Questions tagged [4wd]

A vehicle drivetrain that can apply power to all four wheels/tires. This capability is "on demand" and is switched on/off by the operator. This tag is differentiated from the AWD tag for this reason. This option is usually found in trucks and SUVs, but may be found in cars on a more limited basis.

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31
votes
3answers
15k views

Difference between FWD/RWD/4WD/Part-Time 4WD/AWD?

I'm curious as to what are the particular difference between the various drive systems available in modern vehicles. FWD and RWD are pretty straightforward - Front Wheel Drive cars put the power to ...
24
votes
3answers
18k views

Why do pickups and large SUV's use 4x4 and generally not AWD?

In almost every case I can think of, the larger vehicles with four wheel power are 4x4, and the smaller ones AWD. As far as my experience goes, AWD is much more convenient, and also works at least as ...
21
votes
4answers
4k views

How do I roll my 4x4 vehicle back onto its wheels?

I go 4-Wheeling A LOT with groups in Arizona. A slow speed rollover is a relatively frequent event. You just get a bit to much lean on the vehicle trying to navigate a difficult section of a trail ...
16
votes
2answers
11k views

What happens to a car when it hasn't been driven for 12 years?

I'm hoping that I'll soon be the owner of 2l turbo charged, 4wd hatchback that's been sat in a garage, undriven for over a decade. Trouble is that I won't be able to give it a full inspection until I ...
12
votes
2answers
2k views

4x4 for sports cars (street use)

As some of you may know from this question i am currently rebuilding my car. The plan is to rebuild it from scratch. An important part is the engine. At the moment there is a 1.4l 8V petrol engine ...
11
votes
5answers
18k views

Can I drive my 4WD 4Runner in front wheel only?

I recently had the misfortune of having my 1997 4Runner's rear diff lock up because of a leak and then no gear oil. Unfortunately to add to that the frame and major members are very rusted/rotted. ...
11
votes
3answers
13k views

2013 Toyota Tacoma flashing 4x4 light on dash

My friends Tacoma has the flashing green 4x4 light going on the dash. I read the instructions regarding putting it into 4 wheel drive, 2 wheel drive and 4x4 low and nothing changed. We drove it to an ...
10
votes
9answers
82k views

Will different tread depths hurt my 4 wheel drive?

I have a Ford F150 4x4. The front 2 tires treads measure 12/32, one rear is 6/32 and the other is 10/32. The dealership told me I should replace the rear 2 tires because the big difference in tread ...
8
votes
2answers
12k views

Sidewall of my tire has a tear, can this be repaired?

I have a Subaru Legacy 5.0i wagon, which has all-wheel drive. Taking a right turn yesterday, my rear passenger tire bumped on a curb. About 20 minutes later the tire was flat. There is an 'L' ...
8
votes
1answer
5k views

Does 2WD mode save me gas over AWD(auto) mode?

My 2015 Nissan Pathfinder has a switch for 2WD, AWD (auto), and 4WD Lock. Do I save gas by keeping it in 2WD? Or it doesn't matter because it's still the same drivetrain and it simply doesn't apply ...
7
votes
4answers
30k views

Manual transmission difficult to put into gear. Do I need a new clutch?

I have a 1998 Jeep Cherokee Sport, manual transmission (the 6 cylinder model, I believe 4.0L). It has 4 wheel drive. I've lent the car to some friends recently who were 'rusty' with their manual ...
7
votes
4answers
9k views

Alternative reverse light switch

I am about to take me ute to get a "safety" certificate so that I can get it registered (QLD, Australia) and I have one issue left that is still a possible problem. The switch that operates the ...
7
votes
1answer
938 views

Why do open differentials drive the wheels on the ground when a vehicle drives on two?

In this youtube video, a Toyota FJ cruiser in Saudi Arabia drives up on two wheels while 5 people get out and remove the wheels on that side. https://www.youtube.com/watch?v=MQm5BnhTBEQ This turns ...
6
votes
1answer
528 views

Using 4wd on snow/dry pavement bad for 2012 Pathfinder?

Just bought a 2012 Nissan Pathfinder LE. I live in Colorado where the weather can be pretty random and very location specific. This creates areas of the town where snow may be covered in some areas ...
6
votes
2answers
3k views

Honda Pilot 2008 4wd problem

I have a Honda Pilot 2008 and using it to pull a tent trailer. The trailer is 2200Lb and is within specs for the Pilot. This is a variable 4 wheel drive transmision, this means I can change the amount ...
6
votes
2answers
11k views

2000 Chevrolet Silverado - Clicking Noise From Front Differential

I have recently noticed a clicking noise from the front differential on my 2000 Chevrolet Silverado when traveling at low speeds (under 10 MPH, but I'm sure it's always there, but it's too fast/too ...
5
votes
1answer
26k views

Why does my brake pedal go to the floor when i start the truck up?

My Ford F250 4x4 brake pedal goes to the floor when you start the truck and stay's to the floor until you shut the engine off then it returns? The brake booster, master cyl, rotors, pads, brake lines, ...
5
votes
2answers
300 views

Leaf spring preparation

I have a 1973 series 3 landrover, and have been fortunate to pick up some replacement leaf springs with much less wear than my existing set. The vehicle is moderately stock, but has a 6 cylinder ...
5
votes
1answer
3k views

Is vacuum line still necessary with manual locking hubs on an F350?

Several years ago, on my gas engine 2003 F350, I replaced my auto locking hubs with Warn manual hubs. Recently I am experiencing the dreaded A/C defaulting to the defrost vents under low vacuum ...
5
votes
1answer
445 views

2012 FJ Cruiser shudder

My 2012 FJ Cruiser has just over 20k miles on it. It behaves oddly when going from stopped to moving, especially when stopped on a decline. The vehicle, when going from stopped to moving, will ...
4
votes
3answers
2k views

What Mitsubishi van is this?

This is a Mitsubishi van; it says it's a 4x4. Does anybody know model or year?
4
votes
1answer
73k views

How to tell if the Control Arm is bad too, or just the ball joint

I have a 1997 Ford Expedition 4WD truck that has a LOT of wiggle on the front left tire. I'm assuming that this is caused by a bad ball joint. Is that a safe assumption to make? Assuming that it is, ...
4
votes
1answer
207 views

What is this part called? (Rear wheel lock ?)

I need help finding how to open this part, but first I have to know what is it called. This part is supposed to be a Lock that connects the Drive shaft to the differential on a KIA Sportage. I have ...
4
votes
1answer
115 views

jeep compass 2012 with 4wd locker on, only one rear wheel spins

With my Jeep Compass 2012 when 4wd locker is on (I see it ON on the panel as I pulled locker), So I noticed that when I was parking at full of now parking lot, my front wheels stopped spinning, and ...
3
votes
3answers
404 views

do all quattros have shafts connecting front and rear axles

I have recently purchased a 2009 Audi A5 Quattro, and in looking underneath the car there does seem to be a place for a shaft to connect the front axle to the rear axle (which you would expect) but ...
3
votes
3answers
32k views

What does PRNDSB means?

My Daihatsu Mira does not have any manual, Its an automatic car with TurboEngine and Gear with PRNDSB. What does all these means? My car is four wheel drive as I can see rear differential in it. If ...
3
votes
2answers
748 views

Why does using the low range of a 4WD transmission give better acceleration?

If I my 2007 Forester transmission into its low range, which has a ratio of 1.6 I think, it will accelerate faster (eg. From 0 to 100 km / h). Why is this? below is a picture.
3
votes
3answers
139 views

Forgot 4wd on on jeep patriot

I have a Jeep Patriot 2.0 crd 2007 with 4wd. I went fishing and used the 4wd when leaving. Once i hit the tarmac i forgot to switch it off and drive 10 miles to home doing a speed of 50MPH. Is this ...
3
votes
1answer
1k views

Gear Oil coming out of the breather accumulator after water wading

I have a Force Gurkha 4 x 4 2017 model with 18000kms on it. A few days back, I was involved with flood rescue operations in my home state of Kerala, India. The car was driven in Bonnet deep water for ...
3
votes
2answers
46 views

Body spot welds all let go - what's going on?

2004 Nissan. Have been feeling like the hood and front part of the body (i.e. fenders) really move around a lot when off pavement (washboard logging roads, etc). Feels like the whole truck was ...
3
votes
1answer
4k views

2003 Dodge Durango - Can I take the front drive shaft off and drive the vehicle?

I most likely have a messed up front differential on my 4x4. I was wondering if I can just take my drive shaft off and run it on RWD only? Can I just remove the universal joint pin and retain the ...
3
votes
2answers
314 views

2003 Yukon 5.3 with 278,000

At 70 mph and about 2000 rpm, I have noticed that when i lightly press on the accelerator, the rpm will rise but speed will not increase. i press a little harder and the rpm will come back down to ...
3
votes
1answer
388 views

Broken tubes underneath 2000 Dodge Ram 1500

2000 Dodge Ram 1500, Laramie V8 - 5.2L While trying to figure out why the 4WD light flickers on and off (when in 2H, it is off while stopped, will come on or flicker after 15-20mph, may randomly go ...
3
votes
2answers
5k views

Z71 package details for old body style, late 1990s, GMC Sierra

For GMC Sierra pickup trucks back in the old-body style late 1990s (1996, 1997, 1998) (not the new-body-style and more recent from 1999 onwards), what features made up the Z71 package? I always ...
3
votes
1answer
114 views

Bump start a 4WD standard in 2WD or 4WD on low traction ground

This is really more a hypothetical question than IRL but I'm curious as to the correct procedure in case I find myself caught in this scenario (which is a little more likely than you might think). ...
3
votes
0answers
433 views

1999 Ford F250 XLT Super Duty won't go into 4-wheel drive low

So I have a 1999 Ford F250SD XLT 4×4 that won't go into 4-wheel drive low. It's a manual shift 4×4. What can cause this? When I put it in 4-wheel drive high, the 4×4 dash light comes on but it ...
2
votes
1answer
2k views

How to determine tire compatibility [93 4runner]

I have a 93 Toyota 4runner with 31/10.5-15, if I understand the conversions correctly that would be a 267/76/R15 in metric. I am looking at replacing these tires and have found a set of 235/75/R15's ...
2
votes
2answers
228 views

Ford Ranger stuck in 4wd (hi)

I have an '02 Ford Ranger with the 4x4 Off-Road package with a 5-speed manual transmission. I can also shift with a physical stick between 2wd, 4hi, neutral, and 4lo. I had put it into 4lo while ...
2
votes
1answer
126 views

Trans case on 1999 Dodge Ram noise

I have a 1999 Dodge Ram 1500 5.2l V8. And I am hearing a chain like noise when at higher speeds (50mph+.. of course in 2wd) after I left off of the gas and when I step on the gas. The noise is ...
2
votes
3answers
20k views

How serious is this tear in the tire sidewall?

I accidentally hit the sidewall of the curb and it caused a small looking rip/tear. Do you think the tire is still good or should I replace it. I have a 4WD.
2
votes
1answer
79 views

Replacement tires, can it blow my trans case, or anything else?

Two weeks ago, I had a couple of used tires put on the front of my 1998 Jeep Grand Cherokee V8 Ltd 4X4 at a regular tire place. They did not have the same tires as was on the back which are P225 70R ...
2
votes
1answer
931 views

Toyota Hilux Surf 1998 Stuck in Park and speedometer and odometer not working

I just bought a 1998 Hilux Surf. It has an automatic gearbox. When pressing the brake the drive selection should be unlocked, but it does not. I need to use the "red button" to unlock the drive ...
2
votes
0answers
103 views

Gear oil boiling and burning in front differential

When I engage 4WD on my (normally rear-wheel drive) Toyota Hilux (KUN26R) and give it some hard job to do (like drive the front wheels on a 10cm high sleeper lying on the ground, or just turn the ...
2
votes
0answers
45 views

New Brakes and Rotors… but still grinding sound

So I have a 91 Toyota pickup, 4wd and 4 cyl-22r engine. I just replaced the rotors and brake pads and bled the system. When I went to drive it after the install, I got about 300 feet away from my ...
2
votes
0answers
376 views

BMW e83/2008 X3 rear wheels skidding at low speed turns

After replacing worn gear in transfer case actuator servo motor, I noticed that rear wheels appear to be skidding on dry surface when I try to brake or accelerate at low speeds with steering wheel ...
2
votes
0answers
50 views

1998 cherokee sport 4x4 hydraulic clutch problems

The clutch in my 19 98 Jeep Cherokee four by four feels like its frozen. The transmission will not go into any gear, including reverse. Whether the car is started, or not.
2
votes
0answers
28 views

vehicle will only pull when in 4 low. its a5 speed. at first it just happened to reverse but now it's the forward gears too

My 4x4 5 speed s10 blazer will only go when it's in 4 low. When it first happened it was only reverse but now it's the forward gears too
2
votes
0answers
211 views

Ford Courier 2005, Cant engage 4wd high gear

I have 4wd Ford Courier 2005, I cant engage into 4 high gear.
2
votes
1answer
87 views

1991 ford explorer 4x4 metal screeching

I just bought this vehicle, and it never did this when I test drove it. While I was driving it made this metal screeching noise, and second or two later the noise went away and the rear of the vehicle ...
1
vote
1answer
3k views

Most reliable used off-road with good fuel economy (for travelling expeditions) [closed]

What is the most reliable used off-road (awd/4wd/4x4) vehicle for occasional traveler expeditions to more remote areas of Eastern Europe, Russia, Middle East or Africa? Requirements: highest ...