Locking in hubs.
Submitted: Wednesday, Oct 29, 2003 at 14:30
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Ray
Hi,
Is there any reason why I can't engage 4x4, high or low range, without locking in the hubs on my Patrol? I've done it numerous times when not needing the 4x4 ability but needing the lower gears and so far no dramas.
Regards
Reply By: Foss - Wednesday, Oct 29, 2003 at 15:40
Wednesday, Oct 29, 2003 at 15:40
G'Day Ray
The reason the book and most people will tell you not to do that is simply that the rear axles/driveline are not designed to handle the torque load on there own that the lower gearing can produce. With hubs locked in 4x4 H or L the front prop shaft is driven which takes half the load of the rear prop shaft.
I.E. If you were to rev the engine and drop the clutch with low range engaged and hubs unlocked you would stand a good chance of snapping an axle, exploding a transfer case or similar.
It's fine for moving the van or trailer around slowly, just be careful not to apply power or load.
Cheers
Foss
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