Question about 2002 Isuzu Trooper

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2002 ISUZU TROOPER PROCEDURES TO OPERATE THE FOUR WHEEL ENGAGING

THE FOUR WHEEL DRIVE SYSTEM IS NOT EGAGING. WHAT IS THE RIGHT WAY TO DO IT

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Simon

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Just press the 4wd button on the dash at any speed up to about 40mph and press again to come out .
When you turn the key on and the oil and battery lights are on the little green 4wd light should be on too if its flashing or not on check your fuses in the drivers footwell.

Posted on Dec 25, 2009

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My 98 blazer 4x4 wont work?


Which of these does your vehicle have ?

Transfer Case - NVG 233-NP1 (Two Speed Selectable)
Transfer Case - NVG 136-NP4(One Speed Automatic)

The New Venture Gear NV233 is an electronic shift transfer, with the following three modes of operation, Two-wheel drive high range, Four-wheel drive high range, Four-wheel drive low range. The gear reduction for low range is provided by a planetary gear set. The floor-mounted shifter has been eliminated. A switch, located on the upper right side of the instrument panel, is used to select the operating range. The indicator lamps on the switch show the current mode of operation. When the four-wheel drive has been selected, the four-wheel drive indicator lamp on the switch is designed to turn on when the front axle has engaged.


Automatic Transfer Case
The single speed automatic transfer case system shifts automatically from rear wheel drive to four wheel drive when the transfer case shift control module (TCSCM) senses the difference in rotation speed of the front propeller shaft and the rear propeller shaft . Two vehicle speed sensors, one located at the rear output shaft area of the transfer case, and the other, located at the front output shaft area of the transfer case, send front and rear propeller shaft rotation speed information to the TCSCM.
When the front and rear output shaft rotations remain the same, the TCSCM sends pulse width modulation signals to the encoder/motor to keep the transfer case in rear wheel drive. When the front and rear output shafts rotations are different, the shift control module sends pulse width modulation signals to the encoder/motor to engage the transfer case into four wheel drive.
The system will automatically transfer a percentage of torque to either the front or rear axles as required to stop all wheel slip. When the front and rear output shafts rotations return to the same speed rotation, the shift control module sends pulse width modulation signals to the encoder/motor to position the transfer case back into rear wheel drive.
When the transfer case is engaged into four wheel drive, a lamp indicator on the instrument cluster will light. The automatic transfer case system is completely automated, no transfer case control button switching system is required.

Do you know what diagnostic trouble code's are ?

DTC C0300 Rear Speed Sensor Malfunction
DTC C0305 Front Speed Sensor Malfunction
DTC C0308 Motor A/B Circuit Low
DTC C0309 Motor A/B Circuit High
DTC C0310 Motor A/B Circuit Open
DTC C0315 Motor Ground Circuit Open
DTC C0374 General System Malfunction
DTC C0376 Front/Rear Shaft Speed Mismatch
DTC C0550 ECU Malfunction
DTC C0611 VIN Information Error
DTC C0895 Device Voltage Malfunction

Not OBD2 engine code's .

Jul 28, 2018 | Cars & Trucks

1 Answer

I have a 1998 Chevy blazer and I am having trouble making sharp turns left and right its almost like the breaks are sticking but I have replaced everything but those hose itself. It also happens if I have...


If it feels like the front end is hopping or binding than I would put my money on the four wheel drive being engaged. On dry pavement the four wheel drive has no way of of slipping through a turn. the front end will hop to compensate for this.

If your lucky enough to find a snow covered parking lot or field or even a loose gravel road, try some tight turns. If the problem goes away its in the four wheel drive system.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Mar 01, 2015 | 1998 Chevrolet Blazer

4 Answers

Why won't my jimmy go into 4 wheel drive?


Because you have yet to diagnose that system

If you have no factory manuals, to learn the system, or
not enough experience, when under it ,to locate a problem,
your done

So then you have to pay a shop, that may or may no do
what is required & may do sloppy work

Jul 21, 2014 | 2000 GMC Jimmy

1 Answer

97 jimmy wont go back to 2 wheel drive


Check everything in that right front driveline. Could have a problem that when the four wheel drive puts some tension on it, it stops making noise.

Mar 17, 2013 | 1997 GMC Jimmy

1 Answer

Cant locate four wheel drive on off switch


sound like you have the automatic four wheel drive system where the transfercase control module controls the 4WD system if you dont see shifter knob on console you have automatic 4WD drive system.

Jan 17, 2013 | 1998 Mercury Mountaineer

1 Answer

I got 2005 grand Cherokee 5.7 hemi I did the service 4wd I just need to know is there a way to reset the worning that always on the screen (even when I'll change it to somthing else it come back).


if the message "service 4wd" is appearing than there is a problem with the four wheel drive system. It does not mean the four wheel drive needs to be serviced (fluids changed, etc.).

Did you make any repairs to the four wheel drive system?

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Feb 08, 2012 | 2005 Jeep Grand Cherokee

1 Answer

2005 Kia Sorento - in 4 wheel drive, on dry pavement, going slow in forward, turning a corner to the left the rear drivers side wheel tries going in reverse and when turning right the passenger side wheel...


Hi,
Yes, this is normal while in four wheel drive on pavement.
I will try and explain why.
In four wheel drive the front and rear drive axles are linked together by a chain in the transfer case and gears in both axles. This is a direct link with very little play between the front and rear axles.
When cornering a rear wheel will spin faster, or slower depending on the direction of the turn. this causes a binding in the drive line because the drive line wants all the wheels to turn at the same speed. So the wheel "skipping" going in reverse, is the drive lines way of compensating for the different speed of the wheels turning.
Never should a four wheel drive be used on dry pavement. I could cause a break in one of the drive line components. On a slippery surface , snow, mud, gravel, grass, There is enough slippage in the surface to aloow the driveline to compensate for the different speeds of tire rotation.
So do not try at highway speeds on dry pavement.
Your four wheel drive system is working just fine.
Wayne

Jun 21, 2011 | 2005 Kia Sorento

1 Answer

I have a 2002 Liberty 4x4 and today when I tried to put it in four wheel I drove forward afterwards, but if you try to turn the car acts like it will not go at all.


That is normal for four wheel drive vehicles on hard non slip ground.The front wheels when four wheel drive is engaged will act like a brake if they are turned almost all the way to the left or right.When the two wheel drive is disengaged it will drive normally again.

Dec 22, 2009 | 2003 Jeep Liberty

1 Answer

Four wheel drive locking up in tight turn. loud clicking from front


Hopefully the CV joints have not been damaged, What you are experiencing is called torque bind, it happens when you drive on dry pavement in four wheel drive. Unless you have an all wheel drive system that has a way of allowing the front and rear wheels to slip or turn at different speeds, a standard four wheel drive system will destroy itself if it is used on a non slippery surface. Never drive on good traction surface unless you have selected 2WD, 4WD is only for snow, ice and gravel

Mar 11, 2009 | 2002 Isuzu Rodeo

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