to completely drain fluids... that is, level the car
  • replace bottom drain plug with a new crush washer and torque to 44Nm
  • fill transfer case with new fluids until it overflows... approximately 0.45 quarts
  • replace side fill drain plug with a new crush washer and torque to 44Nm (raise vehicle for clearance to complete torque, if necessary)
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Registered
2019 Passport Elite
Joined
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803 Posts
Discussion Starter · #3 ·
I've never done the transfer case yet. Is it doable without raising the car since I can easily do the rear diff without raising it?
It is possible, if you can apply enough force with a ratchet or breaker bar. The fill plug was the problem for me because I am a skinny runt ;) Be sure that you can loosen the fill plug first. Access to the drain plug is not a problem. Oh, a short 3/8" extension is helpful too.
 
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