How do you test a 4×4 on a test drive?
How to Test a Four-wheel Drive
- Locate the four-wheel drive high button on the dash.
- Drive the vehicle as normal and press the button or shift into 4Hi.
- Turn the vehicle to the left and right while moving.
- Locate the four-wheel drive low button on the dash or shifter.
- Stop the vehicle.
How does a Jeep Wrangler YJ shift into 4WD?
YJ’s are different from their CJ predecessor, as well as the new ’97-’02 TJ Wranglers and 91 and up XJ’s, by having a two-piece axle shaft on the passenger side. Shifting into 4wd is done through the console shifter sending an impulse to the front motor via the vacuum lines.
Where is the vacuum shift motor located on a wrangler?
The right side axle shaft is a two-piece design, split at the vacuum shift motor. So, you do need the front axle disconnect mechanism to work for 2WD and 4WD modes. There’s a shift fork and vacuum motor assembly mounted on the front axle (right side).
What’s the best axle for a Jeep Wrangler YJ?
Ten Factory MG22131 Front 30 Spline Chromoly Axle Kit for 84-95 Jeep Wrangler YJ & Cherokee with Dana 30 Axle – AFTERMARKET UPGRADE! Ten Factory MG22145 Front 27 Spline (Disconnect Eliminator) Chromoly Axle Kit for 87-95 Jeep Wrangler YJ and 84-92 Cherokee XJ with Dana 30 Axle – AFTERMARKET UPGRADE!
How does a YJ Wrangler transfer case work?
Regarding your YJ Wrangler transfer case, the shift lever moves the shift positions within the transfer case, this is not vacuum actuated. The vacuum is to the front axle disconnect mechanism. This shift mechanism splits the right side axle shaft power flow when the transfer case is in 2WD mode.
YJ’s are different from their CJ predecessor, as well as the new ’97-’02 TJ Wranglers and 91 and up XJ’s, by having a two-piece axle shaft on the passenger side. Shifting into 4wd is done through the console shifter sending an impulse to the front motor via the vacuum lines.
The right side axle shaft is a two-piece design, split at the vacuum shift motor. So, you do need the front axle disconnect mechanism to work for 2WD and 4WD modes. There’s a shift fork and vacuum motor assembly mounted on the front axle (right side).
How do you unplug a shift motor on a Jeep Wrangler?
The vacuum lines that run to the top of the shift motor will need to be unplugged. Simply pull them off of the tips that stick out of the motor. Once disconnected, carefully remove the outer bolts of the motor housing. Keep in mind that gear oil will spill out of the housing once it is loosened and removed.
Regarding your YJ Wrangler transfer case, the shift lever moves the shift positions within the transfer case, this is not vacuum actuated. The vacuum is to the front axle disconnect mechanism. This shift mechanism splits the right side axle shaft power flow when the transfer case is in 2WD mode.