Question about 1999 Toyota RAV4

1 Answer

Rav 4 wheel lock

Wont turn full lock when 4x4 is activated, otherwise in normal mode runs fine.

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  • Toyota Master
  • 20,706 Answers

What is Wont turn full lock. add a noun there. the tire/wheels.?
car buck , steering jams up , fights you, car makes noise.
hates to turn, skids.? BINGO. bad driving.
no road conditions stated, 100 posts like this, all same.
no road conditions stated.

my guess, is your are driving Part time 4wd on pavement
stop its not for pavement, its for ICE or DIRT.
http://www.fixkick.com/part-time-test.html

you car has no center differential read the operators guide
it tells you not to do the, RTM> !!

or by any AWD car. or truck.
read this first, learn how each work the buy the car best for you..

http://en.wikipedia.org/wiki/Four-wheel_drive

Posted on Jan 03, 2014

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Posted on Jan 02, 2017

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  • 1861 Answers

SOURCE: toyota rav 4

I work for Toyota, and I will be glad to provide you with the actual answer:

The RAV/4 product is available in two models, a 4WD model and a 2WD model.
The difference between the two is on the 2WD model, there is no driveshaft going under the vehicle to the rear wheels, and no rear differential. There is no "RAV/2"; both models are called RAV/4's.

There is a lot of common confusuion about how the 4WD works. It is full time 4WD. In other words, it is always in 4WD. It does not "kick in/kick out/automatically engage", or anything like that. It is 4WD all of the time. But, when I say "4WD", that is sometimes mistaken for "all wheel drive", and, in this case, the RAV/4 is not "AWD". What this means is that if you raise the RAV/4 up on a lift, and put it in gear, 1 rear and the other side front tires will spin. True "all wheel drive" would have ALL 4 wheels spinning. This is not the case with the Rav/4. What the RAV does have, making up for not having "True AWD" on the 5 speed model, however, is a switch that locks the center differential in the transfer case, which, when engaged, applies a method of "locking" the 4WD system for maximum traction, but it is still not AWD. The automatic version doe not have this ability.
The last "true AWD" vehicle for purchase was a 1970's International Scout.
If you are considering purchasing a RAV/4, that is a very good investement. They hold their value quite well, and are virtually bulletproof; I do not make any "money" off my RAV/4 customers...
Just "gas station work". Very nice cars. I hope that this helps you, please feel free to comment back with any otherr questions...Glad to be of assistance.
Toyota Ed


Posted on Oct 17, 2008

  • 1861 Answers

SOURCE: knowing when 4 wheel drive is "on" in 08 rav 4

You are quite welcome. Don't worry about the Lock button being on a few times, there is a fail-safe that unlocks it.
...My "new" salespeople has told our customers on a few occasions that the 4WD "kicks in/kicks out"...needless to say, they were quickly corrected. Glad to be of service to you today. The graciousness of a FixYa rating regarding my assistance would be greatly appreciated. Thanks for choosing FixYa for the answer to your question.

Posted on Dec 01, 2008

  • 10 Answers

SOURCE: 1990 toyota 4runner 4x4 wont lock in front wheels

your drive shaft thats turning is mabe broke or your automatic 4x4 lockers could be bad

Posted on Apr 10, 2009

co7196
  • 3433 Answers

SOURCE: Rav 4 headlight wont work

Headlamp doors are vacuum operated. Chk for a vacuum leak.

Posted on Jun 23, 2009

ZJLimited
  • 17970 Answers

SOURCE: why does my 1997 Rav 4x4 slip out of 5th gear on

If you are check at shifter and connecting cables and linkage... and nothing apparently broken, then you have a problem with the fifth gear fork/hub assembly inside the transmission. This is a somewhat common problem with this unit.

Does your RAV pop out of 5th gear at all? If it doesn't, I suggest you replace the transaxle fluid with synthetic gear lube to make sure the gears and bearings are kept well lubricated (if you haven't already done so to improve mpg).

I doubt that holding it in gear will make the 5th gear wear more quickly. It might even slow the wear that causes it to pop out of gear. However, maintaining pressure on the shift lever will increase the wear between the shifter fork and the sleeve, which could eventually compromise shifting into 5th.

Hope this helps.

Posted on Jul 25, 2011

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Can you get free wheeling hubs for a 2003 rav 4 all wheel drive


Not without changing most of the front components out.

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2003 ford f250 superduty 4x4 don't work no indicator light on dash changed4x4 switch module what next?


Check for codes. Usually part stores do it for free. here is how it works.
Principles of Operation

Electronic Shift on the Fly (ESOF) System

The electronic shift on the fly (ESOF) system is an electronic shift system that allows the operator to choose between 2 different 4x4 modes as well as 2-wheel drive. The operator can switch between 2H and 4H mode at speeds up to 88 km/h (55 mph). To engage or disengage 4L, the 4x4 generic electronic module (GEM) requires that the vehicle speed be less than 5 km/h (3 mph), the brake pedal depressed and the transmission in NEUTRAL (or clutch pedal applied on manual transmission vehicles). This system contains pulse vacuum hublocks (PVH). The selector on the hublock, when turned fully counterclockwise to the AUTO position, engages/disengages the hub depending on the driver-selected 4x4 mode of operation. The hublocks also contain a manual override. When the selector is rotated fully clockwise to the LOCK position, the 4x4 vacuum and electronic system used for coupling the front axle to the wheel is bypassed.

The transfer case is equipped with a dual-cone synchronous clutch. This clutch is used to synchronize the front driveline to the rear. All other internals operate in the same manner as the manual shift system. When the mode select switch (MSS) on the instrument panel is turned, the 4x4 module powers the transfer case motor, which activates a shift fork and engages the clutch. When the shift motor reaches the desired position, as determined by the encoder position inputs to the 4x4 module, power to the shift motor is removed. When the transfer case front and rear output shafts are synchronized, the lockup collar mechanically engages the mainshaft hub to the drive sprocket. At this point, the front axle PVHs are engaged. Instrument cluster "4x4" and "Low Range" indicator operation is controlled via hardwired outputs from the 4x4 module.

Electronic Shift Transfer Case

The New Venture Gear NV 273 electronic shift transfer case is a 3-piece aluminium design. The unit transfers engine power from the transmission to the front and rear axles. Under normal driving conditions the unit is in 2-wheel drive high (2H), but when desired, the operator may shift into 4-wheel drive high (4H) or 4-wheel drive low (4L). The transfer case is shifted electronically. The unit is lubricated by a positive displacement fluid pump that channels fluid flow through holes in the mainshaft.

The encoder assembly used for mode indication is of a Hall-Effect type. The system uses a total of 4 independent transistors for mode recognition. Each transistor is associated with a specific range of motor movement. When the circuit to each transistor is closed, a ground path to any of the A, B, C or D encoder pins is accomplished. When the circuit to each transistor is open, the connection to any of the A, B, C, or D encoder pins is pulled to voltage. Mode indication is "decoded" by the 4x4 module based on the varying combinations of signals coming from the transistors.

Hublock Operation

With the hublocks in the Auto position, the 4x4 ESOP system uses timed vacuum sequences to lock and unlock the wheel ends when switching the instrument panel MSS between 2WD and 4x4 modes. A high vacuum level (222 mm or 8.75 in. Hg and greater) is applied to the hublocks to lock the internal spring mechanism that engages (locks) the hublocks for 4x4 mode, and a lower vacuum level (114 to 184 mm or 5.9 to 7.1 in. Hg) is applied to unlock the spring mechanism that disengages (unlocks) the hublocks for 2WD mode. The vacuum signals are supplied to the hublocks by system components, including the 4WD control module or GEM, wiring harness, solenoid, vacuum harness and vacuum seals. As a first step in service, eliminate obvious items such as loose wiring connections, loose vacuum connections or damaged vacuum lines.

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Ok so my 2009 Toyota rav 4 is always in 4 wheel drive so to speak so then what is the 4 wheel lock button on the dash for?


Rav 4 is an all wheel drive vehicle not a 4 wheel drive as in jeep or Landrover. When you press the 4 wheel lock it activates a lock dog in the transfer case that means both front and back axles now drive as long as you have traction on at least 1 axle set. There is no means of allowing the front axle to speed up and slow down in relation to the rear axle ( as in going over a speed bump) and you get axle wind up which puts a load on all the drive train . The faster you go the bigger the load and so it kicks out over 25mph as obviously there is no need to have both front and back locked together at speed . It also makes steering harder to turn

Dec 07, 2013 | 2009 Toyota RAV4

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4 wheel drive will not engage on my 1989 gmc sierra 2500?


actually that first soultion is wrong it is correct on smaller pickups but on the full size pick ups they use a differnet sytem
there a electric actuator on front axle
there be two elctrical plugs on front axle u want the bigger of the two other one is just to turn the 4 wheel drive light on
un plug actuator then remove actuator after it removed plug it back in but leave it out of axle turn key on and shift down to 4 wheel drive the actuator should move out if it dont that your problem if i does move this isnt your problem it either the tranfer case or in front axle

Jan 07, 2010 | 1989 GMC Sierra

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When i put my 03 chevy 4x4 in 4 wheel drive there is a loud popping sound and 4wheel low truck wont move it a push button 4 wheel


you may have a broken transfer box or a damaged locking hub on the wheels that arent used in 4x4 mode, i.e. if your car is FWD unless its in 4-low, check the rear locking hubs for failure. Other wise it sounds like a transmission fault in the aforementioned transfer box or differential.


Oct 23, 2009 | 2003 Chevrolet Silverado 1500

1 Answer

Rav 4 headlight wont work


Headlamp doors are vacuum operated. Chk for a vacuum leak.

Jun 23, 2009 | 1997 Toyota RAV4

2 Answers

1991 jeep cherokee jerks while in 4x4 on turns..


The part time switch in the gearbox is sticking in the on position locking the 4x4 on. It feels and looks really bad because the front wheels are trying to pull the car left or right, while the rear axle is pushing you forward. This is at it's worst when in full lock on road or hard surfaces. This is why 4x4 is for off road only.

Feb 16, 2009 | 1991 Jeep Cherokee Limited

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06 dodge ram full turn in 4X4 feels like its fighting


Yes, it's normal. Make sure you only engage it in 4x4 for tight turns if u are driving in snow, off road, ice, etc. The wheels are trying to turn the same revolutions, and of course the wheels on the inside of the turn have a much shorter distance to rotate than the wheels on the outside, that's why u feel the 'fighting something' u describe. On snow ice sand, there is slippage of the tires possible, on dry pavement there isn't, so u can damage the system (blow it) if u use 4x4 on dry pavement, because something has to 'give', and if it's not the tires slipping on the ice, sand, snow, it might be your system that gives, and that ain't cheap! So only use 4 Lock when necessary.

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1 Answer

Toyota rav 4


I work for Toyota, and I will be glad to provide you with the actual answer:

The RAV/4 product is available in two models, a 4WD model and a 2WD model.
The difference between the two is on the 2WD model, there is no driveshaft going under the vehicle to the rear wheels, and no rear differential. There is no "RAV/2"; both models are called RAV/4's.

There is a lot of common confusuion about how the 4WD works. It is full time 4WD. In other words, it is always in 4WD. It does not "kick in/kick out/automatically engage", or anything like that. It is 4WD all of the time. But, when I say "4WD", that is sometimes mistaken for "all wheel drive", and, in this case, the RAV/4 is not "AWD". What this means is that if you raise the RAV/4 up on a lift, and put it in gear, 1 rear and the other side front tires will spin. True "all wheel drive" would have ALL 4 wheels spinning. This is not the case with the Rav/4. What the RAV does have, making up for not having "True AWD" on the 5 speed model, however, is a switch that locks the center differential in the transfer case, which, when engaged, applies a method of "locking" the 4WD system for maximum traction, but it is still not AWD. The automatic version doe not have this ability.
The last "true AWD" vehicle for purchase was a 1970's International Scout.
If you are considering purchasing a RAV/4, that is a very good investement. They hold their value quite well, and are virtually bulletproof; I do not make any "money" off my RAV/4 customers...
Just "gas station work". Very nice cars. I hope that this helps you, please feel free to comment back with any otherr questions...Glad to be of assistance.
Toyota Ed


Oct 17, 2008 | 2002 Toyota RAV4

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