Question about 1998 Isuzu Rodeo

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When i go to four wheel drive it sounds like the gears are gratin

Sounds like the gears are grating when i drive in 4wd mode. Is this normal?

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  • behappy21 May 31, 2009

    Does not happen in 2wd or 4wd low. Only happens in 4wd high and just sounds like you can hear the cogs grind. Never owned a 4wd before and do not know if this is normal.

  • sthn_truck_a May 11, 2010

    this is not normal gearboxes only grate when there is a problem is it only happening in 4wd or all the time does it **** and grab or just grind what happens when you change gears?

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  • Isuzu Master
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No this is not normal, sounds like the transfer case or the front hubs may be defective, have it road tested by a transmission shop, they should do it for free.

Posted on May 31, 2009

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Posted on Jan 02, 2017

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2002 ford ranger - Where is the 4x4 actuator located


On the transfer case
Transfer Case - Electronic Shift
The four-wheel drive electronic shift-on-the-fly feature electrically shifts the vehicle transfer case between 2WD, 4WD HIGH, and 4WD LOW. The system mode is selected by the operator through the mode select switch (MSS) on the instrument panel. The operator is informed which mode the system is in by two instrument cluster indicators: one for 4WD HIGH which appears as 4WD, and one for 4WD LOW, which appears as 4WD LOW. Shifts into 4WD HIGH can be made at any speed. When shifting into 4WD HIGH with the vehicle stationary, tooth blockage may occur preventing shift completion. When the vehicle is driven above 8 km/h (5 mph) the shift will complete. When shifting in or out of 4WD LOW, the four-wheel drive (4WD) control module requires that the vehicle speed be less than 5 km/h (3 mph), the brake pedal be applied, and the transmission be in NEUTRAL (automatic transmission) or the clutch pedal be depressed (manual transmission).
The gearmotor encoder assembly is mounted externally on the transfer case. It drives a rotary cam which moves the mode fork and range fork within the transfer case between the 4WD HIGH, 4WD LOW, and 2WD range positions.
The four-wheel drive (4WD) control module controls the gearmotor encoder assembly that shifts between 4WD HIGH, 4WD LOW, and 2WD modes.

Mar 17, 2017 | Ford Cars & Trucks

1 Answer

Error message repair 4wd


I guess you probably don't know what transfer case you have ?
SERVICE 4WD
Refer to
?€¢
Transfer Case Description and Operation in Transfer Case - NVG 149-NP3


?€¢
Transfer Case Description and Operation in Transfer Case - NVG 246-NP8


?€¢
Transfer Case Description and Operation in Transfer Case - NVG 261-NP2


?€¢
Transfer Case Description and Operation in Transfer Case - NVG 263-NP1


The NVG 246 EAU provides 5 modes, Auto 4WD, 4HI, 4LO, 2HI and Neutral.
The four manual mode, or range gear positions, of the NVG 261 transfer case are:
?€¢
2HI - 2 wheel drive high range


?€¢
4HI - 4 wheel drive high range, part-time


?€¢
4LO - 4 wheel drive low range, 2.72:1 gear ratio reduction


?€¢
N - Neutral, 4 wheel


The NVG 263 transfer case provides the driver with 4 manual mode/gear positions:
?€¢
2HI - 2 Wheel Drive high range


?€¢
4HI - 4 Wheel Drive high range


?€¢
4LO - 4 Wheel Drive low range


?€¢
Neutral


With the info I've given you ,you should be able too now !
There is probably a code stored somewhere !
DTC B0790 DTC B2725 DTC C0300 DTC C0305 DTC C0306 DTC C0321 DTC C0327 DTC C0359 DTC C0374 DTC C0379 DTC C0550.

Jan 31, 2015 | 2004 Chevrolet Silverado 2500

1 Answer

Imitsubishi shogun engaging 4 wheel drive


no year?
never drive, part time 4wd on pavement, unless said pavement
is ice or snow covered.
only AWD allows pavement (tires direct upon) driviing.
part time 4wd is for offroad , off pavement driving,
this is because 4wd has no center differential.
http://en.wikipedia.org/wiki/Four-wheel_drive

and with out such, winds up the drive line fast. and breaks it.

wiki states (no year stated by you)
Part-time four-wheel drive was standard on all models. to 1991
then came
ActivTrak 4WD
cept
4H (high-range full time four-wheel drive), 4HLc (high-range four-wheel drive with locked center differential) and 4LLc (low-range four-wheel drive with locked center differential
so do not use LOCKED on pavement. on active track. only 4H
the wiki states the Super-select is retained 2006 to present.
Super-Select 4WD II

read the glove box manual under 4wd

Oct 16, 2013 | Cars & Trucks

1 Answer

Front differential?


Sounds like the transfer case is not engaging into 4wd. It has a solenoid or actuator, but it could be damaged inside too.

Jul 03, 2013 | 2007 Chevrolet Silverado 2500HD

1 Answer

I don't have the owners manual, and have never owned a 4x4 in the past, as stupid as this sounds i don't know the proper procedure to engage 4 wheel drill hi


you have a lever or switch that engages 2wheel normal driving 4 wheel high for wet slippery conditions ,then you have four wheel low for real muddy and deep snow conditions
normally change from 2 wheel to four wheel high on the move .important nearly all 4 wheel drive vehicles must be stopped to engage low otherwise do damage to transmission

Sep 13, 2011 | 1999 Dodge Ram 2500 4WD

2 Answers

When I'm in 4 wd the front wheels feel like the brakes are being applied when I make a sharp turn. No problems when driving straight or in 2 wd.


It sounds like you are driving in 4wd drive on dry pavement. The front drive axles do not work like the rear differential. When you turn, the outside front wheel must travel farther than the inside wheel, therefore they are traveling through the turn at different speeds. If you are on dry pavement, this causes the gears to bind. You don't notice this on slick surfaces because the outside wheel will slip instead of bind up the gears. You should not use 4wd on dry pavement. That's the advantage of push button, or shift on the fly, 4wd. You can shift back to 2wd when you encounter dry pavement. All wheel drive vehicles don't have this problem because they have a limited slip front differential as opposed to a locking differential on 4wd. Hope I didn;t confuse you too much.

Dec 21, 2010 | 2004 Ford Ranger

1 Answer

Hi all experts! I have a problem with the jeep and need some advice. I have a Jeep Grand Cherokee 4.7 L / 1999, gasoline engine. the other day, I felt the car was driving only with rear wheels even when...


With low miles such as you have, It would be expected that the four wheel drive should not fail. Especially if it is not frequently used.
your vehicle has a quadratrac system which simply means it operates in two wheel drive and engages 4 wheel drive when the rear wheels begin to slip. The device that enables that to happen is inside the transfer case...It is called a fluid coupling. You have another similar device that you can see...the clutch device on your mechanical fan. The coupling is filled with a grease that expands and drives the locking mechanism. Expansion is caused by heat (caused by slip in the rear).
Sounds great, but often the grease escapes causing a malfunction. It can also be damaged by unequal tire heights.
A transfer case is not user friendly when it comes to rebuilding. (unless you have experience)
Things you can check are the lube level in the transfer case, also try to clumb a steep slippery grade and have someone watch to see if the front wheels engage. If not check the axle joints and make sure the front differential is turning the front axles (wheels off the ground, turn each wheel while someone holds the other and see if the driveshaft turns.) if everything looks good then likely the problem is inside, likely the coupler.
As far as how low gear works, some I've seen get difficult to engage from lack of use. But, if the transfer case is in need of work that is all part of the same unit so it does not matter. Low is used for driving very slow pulling a heavy load.
I can't tell you exactly what's failed because I can't see/hear it. but I hope the info I gave you helps you to understand and do some checking.

Nov 30, 2010 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Clunking from front end in 2WD


ASE mechanic here:
check the king pins in the front end and the u joints for any kind of play. sounds like front end play while four wheel drive is engaged and stills is affected for a while when two wheel drive is activated. this year truck most definitely has a manual four wheel linkage that could be the problem too. try lubing up any moving linkage and i would shift it in neutral. keep me posted

Jan 25, 2009 | 1989 Ford F 150

1 Answer

Intermitent loud clunk in front end while in four wheel drive


May be the locking hub. Do not drive this vehicle on dry pavement in four wheel drive.

Dec 26, 2008 | 1989 Ford F 150

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