Question about Chevrolet TrailBlazer EXT

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4 wheel drive not working

Last week the all wheel drive stopped working but 4H and 4L still worked. Yesterday 4H stopped working but 4L still works.

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  • Chevrolet Master
  • 6,982 Answers

First, check the transfer case and make sure it's full.
If you have the electric shift system in your vehicle, a servo motor could be failing, or the switch may be going bad. Even the switches on these systems are expensive so good, accurate testing must be done to verify failure of anything before you start replacing stuff. If it's not electric, check linkage to transfer case... something may be loose and sliding out of adjustment. Todays systems are just too complex to give accurate answers without hands-on testing. Many times several different items can give similar symptoms. That is why most shops say "bring it in and we will look at it".
good luck

Posted on Dec 28, 2008

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I now have a suzuki samuri and do not know how to use 4x4 gears


Using the shorter gear leaver in the samurai, the gear choices are arranged in a simple U fashion. They are arranged in sequence. At left top, bottom, right middle and right top you have 2 high(2H), 4 hight (4H), neutral(N) and 4 low (4L).
2H- Engages rear wheel drive only.
4H- Engages all wheels in 4X4 mode.
N- Disengages all wheels (if you gonna tow your vehicle)
4L- Engages all wheels in 4X4 mode with 50% more torque but you cut your top speed by an equal amount.
If you have the OEM gear knob the diagram of the layout of the transfer box should be imprinted. 2 high should be used on dry and mildly wet paved roads. Using 4L or 4H in these conditions may result in damage to your transfer box. You may use 4L or 4H in any other road conditions.

Jan 05, 2013 | 1987 Suzuki Samurai

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How do you use 4 wheel drive on a suzuki samuri


the samurai doesn't have 2L it has 2H.
there are 4 modes on the transfercase. 2H, 4H, N and 4L.
2H engages the rear wheels only while 4H and 4L engages all 4 wheels. N disengages all 4 wheels, useful for flat towing.

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How to ingage the for wheel drive


Yes the light should be on when it is in 4 wheel drive, either 4h or 4l, to engage it into 4h you need to lock the hubs then select 4h while moving. Now if u want to put it into 4L you need to first stop the truck, put it into neutral and then select 4L

Sep 29, 2012 | Cars & Trucks

1 Answer

HOW TO SHIFT TO 4 WHEEL DRIVE


Hi - Here is instruction how to do.

From N to 4H

Stop the vehicle completely, place the

transmission in "N" (Neutral) and depress

the brake pedal and the clutch pedal fully

(if equipped), then push in and turn the

switch to shift into "4H".

From 4H to 4H LOCK

You can operate the transfer switch either

when the vehicle is stopped or while the

vehicle is moving.

Position the front wheels straight ahead

and turn the switch to shift into "4H LOCK".

If the vehicle is moving, we recommend

that the speed be less than 100 km/h (60

mph) during this operation.

NOTE:

• When shifting between the transfer

switch position and the transfer gear

position is unmatched, all 4WD indicators

will blink and the buzzer will sound.

• If it is difficult to shift between "4H" and

"4H LOCK" while the vehicle is moving,

try accelerating and decelerating your

vehicle several times after turning the

transfer switch. Be sure to wait until traffic

conditions allow you to accelerate and

decelerate safety before using this procedure.

From 4H LOCK to 4L LOCK

Stop the vehicle completely, place the

transmission in "N" (Neutral) and depress

the brake pedal and the clutch pedal fully

(if equipped), then push in and turn the

switch to shift into "4L LOCK".

From 4L LOCK to 4H LOCK

Stop the vehicle completely, place the

transmission in "N" (Neutral) and depress

the brake pedal and the clutch pedal fully

(if equipped), then push in and turn the

switch to shift into "4H LOCK".

From 4H LOCK to 4H

You can operate the transfer switch either

when the vehicle is stopped or while the

vehicle is moving.

Position the front wheels straight ahead

and turn the switch to shift into "4H". If the

vehicle is moving, we recommend that the

speed be less than 100 km/h (60 mph) during

this operation.

NOTE:

• When shifting between the transfer

switch position and the transfer gear

position is unmatched, all 4WD indicators

will blink and the buzzer will sound.

• If it is difficult to shift between "4H" and

"4H LOCK" while the vehicle is moving,

try accelerating and decelerating your

vehicle several times after turning the

transfer switch. Be sure to wait until traffic

conditions allow you to accelerate and

decelerate safety before using this procedure.

From 4H to N

64J209

Stop the vehicle completely, place the

transmission in "N" (Neutral) and depress

the brake pedal and the clutch pedal fully

(if equipped), then push in and turn the

switch to the mark (1) at the left of the "N"
position, and hold the switch in this posi-

tion for 5 seconds until the "N" indicator

blinks, then turn the switch to the "N" position.

When you turn the transfer switch to the

"N" position, "N" indicator will come on with

the buzzer sound.

CAUTION

• Be sure to stop the vehicle completely

before operating the transfer

switch to shift between "N" and

"4H", or between "4H LOCK" and

"4L LOCK".

• Do not shift between "4H" and "4H

LOCK" unless the front wheels are

in the straight-ahead position and

we recommend that the vehicle

speed be less than 100 km/h (60

mph).

Do not operate the transfer switch

while tires are racing.

• Do not operate your vehicle in "4H

LOCK" or "4L LOCK" on dry, hard

surfaces.

(Continued)

CAUTION

(Continued)

• Do not operate the vehicle while a

4WD mode indicator is blinking

except when shifting between "4H"

and "4L LOCK".

If you operate the vehicle while a

4WD mode indicator is blinking, a

buzzer will sound and the transfer

will shift to "N" (Neutral) to prevent

transfer case damage.

In this case, use the following procedure.

1) Depress the clutch pedal fully (if

equipped) or shift the automatic

transmission gearshift lever to the

"N" position.

2) Turn the transfer switch to the

position previously selected.
3) Operate the transfer switch again.

Feb 01, 2011 | 2007 Suzuki Grand Vitara 4WD

1 Answer

How do I use the 4 wheel drive on my Ford Ranger XLT 2.5 TDi 2004


4L only to be used in extreme condtions
N
4H for off road/snow/ice
2H - normal driving

when switching to 4H vehicle must be stationary, as when changing from 4H to 4L
but it is possible to change from 4H back to 2H while in motion.
when 4wd is engaged a lamp will illuminate on dials telling that the hubs are free wheeling, when changing back to 2H you must press corresponding switch to dis-engage this function

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If manual put in neutral also and do the same process as automatic there will be a light on dash board indicating that it is in 4wd also put transmission back to drive on automatic or shift to first gear on manual

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1 Answer

My 1990 chevy 4x4 wont engadge when i put it in 4h or 4l light doesent even com on it worked last week


The four wheel drive actuator is prolly out. same thing happened to mine.around 75 bucks to fix

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1 Answer

Shifting into 4wheel drive


btwn 2H and 4H can be done while driving up to 55 mph.
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1 Answer

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