Final Drive Gear oil change

All Kia Niro related discussions
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h2onorth
Posts: 174
Joined: Thu Nov 24, 2016 6:19 pm

Post by h2onorth »

Hybrid Niro all ages plus PHEV, must have oil in the differential Casing between front wheels.
Does this oil need changing during its life?
Dealer says no but has anyone had this done or can comment. Naturally gears wear and produce metal filings which are best removed over time!
h2onorth

AlanW55
Posts: 253
Joined: Sat Mar 11, 2017 4:31 pm

Post by AlanW55 »

DCTF gear oil, as used in the Niro, is 100% synthetic and doesn't deteriorate.
Carbon steel alloy gear wheels are case hardened and hardly wear at all.
The hypoid shape is designed for quietness and to build up a micro-pressure environment where the gears mesh.
There won't be any visible 'filings', any steel in the oil would probably be individual molecules.
UK 2021 Mark 1 HEV 4 in silky silver, standard spec.
previously UK 2017 First Edition HEV in pearlescent white, standard spec.
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