This information only applies to the HF1A, HF2A and HF2AV transfer cases that are found in the following vehicles:
- Toyota LandCruiser 80 Series (1HD-T, 1HD-FT, 1FZ-FE Engines)
- Toyota LandCruiser 100 Series (All Engines)
- Toyota LandCrusier 105 Series (All Engines)
- Toyota LandCruiser 70 Series (1HD-FTE, 1VD-FTV Engines)
HF1A = Part Time Transfer Case (Positions - 2H, 4H, N, 4L)
HF2A = Full Time Transfer Case with Electronic Centre Diff Lock (Positions - H, N, L)
HF2AV = Full Time Transfer Case with Viscous Coupling and Electronic Centre Diff Lock (Positions - H, N, L)

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