I got hung up and had to walk home! Advice needed on the 4WD system
How embarrassing! Hung up on a little hillock at the end of my home block. My wife pulled me off .... Let me rephrase that .....My wife rescued me in her Suzuki Grand Viagra!
What I don't quite understand, is that I thought that the brake activated traction control stops any elevated wheel from spinning and directs all power the the remaining wheels on earth. I had just one wheel at the front and one at the back spinning and digging neat holes in the soft dirt and not moving me forward. This is the same as the old Landcruisers that I used to drive in the 1970s. I thought Wranglers were better than that. Or, was it because I was bellied out and the chassis was taking the weight of the car and none of the wheels were putting any real force onto the ground?
Does anyone understand how the system works? Please!
Braked Lock Diff (BLD) feature of ESP/traction control uses the ABS system to brake the wheel that is in the air and direct the torque to the opposite wheel on the same axle. The wheel in the air may still turn but not any more than the grounded wheel. It sounds like it probably was working, as you were digging holes with the grounded wheels. Simply a case of being balanced in a position where there was not enough weight on the grounded wheels to move you. This would happen in a Land Cruiser as well if you have stranded it on a hump. It would also happen if you had front and back lockers, you simply did not have weight on the wheels to drive you off.
The traction control is good and works as you describe (unless you've disabled it) but it isn't magic. If there isn't enough traction available then you won't move - that's true even with lockers. I got hung up the first time I went out as well:
And, as you say, if the chassis is on the ground then there will be more resistance to overcome.
yep, agree with above. the way to get over these types of bumps is to take them at an angle rather than straight on, as both of you probably have done since .
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I got hung up and had to walk home! Advice needed on the 4WD system
