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Frontera sport niagara

Hi just wanted to ask about the gear system which setting is better 4high 4low or 2 high which uses the least fuel

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  • calps Mar 10, 2008

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Don't know why this was classified under Radio Scanners, it sounds like it's an automobile question.

2-high will be best on gas by far as the engine no longer has to drive a transfer case to get torque to the other 2 wheels.

4-high will be next in line and should only be used on slippery surfaces (ie: snow, dirt roads)

4-low will probably only get you up to 30 mph since it has an entirely different gear ratio. Most people hardly ever use 4-low except when pulling stumps in the back yard.

For general use, stick with 2-high. Best fuel economy and performance.

Posted on Mar 10, 2008

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1 Answer

When useing 4 wheel drive what gear should you be in


Gear range depends on terrain / conditions.

4low would be used to move slowly, with large amounts of torque developed and transferred to wheels. It is not capable of road speeds without over-revving the engine.

4high is best all around conditions, and necessary for road travel for any speed above a slow run.

Mar 01, 2015 | 1996 Jeep Grand Cherokee

1 Answer

What is wrong with my 2000 chevy blazer ; it is a 4wd automatic an i locked it in 4wd low to pull my boat out of the water and can not get it to shift back i to 2wd?


You shouldn't have to use 4wd to tow a boat out of the water. Does your truck have a 2wd button or just the 4high and 4low button? If you have a 2wd button, put tranny in neutral and then hit the 2wd button. If you just have the 4high and 4low button, put the tranny into neutral then press the 4high button twice (Once to get back into 4high, then again to get out of 4high and back to 2wd).

Jun 04, 2014 | 2001 Chevrolet Blazer

2 Answers

Greetings, My car started showing some issues yesterday, it gives me a sign, 4low! don't know what means and it has started performing complitly different and slow, is not changing gears too!...


On any suv with 2 and 4 wheel drive options 4 low generally means that the transmission is in 4 wheel drive low gearing option so that the most possible torque is transferred to the wheels by way of what would be called a granny gear. What you will need to do is check your 4 wheel drive settings to see if the transmission has been put into this option which is either on a separate shift lever or a push button either on the shift handle or on the dash. Your owners manual should also direct you to where the selector is at.

May 29, 2011 | 2009 Lexus LX 570

1 Answer

Is there suppose to be any noise when engaging n disengaging 4LOW and 4HIGH?


NO THERE SHOULD NOT BE ANY NOISE WHEN ENGAGING OR DISENGAGING 4LOW OR 4HIGH

Jan 20, 2011 | 2004 Chevrolet Silverado 1500 Crew Cab

3 Answers

4wheel drive wont engage


First, start checking the fuses an there is also an electrial activaced switch at the transmission or transfer case that may be bad.

95-96
Your control knob should say 2wd, 4auto, 4low.

First, we need to narrow it down to a transfer case issue, or a front axle issue.
Step 1) Jack up the front end and place it securely on jack stands.
Step 2) Verify that the front driveshaft turns by hand. When turning the front driveshaft by hand, the front wheels may or may not turn. Do not be alarmed if they don't turn. This is normal for your vehicle.
Step 3) Start the vehicle and let it idle. Place your foot firmly on the brakes, place the transmission in NEUTRAL, engage 4low, then place the vehicle back in park. DO NOT ENGAGE ANY GEAR!! The lurch as the transmission engages could cause the vehicle to lurch and potentially fall off the jack stands.**If you can turn the front driveshaft, the transfer case is not locking. This could be due to a mechanical issue with the transfer case itself, or an electrical gremlin with the control system. Start a new thread with the results of your checks, and we'll go from there.
**If the front driveshaft does not turn, the transfer case is locking properly and we need to continue searching.
Step 4) With the front wheels in the air, engine idling in PARK, spin one front wheel. The other wheel should spin the opposite direction. If both wheels spin in opposite directions, then the front axle *should* be properly engaged. Take it for a test drive (after safely lowering it to the ground, of course). If the front wheels do not spin in opposite directions, there is a problem with the front axle. This could be due to a mechanical problem with the diff, or a failure of the center axle disconnect to engage the passenger side axle shaft. Start a new thread with the results of your checks, and we'll go from there.

Troubleshooting the CAD on a 95-96 is a bit more involved than I want to get into here, and the problems can vary widely. This'll get you started.


97-01 4-door and 96-00 Sports
Your control knob should say 4auto, 4high, 4low.
First, we need to narrow it down to a transfer case issue, or a front axle issue.

Step 1) Jack up the front end and place it securely on jack stands.

Step 2) Verify that the front driveshaft turns by hand. When turning the front driveshaft by hand, the front wheels should turn. (If only one turns, don't be alarmed. One wheel sometimes has more resistance in the brakes, bearings, or CV joints. This is normal)
Step 3) Start the vehicle and let it idle in PARK. Engage 4high. DO NOT PUT THE VEHICLE IN GEAR!!! Crawl underneath and see if you can turn the front driveshaft.
**If you can turn the front driveshaft, the transfer case is not locking. This could be due to a mechanical issue with the transfer case itself, or an electrical gremlin with the control system. Start a new thread with the results of your checks, and we'll go from there.
**If the front driveshaft does not turn, the transfer case is locking properly and we need to continue searching.
Step 4) With the front wheels in the air, engine idling in PARK, spin one front wheel. The other wheel should spin the opposite direction. If both wheels spin in opposite directions, then the front axle *should* be properly engaged. Take it for a test drive (after safely lowering it to the ground, of course). If the front wheels do not spin in opposite directions, there is a problem with the front axle. Start a new thread with the results of your checks, and we'll go from there.


'01-'03 Sport and '01-'05 Sport Trac
Your control knob should say 2wd, 4high, 4low

The transfer case in these trucks functions essentially like the 1st-gens' 13-54 t-case. (i.e. it uses a lockup collar engaged by the transfer case shift motor) The troubleshooting procedure is very similar, but you don't need to worry about hubs or center-axle disconnects engaging.

Step 1) Jack up the front end and place it securely on jack stands.
Step 2) Verify that the front driveshaft turns by hand. When turning the front driveshaft by hand, the front wheels should turn. (If only one turns, don't be alarmed. One wheel sometimes has more resistance in the brakes, bearings, or CV joints. This is normal)
Step 3) Start the vehicle and let it idle in PARK. Engage 4high. DO NOT PUT THE VEHICLE IN GEAR!!! Crawl underneath and see if you can turn the front driveshaft.
**If you can turn the front driveshaft, the transfer case is not locking. The shift motor could be falsely reading an incorrect t-case position, or it could be a mechanical issue with the case itself. Start a new thread with the results of your checks, and we'll go from there.
**If the front driveshaft does not turn, the transfer case is locking properly and we need to continue searching.
Step 4) With the front wheels in the air, engine idling in PARK, spin one front wheel. The other wheel should spin the opposite direction. If it does, the system should be properly engaged. Safely lower the vehicle to the ground and take it for a test drive. If the wheels do NOT spin in opposite directions, there is a problem with the front differential or axle. Start a new thread with the results of your checks, and we'll go from there.


Keep us updated.

Dec 16, 2010 | 1996 Ford Explorer

1 Answer

Truck indicates it goes into 4high and 4low but doesn't


theres an air actulator on the front axel it is most likely bad it has two vacume line on it that come off trany is what it does is when you put it in 4x4 it locks the front hubs in when it quits working it wont lock them in so its just like its in 2 wheel drive if you have any questions feel free to ask hope this helps
thanks tylor

Nov 22, 2010 | 2002 Chevrolet Silverado 2500HD

1 Answer

F-250 will not go into 4-low, 4-high is ok


Good Evening. 4high is a simple deal to get working. 4low has a few more steps. First of course is starting the truck, shifting down into neutral at a stop then put it in 4low. After doing so then put it down in drive 4low should now be engaged. And to take it back out of 4low simply reverse the operation. Any other questions let me know, becuase if it can do 4high the shifting motor can do 4low.

Aug 11, 2010 | 2002 Ford F250 Super Duty SuperCab

2 Answers

Not sure if the hubs are engaging?


Well, the best way is to place the vehicle on a hoist and raise all 4 wheels off the ground and put it in 4WD and see if all the wheels start turning.

Another way is to make a really sharp (slow) turn while the unit is in 4 wheel high or 4 wheel low on dry pavement. You should be able to feel the driveline wrap-up caused by the front wheels trying to grab during the hard turn.

4 Low should be easily distinguishable from 4 High as well as 2 Whl when you accelerate and it feels like the transmision is stuck in low gear and the engine starts screaming for mercy at high RPM and you are only doing 30 MPH.

Oct 17, 2009 | 2005 Ford F-150

1 Answer

4 wheel drive issues, appears to work in 4low but not 4 high


yes it is the switch. the switches are bad about going out in chevrolets which I am very familiar with. generally speaking if it goes into 4wd period it eliminates the actuator, and it also means t-case is functioning, it is just the selector switch.

Dec 19, 2008 | 2001 Ford F150 Styleside SuperCrew

1 Answer

Stuck in 4 wheel low


On mine you need to put it into neutral and then engage the 4high or whatever dive setting you want funny it only happens when you select 4low - for me atleast

Nov 23, 2008 | 1998 Chevrolet K1500

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