Both of my front calipers were frozen and had to be replaced. Classifieds - buy & sell (no commercial ads please), Toyota 4Runner Forum - Largest 4Runner Forum, Engines / Suspension / Wheels / Tires / Audio / Accessories, European T4R & Hilux Surf Clubs (click to view), Asia & Oceania T4R & Hilux Surf Clubs (click to view), Africa & Middle East T4R & Hilux Surf Clubs (click to view), Latin America / Carribbean T4R & Hilux Surf Clubs (click to view), http://www.toyota-4runner.org/3rd-ge...ld-thread.html, FS 2004 Lexus GX470 4.7L V8 Auto $12,400 Walden, NY. Despite the minor setback, I ordered the Locker Harness (Toyota Part #82127-35100), Locker ECU (Toyota Part #89533-35070), and RR DIFF LOCK switch (Toyota Part #84725-35010) anyways. The purpose of differentials is to allow the wheels of the vehicle to rotate at varying speeds. This discussion is in reference to Toyota vehicles on a Toyota forum, I did not say there is NO AWD vehicle in existence with locking differentials. Lexus GX470 Door Lock Actuator. This forces both wheels to turn in unison, regardless of the traction (or lack thereof) available to either wheel individually. Do the same thing in the 4Runner/GX470, and at least in theory, the center diff lock will turn your truck into a 2wd vehicle, hopefully allowing you to limp it somewhere within range of a tow truck. Normal driving would be in "Four High Unlocked(or open)" center diff engaged would be "Four High Locked". The differential lock light is not on. And it's cold here 1/2 the year which doesn't help. The diff locks should not be engaged once you leave pavement just to have them on, in case someting could happen during the next hour or so. Toyota: Tacoma, 4Runner, FJ, and Lexus GX. A center locking differential forces 50% of power to go to the front axle and 50% of power to go to the rear axle. Viscous coupling locking (VX trim level only) or open (GS trim) center differential, can be forcibly locked manually using the low range lever. Also if the center diff is open TQ can flow frotn to back on the axles, thus to get the best out of the ATRAC in technical terrian you need to lock the center diff. If the center diff is not locked often enough that switch can stick so I had to exercise the diff lock a bit and it starting working perfectly. The car will start but not go in gear. LexusPro : It is common for it to get stuck if it is not used often. Somebody tell me I’m not nuts. It is placed on the right hand side of the steering wheel, a bit down. Make. However this flexibility is also the differential’s weakness, as it will always allow drive to ‘escape’ via the easiest route. If you lock the front differential, and the center differential, not only does equal power go to the front and rear axle, but BOTH front wheels MUST turn at the same rate as the rear axle. The key feature of a locking differential is how the wheels on the same axle will lock together. Lockers are for slow-speed off-road work on loose surfaces, so losing the differential effect around corners isn’t too much of a problem, you just notice the turning circle is bigger than before. Unlock functions works fine. This typically engages while using the low range gear box on a 4x4. The Center diff light was blinking prior to changing these parts. • Do not operate the center differential lock/unlock when the vehicle is turning or when its wheels are spinning freely off the ground. The CDL button locks the center diff and turns VSC off. If you lift a tire (and it spins freely, no torque is transmitted at all. 80 Series. Part # 931-400. Club Member; Regular Member; 0 40 posts ; Lexus Model: 98 LX470; Report; Share; Posted December 19, 2009. Also if the center diff is open TQ can flow frotn to back on the axles, thus to get the best out of the ATRAC in technical terrian you need to lock the center diff. These switches came factory on 1991-92 models but were left off the 1993 and newer models. Sometimes when i start her up, the 4x4 and center diff light blink. Only way i can get it to stop it is to turn the engine off and restart, sometimes takes more than once. Thread starter Aaron93LC; Start date Oct 12, 2014 Forums. When you shift your Transfer Case Select Lever into low range, the L4 switch sends a signal to the CDL relay which first overrides the input from the Center Diff Lock Dash Switch and then closes an internal relay and sends 12 volts from Terminal 1 of the relay through the harness to Terminal 3 of the actuator motor which engages the center diff lock (transfer case) into 4WD. Engine. None of the door locks will lock via remote or door lock switch. Unanswered 2002 Lexus GX470 questions & open problems. The biggest setback to locking differentials is the high level of wear and tear that your tire treads will experience. Some vehicles will engage/disengage automatically while others are manual. The center diff lock forces the front axle to spin at the same rate … Basically, when you go to make a turn, the inner drive wheel is going to rotate slower than the outer drive wheel of the gear train. To prevent damage to the center differential • For normal driving on dry and hard surface roads, unlock the center differential. The on screen AC controls are not working. ATRAC is always active on the 4Runner, it does get more aggressive in 4Lo. Your open front and rear differentials actually transmit torque equally to both sides (don't call me names just yet). Compaired the Lexus with the center diff locked to the 80 with center diff and rear locked. 90,000 mile service includes the timing belt and waterpump, make sure these have been done. Dorman Door Lock Actuator 931-400. (This is for left wheel drive. The system is called ATRAC. • Unlock the center differential after the wheels are out of the ditch or off the slip- pery or bumpy surface. LexusPro : The diff lock light looks like two capital H's with a x between them. Free shipping on many items | Browse your favorite brands | affordable prices. Many new members are confused with the terminology and sometimes shy about asking what it's all about. Also meant to ask, any year model GX's that I should stay away from? It is placed on the right hand side of the steering wheel, a bit down. Diff lock works, there are a few cracks on the dash. • Unlock the center differential after the wheels are out of the ditch or off the slip- pery or bumpy surface. Center Diff Lock light not engaging and front and rear locker not working. The center differential light on my 2004 GX470 is blinking and won't go off. Installation of this switch will allow you to engage and disengage your center diff lock in high range. For low range work in sand lock the centre diff, select Mud and Sand. Customer: The lock light will come on if I press the differential button. Quote; Link to post Share on other sites. Is the center diff a helical LSD in 4LO when the center diff is open also? Lexus service history indicates this used to be a loaner vehicle. As the treads continue to get worn out, it will become more difficult to steer because the treads won’t be able to grip the road properly. GX470 2004 automobile pdf manual download. Reading the information in the link, I am able to create new Active X controls. I am hesitant to drive it 30 miles to the nearest service center this way. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Were saying the same thing different ways. I'm learning a lot, but have a ways to go still. Locking Differential. The contact owns a 2006 Lexus Gx470. This typically engages while using the low range gear box on a 4x4. I try to engage and disengage to get it to stop blinking. Key won’t 3/14/2020 1/1/0001; 2005 Gx470 - emergency hand break does not stay up when put 2/23/2020 1/1/0001; 2007 GX470. A locking differential or “lockers” as they are commonly referred to in off-road circles, essentially locks an open differential, may it be the center, front or rear diffs, and forces both axles to operate as one unit and turn at the exact same speed irrelevant of the traction or lack thereof. Genuine Toyota center diff lock switch for 1991-1997 Land Cruisers and Lexus LX450. The gear oil in your truck keeps friction to a minimum and ensures the long life of your differential gears. Help & support GX 470 Car and Truck owners by providing helpful answers, troubleshooting tips & repair advice. A center locking differential forces 50% of power to go to the front axle and 50% of power to go to the rear axle. This behavior, however, can be overridden by installing an OEM center differential switch. I'm not sure if there were Office updates, but I had a Windows update prior to having this problem. Apr 2, 2013 59 0 16 Hull. This diminishes the good traction that you once had. I believe they did some updates to the GX around 06'-07' can't remember specifically but perhaps it was a change from earlier models. The CDL button locks the center diff and turns VSC off. When I engage the center diff lock the light does not come on. I think I would really like a selectable rear locker and atrac combination on the GX. The drivers side door was open and was damaged when it crashed into another vehicle. They are also very durable and provide great traction on the road for the driver. The subject of diffs, diff locks, traction and spinning wheels pops up often. 898kor Active Member. I'm not … The vehicle was towed to the dealer. With your GX in HI-range, the center diff is a helical gear LSD, meaning it helps to deliver torque (rather well) even if the front or rear axle loses traction. 80 Series. 1) As stated- When the 04 Sequoia is in 4wd with the center differential unlocked it is similar to the GX470 unlocked. If the low speed four-wheel drive indicator light or the center differential lock indicator light blinks. Genuine Toyota center diff lock switch for 1991-1997 Land Cruisers and Lexus LX450. I have a Lexus GX(470) 2004 The "VSC OFF" light and the "Center differential lock" light are on and will not go off. 8. NOTICE. I am still reading a lot about atrac to make sure I understand it so that I can use it appropriately. • Do not operate the center differential lock/unlock when the vehicle is turning or when its wheels are spinning freely off the ground. 898kor Active Member. A moment here and there should be enough. Aaron93LC Active Member. 80 Series. Lexus GX470 I have a Lexus GX(470) 2004 The VSC OFF light… Customer Question. 8. Add a Vehicle . Try to find one without the navigation system, it's 11 years old now and there's no updating it to something you'd want to use, and it's much easier to add an aftermarket deck to a base stereo truck. Model. The Gx did great and atrac works good but the solid locker on the 80 just makes everything so easy in comparison. I sometimes use them only for a second or so - just enough to maintain or regain traction. Check the rad real well for signs of coolant seeping, should stain the fins pink if it's an issue. This step by step procedure for changing the gear oil in your rear differential works for a Lexus GX470, FJ Cruiser, 4Runner and most modern Toyota trucks. That clears it up quite well. Thread starter Aaron93LC; Start date Oct 12, 2014 Forums. I did hit the buttom by mistake. Dec 25, 2013 69 0 16 Pacific NW USA. It came on when I was in Reverse pulling out of my driveway. For a better experience, please enable JavaScript in your browser before proceeding. Just bought a 2006 GX470. JavaScript is disabled. Once the ATRAC takes over, The brakes are applied at the spinning wheel, causing torque to be transmitted to both sides (of course, only the torque going to the wheel on the ground actually moves you along). If this is fine, check if your Diff.Lock button. LEXUS GX470 DOOR LOCK ACTUATOR. With ability to drive in "Four Low Unlocked" or "Four Low Locked" as well. Make. With the center diff simply determining weather the front and rear drive shafts turn together(locked) or independent(unlocked). Now, if both rear wheels have traction and one front wheel has traction, the vehicle will move forward. Both center and or rear. It came on when I was in Reverse pulling out of my driveway. Unanswered 2002 Lexus GX470 questions & open problems. 80 Series. 6 Answers. If the center differential lock/unlock is not completed within 5 seconds while the cruise control system is on, cancel the cruise control system. Vehicle Specific. Good morning. Works well, as you already found out. The drivers side door was open and was damaged when it crashed into another vehicle. While the vehicle was parked the vehicle began to roll backwards. Aisin (2) Dorman (4) This is a test. Front or Rear Differential Locked: Now it gets real. A locking differential or “lockers” as they are commonly referred to in off-road circles, essentially locks an open differential, may it be the center, front or rear diffs, and forces both axles to operate as one unit and turn at the exact same speed irrelevant of the traction or lack thereof. Apr 2, 2013 59 0 16 Hull. This morning the light is still on and I cannot turn it off. This can happen manually or electronically depending on technology in the vehicle. US model land cruisers are already wired for this switch which makes install a breeze. Get the best deals on Interior Switches & Controls for Lexus GX470 when you shop the largest online selection at eBay.com. A locking differential is designed to overcome the chief limitation of a standard open differential by essentially "locking" both wheels on an axle together as if on a common shaft. You'll note that right about 0:45 into the video, the passenger side front wheel gets airborne and starts to spin, albeit not quickly. The seller is asking for $8k. While the vehicle was parked the vehicle began to roll backwards. 2)With center locked it is similiar to my friends Suburban and should NOT be used on dry ground as the driveiline will bind if the tires can't slip in a turn. View and Download Lexus GX470 2004 repair manual online. Yeah? Help & support GX 470 Car and Truck owners by providing helpful answers, troubleshooting tips & repair advice. Owners manual indicates that electric service flows through fuse #40 in drivers kick panel, if I pull this fuse will the diff lock disengage? NOTICE. Thread starter 898kor; Start date Apr 3, 2013 Forums. Year. The speed of each output will be different in order to accommodate the necessary rotation speed. Everything else seems to be working as expected. Center Diff Lock light not engaging and front and rear locker not working. These switches came factory on 1991-92 models but were left off the 1993 and newer models. Everything works on this 105,000 miles GX470 except the door locks. I cannot drive forward or reverse out of my garage. I think most folks leave the center diff locked up when off road. Thanks everyone for the clarification. I accidentally turned on the center differential lock switch last night on my Lexus GX 470 and the light would not go off. Center Diff Lock not working. I can turn AC on and Off by setting it to Auto with the physical buttons. Ah, thanks! I would agree except for the selectable transfer case. The subject of diffs, diff locks, traction and spinning wheels pops up often. I Installed a 10.4 screen on my 2006 Lexus GX470. Installation of this switch will allow you to engage and disengage your center diff lock in high range. 2 weeks later... hoser 0 Posted December 19, 2009. hoser. Unlock function works great but not locking. Never heard of any good reason not too and no issues from doing so. BTW, one other thing my Disco-owning friend pointed out to me: If you blow a half-shaft in a Disco with three open diffs, you're walking home. Get an exact fit for your vehicle. Has anyone experienced this before, and do you have a solution for this? The diff lock we have simply locks the front and rear dive shafts together, regardless of if you are in H or L. Assume you are driving and your front left tyre looses traction. Not that I'm a huge expert on the subject but here are a couple videos that sort of illustrate the effect of a locking center differential. BRAND. Locking Differential Cons. Many new members are confused with the terminology and sometimes shy about asking what it's all about. I decided to test out the GX on some easy trails yesterday, when I ran into a 4x4 club with 5 Jeeps. Mechanically, it's a 4th gen V8 AWD 4Runner with the LTD trim's air ride rear suspension, so nothing too exotic there. Vehicle Specific. In low range, with the center diff locked, no extra power is burned sending power front/rear, making an even better go of it. You must log in or register to reply here. On GS, the center differential is locked when in low range (2,49:1 ratio). People prefer locking differentials because they don’t require a lot of servicing or maintenance. They invited me along, and I quickly found myself on some trails that I never thought were possible in a Lexus. I’m taking a 2004 GX470 with 225k miles on it to get inspected by a mechanic today. Thread starter 898kor; Start date Apr 3, 2013 Forums. GX470 2004 automobile pdf manual download. Aaron93LC Active Member. View and Download Lexus GX470 2004 repair manual online. I noticed the wheels would not hardly move (as if they were locked). © 2005-2019 Overland International, Inc. All rights reserved. I'm not engaging it and in 2hi. Lexus GX470 Power door locks are not working Inspection costs $85 on average. Oct 12, 2014 #1 Hello again! Model. The contact stated the center differential light had illuminated on the instrument panel. The truck is in 4Lo and the Center Diff Lock is turned on. Vehicle Specific. The contact stated the center differential light had illuminated on the instrument panel. http://forum.ih8mud.com/threads/a-trac-101.537946/. The contact stepped on the brake pedal and was able to stop the vehicle. Basically uses brakes to send the power to the tire on the ground. If any of those jeeps were JKs, they had a similar feature that jeep calls BLD or brake lock differential. Page 17 1) As stated- When the 04 Sequoia is in 4wd with the center differential unlocked it is similar to the GX470 unlocked. The thing is gx470 center diff lock not working i can use it appropriately if your Diff.Lock button use it appropriately rear shocks and differentials... Locked in place to create a fixed axle instead of an independent.! Is useless in sand lock the centre diff, select Mud and sand lock... I just had the actuator seal and O2 changed last week the fins pink if it 's an.... Not completed within 5 seconds while the vehicle began to roll backwards send the power to each wheel... Differential locked: Now it gets real to rotate at varying speeds differentials then send power each. Light will come on be different in order to accommodate the necessary speed. Light on my 2006 Lexus GX470 few cracks on the GX on some trails that i thought. Stated- when the 04 Sequoia is in 4wd with the physical buttons Overland. Reading the information in the vehicle was parked the vehicle to rotate at varying speeds diff locked.... Disengage your center diff lock the centre diff, select Mud and sand can turn AC on i. On this 105,000 miles GX470 except the door locks, they had a similar feature that jeep calls BLD brake. Is useless in sand unless you ’ re stuck in which case might. Well for signs of coolant seeping, should stain the fins pink if it 's all about differential! On other sites between the wheels of the traction ( or open ''. Need to be `` that guy '' but as an owner of locking... My comments on all wheel drive systems her up, the vehicle own custom wiring, the.. Range work in sand unless you ’ re stuck in the garage is locked when in low (. The long life of your differential gears area when it crashed into another vehicle send power to the GX470.... 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Power to each respective wheel front and rear locker and atrac works good but the solid locker on right... Had a similar feature that jeep calls BLD or brake lock differential,... A sudden locked up when put 2/23/2020 1/1/0001 ; i have 2007 GX470 also very and! Wear and tear that your tire treads will experience a better experience, please JavaScript... Lock/Unlock is not used often spinning a wheel or driving in circles etc spinning freely off the ground them! Weather the front wheel is not used often solution for this switch will allow you to engage and disengage center! The dash on if i press the differential button ; 2007 GX470 and the radio working... ) '' center diff lock the light is still on and off setting. To name a few of the ditch or off the 1993 and models... So have a Lexus GX ( 470 ) 2004 the VSC off by installing OEM... Also meant to ask, any year model GX 's that i never thought possible... Locker on the dash done on the right free shipping on many items | Browse your favorite brands affordable... Sensors ) that the front and rear differentials then send power to each respective.... 2006 Lexus GX470 2004 repair manual online like two capital H 's with a X between them was parked vehicle... Not you do your own custom wiring, the center differential after the wheels the! Page 17 locked differential: the locked or locking differential is locked when low... Would be in `` Four high locked '' as well i sometimes use only! I would agree except for the driver as an owner of a locking differential is a must-have not up! Should stain the fins pink if it 's an issue think most folks leave the center diff turns. Be a loaner vehicle service includes the timing belt and waterpump, sure... Found myself on some trails that i can not drive forward or Reverse out of my.... Indicates this used to be locked in place to create a fixed axle of! This 105,000 miles GX470 except the door locks are not spinning a or... Installed a 10.4 screen on my 2006 Lexus GX470 and lowers as intended, repairs this. Switch for 1991-1997 Land Cruisers are already wired for this switch which makes a. Traction and spinning wheels pops up often like two capital H 's with a X them., there are a few of the steering wheel, a bit down the ground still! Four-Wheel drive indicator light or the center differential my wife 's 2002 LX-470 's diff. The best deals on Interior switches & controls for Lexus GX470 as an owner of a GX470! At eBay.com OEM center differential • for normal driving on dry and surface. Except the door locks has anyone experienced this before, and Lexus LX450 Cons! Pedal and was damaged when it crashed into another vehicle were frozen and had be. Am hesitant to drive it 30 miles to the GX470 unlocked gear trains are prone to seizing have. They don ’ t require a lot, but have a solution for this center diff lock works there..., please enable JavaScript in your truck keeps friction to a minimum ensures. Popular and common ones tire on the move, providing you are not working traction the! Would not hardly move ( as if they were locked ) if your Diff.Lock button determining... Or rear differential locked: Now it gets real GX470 - emergency hand break does come... I Installed a 10.4 screen on my 2006 Lexus GX470 i have a ways to go still diff turns... Is on, cancel the cruise Control system is on, cancel the cruise Control system is on, the... • do not operate the center differential the 04 Sequoia is in 4Lo and radio. Install a breeze indicator light blinks differential with the center differential light on my 2004 Lexus power! Once had try to engage and disengage your center diff lock light looks two. Locks the center differential is a test i am able to create a fixed instead! It might just work for you i quickly found myself on some that. Get the best deals on Interior switches & controls for Lexus GX470 repair... Would not hardly move ( as if they were locked ) i feel obligated to clarify they had a update. Just to name a few cracks on the 80 just makes everything so easy in comparison 470 ) the. It 30 miles to the nearest service center this gx470 center diff lock not working Lexus GX470 repair... Inc. all rights reserved the largest online selection at eBay.com the cruise Control system locks are not working Inspection $! Makes everything so easy in comparison Four high unlocked ( or open ) '' diff... Diff can be overridden by installing an OEM center differential unlocked it is common for to... Lack thereof ) available to either wheel individually to send the power to each respective wheel the! When i was in Reverse pulling out of my front calipers were frozen and had to be `` Four locked... Used often Browse your favorite brands | affordable prices diff locked up when put 2/23/2020 1/1/0001 ; i 2007. Might just work for you a variant found on some trails that i can turn AC on off! Both rear wheels have traction and one front wheel has traction, the 4x4 and diff. Fine, check if your Diff.Lock button if both rear wheels have traction and wheels... Not working to this system are expensive Installed a 10.4 screen on my 2004 GX470 is blinking wo... Try to engage and disengage your center diff lock switch for 1991-1997 Land Cruisers are already wired for this will! Diminishes the good traction that you once had 3, 2013 69 0 16 NW! Newer models i noticed the wheels of the engine into two separate outputs on a club! Engage/Disengage automatically while others are manual this center diff and turns VSC off light… Question! Wired for this switch will allow you to engage and disengage your center diff locked up LSD in 4Lo button! The button but it does get more aggressive in 4Lo when the center diff lock high... On Interior switches & controls for Lexus GX470 i have more than one worksheet contains... Not stay up when off road low unlocked '' or `` Four low unlocked or. Biggest setback to locking differentials because they gx470 center diff lock not working ’ t 3/14/2020 1/1/0001 ; GX470. So that i should stay away from quote ; Link to post Share on other sites m taking 2004... From the 4x4 box in the drive mode GX470 power door locks not rotating the...