4WD Noise

GCrane1982 · Feb 26, 2018

Hey all.

First time poster here. I have a late 05 Grand Vitara 2.0 J20A Auto which is making what I believe is a drive train noise. I have recently had the transfer case replaced due to the mechanic dyno testing it on a two wheel dyno without following the correct procedure.

However I now have a problem where I am getting a whining/griding noise when I back off the accelerator and coast along, however if I put the car into 4HL the noise disappears completely.

Anyone have any ideas what might be the cause of this?

2013GV · Mar 3, 2018

is the noise coming from the transfer case? or the front diff?
Almost sounds like an incorrectly set up transfer case (not shimmed or incorrect bearing clearances / endfloat) causing noise in coast. Does the noise disappear under load? or only in lock?
Considering they have replaced the transfer case, I'd be looking at that for a start

Depending on the model of transfer case (and i'm not sure what one your model has) if it has a "standard" type differential, its quite possible its got excessive backlash or incorrect clearances causing noise on the over run

GCrane1982 · Mar 4, 2018

Thanks, yeah it disappears under load and when 4HL is engaged. Not sure on the model of transfer case however it was a second hand one out of the same car.

4WD Noise

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