Question about Chevrolet Silverado 1500

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My 2001 Silverado is stuck in 4L. When I select any other position, 2H, Auto, or 4H it blinks 3 or 4 times, makes clicking sounds behind the dash and then goes off...no amber lights on any drive indicator and Service 4WD illuminated. I turned the truck off and back on and it immediately tries to shift out of 4L with amber lights blinking and clicking sounds behind dash. After doing this a few times the drive indication lights would not come on at all, service 4WD light illuminated and I needed to disconnect the battery to reset the computer. Now where could my problem be?

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I would advise you to check your fuses in the block under the hood and on the driver's side of your dash. If that doesn't fix your problem, you probably need a new transfer case selector motor. A quality aftermarket replacement can be purchased for around $250, and is fairly easy to change. Hope this helps!

Posted on Sep 04, 2010

  • hayabusa913 Sep 30, 2010

    I have a 2000 Sierra that had a similar problem the first few years i had it, mostly with just indicator lights going in and out. occasionally wouldn't shift in or out of 4 wheel. I replaced the 4 wheel selector switch about 4 years ago and haven't had any issues since. I believe i paid about $45 on ebay for a new switch.

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What 2h 4h 4hlc 4llc is used for in a pajero


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Mar 04, 2016 | Cars & Trucks

1 Answer

I have a 1996 chevy tahoe. after using 4x4 high to get out of a bad situation with extensive use of high rpm's in 4H, it will not shift out of 4H. the switch on the dash is not even blinking or making


Get underneath and check the linkage bar that goes from the shifter inside the cabin to the tranny underneath. Sometimes these bars, especially on GMC vehicles can come off or become stuck, if it does become stuck then you have to take it to a dealer because local mechanics unless they've dealt with it will only make the situation worse. i used to tow cars and trucks and this is a common issue with GMC from the 90s til mid-to late 2000s

Feb 04, 2014 | Cars & Trucks

1 Answer

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.

Jan 05, 2013 | 1987 Suzuki Samurai

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

2 Answers

4runner 92 4WD problem


This might sound like a silly question but did you put the truck in neutral before you shifted into 4L ? Reason being transfer case damage can occure if it wasnt in neutral when you shifted into 4L.

May 10, 2010 | 1992 Toyota 4Runner

2 Answers

I have a Ford F150 that I engaged into 4L. Now I am trying to engage back to 2H and it is not engaging back. The 4x4 is controlled from the inside of the truck. The controller doesnt feel like there is any...


The switch could be bad, but if you cannot select 4H or 2H, I would think the shift motor in the transfer case is the issue.
This is assuming when you posted "control switch be bad", that you have an ESOF ( Electronic Shift on the Fly ) system.

Some times the Shift motor in the transfer case hangs up, and tapping the back of the transfer case cures the problem. The other thing could be the connector on the transfer case is corroded, remove the connector, and check it for water and other junk, clean if necessary.

You can remove the switch from the dash, and check the resistance on it.
35b14ff.jpg

If you secure the truck ( chock the wheels, parking brake, etc ) and having someone turn the ESOF switch from 4L to 2H or 4H, while tapping on the transfer case, this would be a good place to start.

Feb 23, 2010 | 2003 Ford F150 Regular Cab

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

Jan 08, 2010 | 2004 Ford Ranger

1 Answer

Check 4wd light on


just found this worked a trick..mine stuck for two weeks in 2wd

A mere 2,400km into the life of my 07 Rodeo TD 4WD, I used 4L for about 2km of medium-steep/slippery track. After stopping and selecting 2WD the 'Check 4WD' light appeared, meaning I was stuck in 2WD for the rest of that trip. Luckily I was able to complete the trip in 2WD without incident.

The dealer blamed me for 'not following the instructions in the manual' (utter codswallop), 'fixed' it, and very reluctantly gave me a scribbled set of instructions on resetting the system, which I've included below.

When I suggested that these instructions should be included in the manual, the response was 'not necessary if owners use the system correctly'. More cods.

Here's how to reset it:

1. Ignition off, hold all 3 buttons (2H, 4H & 4L) in together

2. Switch ignition on to 'reds' position (last position before start)

3. Hold in this state for 30 seconds

Hope this may be of use !!

Dec 12, 2009 | 2004 Isuzu Rodeo

1 Answer

Mitsubishi delicia 2.6 td (shogun engine). fails to release from 4wd so two front wheel lights flashing on dash. Its an auto but have tried usual things like re-engage then disengage and straight line...


Check the super select solenoids. I had the same problem with my pajero/montero io, when I released 4WD from 4H to 2H the two front wheels lights started flashing. They stopped flashing and was solid on when I re-engaged the 4WD (2H to 4H).

My problem was a failure in the 2H solenoid, it was not producing enough vacuum. The problem was intermitent at the begining and then was permanent.

I checked the solenoids in this way:
1) The solenoid that receives the vacuum in the botton is for 2H
2) The solenoid that receives the vacuum in the top is for 4H
3) Both solenoids operate in the same way, they only change in the way they transfering vacuum from top/botton to the exit pipe (2H or 4H). The difference is that one has the vacuum input on the top and the another one in the botton.
4) The default position when you disconnect the electronics is 4WD
5) Try disconnecting the electronics and switching the output pipe between the solenoids. This will put the solenoids on 4WD position and you changed the pipes, so the 4WD should disengage.

4WD should disengage if your 4H solenoid is OK, the ligths should now flash when you change from 2H to 4H because 4WD cannot engage because the pipes are switched. You can also check the vacuum of each solenoid with your finger on each one.

If this doesn't work, try to bypass the solenoids and connect the input vacuum hose to the 2H output pipe. If the lights doesn't turn off in 2H mode it's posible that you have different problem.

Also check this address: http://4wd.blogeasy.com/article.view.run?articleID=318776

Good luck.

Jul 25, 2008 | Mitsubishi Pickup Cars & Trucks

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