Question about 2007 Infiniti QX4

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For street and highway driving... What Mode should the 4x4 knob be in, 2x mode or 4x Automatic mode? When we put it in 2x mode the truck makes a not so good sound (grinding), and when we have it in 4x Automatic mode it feels like the truck is being held back

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  • jcardenas168 Nov 17, 2009

    Thank You for your response, so what is the terrrible grinding noise when we put it 2x and go forward. I tried putting it in reverse for a couple of feet and then going forward but it still grinds.
    Did we screw something up somehow? My wife pulled up to the house one day and said the truck is making a terrible sound.

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For daily driving, you should definitely leave the it in the 2x mode. Driving on dry surfaces in 4x can damage the drivetrain. The only time you should use 4x is when the road conditions are poor, and slippery.

Posted on Nov 17, 2009

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Can i manualy take it out of 4x4


Those older fords you have to put the 4x4 selector into 2H or 2 High on the floor shifter. Then go to the front tires and in the very center of the tire there will be a knob that say Locked and Unlocked. Turn the knob to unlocked on both sides. Then you will not have front wheel dragging on the drive train and only the rear wheels will be the drive tire. TO put it back in 4x4. Turn the knob back to locked on each front tire and put the truck in 4H or 4 High to get 4x4. Only use 4L or 4Low when your stuck to prevent spinning your tires with full power.


Now if your has the automatic locking hubs I would switch them out with manual ones because the automatic ones were problematic where they get stuck or not work at all. It requires replacing the locking hub assembly which isn't that hard to do.

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It seems to be stuck in 4x4 an bindsup when making acompleat turn


The binding up is normal for 4x4 mode because the parts which normally are bypassed in a 2 wheel mode are locked and rigid in a 4x4 mode. But being stuck in 4x4 mode is not normal.

Some of the units are Vacuum operated, others are electric. The electric units use a single solenoid with a variable length
plunger that gets its signal from the dash knob. When the lightbulb in the dash selector knob burns out; the voltage changes at the solenoid plunger. The plunger then operates differently than how it is set on the knob selector.

For the electric models, you would put a voltmeter on the wire to the 4x4 shift solenoid and have someone move the selector knob to each position and see if the voltage changes.

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When putting my '04 Mountaineer in reverse or drive, with the steering wheel turned, the car fights very hard to move. Driving straight if fine. Any ideas?


Hello, Yes, It sounds like it is in 4 Wheel drive mode. Your vehicle will not make as sharp of a turn when in 4x4. You should be in 2 wheel drive on dry pavement. If you have the other system called All Wheel Drive, yours would be binding when it should not.

Check your Range Selector for the different settings. When in 4x4, the vehicle is made to take gradual turns so you don't flip it on a hill. Sometimes people mistake the Range knob for the Fan Blower switch.

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2 Answers

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Operationally vacuum holds the IWE ( Integrated Wheel Ends ) out, and once vacuum is removed the spring engages the IWE.

Lift and support the front of the truck so the front wheels are off the ground ( take safety precautions, chock wheels, jack stands, etc )
Key on, engage 4x4 and try to turn the front drive shaft.
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- If it doesn't it is a front axle engagement problem.

- If the front drive shaft does not turn :
•Shut of the truck ( still jacked up, and supported ) remove the vacuum lines from the IWE. The spring should push the gears in, without the vacuum line on.
•Check the vent line ( tube that is routed into the engine compartment with nothing attached to it ), for blockages.
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•If they lock, the problem is with the IWE solenoid not shutting off vacuum to the IWEs. There is a TSB on the 2004-2006 IWE solenoids, a newer revision has been made, and used from 2007 and newer MYs.

- If the front drive shaft turns:
•Check the fuses for the 4WD system ( If ESOF system ) . These are #11, #29, #30 and #111. Use a meter to check the fuses while plugged in, there are pins on the back of the fuse for this. Use a known good ground and check each side of the fuse with the other meter probe, with the meter set to V-DC ( check the scale if a setting that it will read at least 13 V DC ).
•With the key on, if the ESOF system have someone turn the mode selector from 2WD to 4WD while hitting the transfer case with a dead blow hammer ( do not use a metal hammer, it can damage the transfer case ). Some times the shift motor will get stuck ( lack of use ? ) and the dead blown hammer will free it up.
•There are 2 relays ( in the small engine compartment fuse / relay panel - ESOF only ) for the 4WD system, one is the CW ( **** Wise ) one is the CCW ( Counter Clock Wise ). These are full size relays, that can be bench tested, or a quick remove and replace test with the high beam relay in the cab fuse panel ( Relays R03 ). 1 at a time, remove the CW & CCW relays and install them in the position for the high beam relay, and test the high beams by pulling back on the MFS ( MultiFunction Switch ). If the high beams work with both relays, the CW & CCW relays are not the issue ).
•Check the connector on the transfer case for the shift motor, to make sure it is not corroded.

Block diagram of the IWE system
sscullys_107.jpg

Feb 10, 2011 | 2004 Ford F150

1 Answer

How do I set car to be on 4x4?


I believe that Mitsubishi has one of the best and easiest 4X4 selector systems on the Pajero/ Montero. Just below the gear shifter lever is the 4X4 mode selector. A lever like the gear shifter that works in a up, down movement. On your dash board you will notice a sort of axle, chassis diagram in green light. In normal 2WD or 2H mode the lever is set all the way back and on the dash only the rear wheels a lite up in green light on the axle, chassis diagram. This is for normal driving on the highway and smooth roads of dry dirt roads. Pushing the lever up wards while moving at crawling speed will engage the light 4X4 mode which is 4H for when the driving gets a little slippery. All 4 wheels on the axle/ chassis diagram will be lite green. Shifting the lever from the 4H position to the left and upwards will engage the 4HLc mode for 4X4 on sand and deep snow. This will also engage the central diff lock which will show on the axle/ chassis diagram on the dash board with the center box also lite up. Further up from the 4HLc mode and while pushing down on the 4X4 lever push it to the top most position, but only do this when at a stand still with your foot on the brake pedal. This will engage the 4LLc mode with 4X4 and central diff lock on for when driving gets sweaty on thick mud up and incline. To disengage this mode stop, foot on break put it in P and then pull down the lever to one of the lower settings.

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1 Answer

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1 Answer

I have a 97 mountaineer with no manual. I can't figure out how to engage the all wheel drive and its a blizzard out there. Help!!!


The truck(if it's a 4x4 and not a 2x4)has an automatic setting where the truck is in automatic 4 wheel drive when it's needed. If it becomes to harsh out with deep snow, the you must turn the dash mounted switch to 4x4 high, but do not drive in 4x4 high if the ground it dry. The high 4x4 is intended for deep snow or loose sand and dirt. The switch is on the dash just to the upper left side of your radio. If there is No switch, then you may have the FULL TIME all the time 4x4 type and then it's always in 4x4 mode. Hope that helps...

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1 Answer

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