Differential Unit Problems of Toyota Tundra - part 2

Tl-the contact owns a 2004 Toyota Tundra. The contact stated that there was corrosion on the casing of the rear differential that caused the differential fluid to leak. The vehicle was not taken to a dealer or repair shop for a diagnostic. The manufacturer was made aware of the failure, but offered no further assistance. The approximate failure and current mileage was 128,000. Yn.

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While driving my Tundra 4wd I notice a growling/howling coming from the front of the vehicle. It causes a vibration at speeds from 15-30 mph, it happens in 2wd and the howling is noticed mostly during acceleration and deceleration. I have taken the issue to the Toyota dealer twice for the noise and they said it was normal and was told it was the tires I was using. I swapped tires with a friends truck and had the same issue. What I'm hoping is that it isn't something out of alignment in the front differential housing or axle. I would hate for it to come apart or lockup and put me and my family in an unsafe situation. I saw there was a service bulletin out for 2008 Tundras for the same issue with steps to correct the problem. I haven't seen a service bulletin for 2010 Tundras and want to know if it even exists. I hope this issue will get looked at because being told "that there is nothing wrong" at the dealership is getting frustrating. I can't believe a truck with now 28450 miles is having issues already. I hope this issue will be looked at in the future. Thank you.

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Frame rusting and rear differential rusting out. Frame is corroding from rust. Rear differential has several pin holes causing fluid to leak. These are both known problems with the gen 1 Tundra's. Contacted Toyota customer care and basically told me there isn't anything they can do since the frame recall campaign ended in 2015. I never received notification of the frame recall. I was told that there wasn't any recall fro the differential but that is a very common problem for Tundra's used in ne USA whereby road salt is used in winter. The salt causes frame and differential rust because material used by Toyota is of poor corrosion resistance quality. The consumer iis on their own. Toyota won't do anything even though it's their failure to build the vehicle fit for it's intended use.

Noticed small oil spot in driveway. The differential was leaking. I took it to colonial Toyota in smithfield, ri and they checked it for a recall and told me there was none. They did note the axle was not in good shape and should probably be replaced as the differential is part of the housing. Not ready to drop 3k for a poorly made product. Research and other recalls tell me that the metal used was of an inferior quality and will not hold up in the northeast. Toyota of course, wants no part of this and will not take responsibility for anything. Also had spare tire fall off on highway due to severe corrosion. I cannot understand how this vehicle is not on any recall list, I guess no one has been killed yet. Leak progressively getting worse.

Repetitive growling/whirring sound with vibration at approximately 35 mph at the front drivers side of vehicle. Taken to dealer for diagnosis. No problems found or noted. Taken back to dealer - same symptoms diagnosed as bad front differential in need of rebuilding/replacement.

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Excessive rust throughout underbody and drive train components. Porous, rusted through differential now leaking oil. Rust issues started while vehicle still under 3/36 warranty. Belt tensioner bracket, bracket mount and ball joints at 33,921 miles, sway bar linkages rusted through at 45,168 miles. Both issued repaired as warranty matters. Toyota claims current problem not covered but admits defective material and offers to provide replacement parts only, requiring estimated $770 to complete the repair. Have initiated complaint with Toyota, file number available upon request.

'2006 Tundra dbl cab limited 2x4' the gears in the rear differential broke back in July 2012 at 55000 miles, Toyota dealer repaired it just as my warranty was about to expire then it just happend again on 10-9-14 at 71000 miles, exactly 8 years of the date when I bought it brand new in 10-9-06. Only 16000 miles on the new gears. Either the Toyota dealer didnt repair it right or the Tundras have crappy differentials. Ill never purchase a Toyota again, plus they're over priced.

The contact owns a 2004 Toyota Tundra. The contact stated that he noticed a stain in his driveway and took the vehicle to a personal mechanic for a diagnosis. The contact was informed that the rear differential had completely rusted out and was leaking fluid. The vehicle was taken to the dealer for inspection. The dealer acknowledged that there was an issue, but offered no assistance. The manufacturer was notified but offered no assistance. The vehicle had not been repaired. The failure and current mileages were 50,166.

I believe Toyota sold hundreds, possibly thousands of this type vehicle to customers who asked for a limited slip differential and paid a premium to get one. Many times when on slippery surfaces one rear tire just spins with no traction to the other. My window sticker says I have lsd and I don't. The mechaic at desert Toyota told me I didn't have a LS when he changed my rear dif oil. I couldn't believe what he told me, "no, you have a regular drive rear end. " several months passed and I drove the vehicle down to precision Toyota where I bought the vehicle. They just looked underneath the truck and said I had it. I said I didn't. They pointed to a decal and that was their proof. I asked for a test to be applied to it to prove it but said they were to busy and declined to do it that day. A day or two later I took the vehicle back to desert Toyota where the mechanic worked that said I did not have lsd . When I described my concerns and asked for the mechaic they said he wasn;t available and gave me some other guy. They jacked the rear end up and told me when they spin one rear tire in one direction and the other tire spins in the opposite direction that proves I have LS. But the information I get off the internet and independant mechaics says the opposite is true. . They say if I spin one rear tire in one direction the other should also spin in the same direction. I believe Toyota commited fraud and did not give me what I paid for and will not except the true facts. This rear ends puts me in dangerous slip and slide risks when on slippery surfaces that results in no traction.

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Tl- the contact owns a 2003 Toyota Tundra. The contact stated that while driving 30 mph, he switched from four wheel drive to two wheel drive and the entire front end of the vehicle abruptly and violently seized. The vehicle was taken to the dealer for diagnosis and the entire front differential was replaced. The manufacturer was not notified. The vehicle was repaired. The failure mileage was 120,00 and the current mileage was 125,000. Kmj.

While driving my 2001 Toyota Tundra a leak developed from the rear differential spraying gear oil onto the road and vehicle behind me . I had my vehicle towed to my mechanic for repair . I believed that it would probably be a 2 yo 3 hundred dollar repair for a seal or gasket but was informed that the rear housing cover had rusted thru and that because of the design the only way to repair it is to replace the entire rear axle housing at a cost of a little over $ 2,000 . The vehicle is in very good condition and there is not even rust on any of the fenders . I contacted the Toyota customer experience hotline and explained the problem to both the first person I spoke with and then the follow up with a case manager . They informed me that there was nothing they can do and the only rust issues they would deal with are with the rear frame . My experience with older vehicles that had completely rusted bodies and frames never had differentials rust thru . I am being forced to get rid of a vehicle that I purchased new in 2001 due to a poorly designed part . Not only is this a design flaw with an unservicable part but also a safety issue with fluid spewing from the rear end onto the roadway and vehicles traveling from behind. Also after researching this problem on the internet I discovered that it is a widespread problem with the first generation Tundras that Toyota refuses to address .

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The contact owns a 2003 Toyota Tundra. The contact took the vehicle in for unrelated repairs when the dealer informed him that the rear differential was leaking and corroded. The dealer advised having the component replaced but the vehicle was not repaired. The current and failure mileage was 107,000. The VIN was unavailable.

The contact owns a 2002 Toyota Tundra. The contact noticed an oil leak after parking the vehicle. After he inspected, he saw that the rear differential was leaking the oil the vehicle was taken to an authorized dealer where the contact was informed that the entire axle housing had rusted completely, thus leaking oil. . The contact called the manufacturer who stated that they would call him back and determine if they would assist with repairs. The failure mileage was approximately 89,000. Updated 01/14/11 the entire differential needed to be replaced. Updated 04/19/11.

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I have a 2003 Tundra access cab 4wd truck. Took it to the Toyota dealership for the rust recall inspection and to investigate oil leaking from the rear differential housing. Dealership said that the frame was fine but the cross members and tank supports need coating. They also advised that the rear differential housing was rusted to the point that oil is leaking and would have to be replaced. They said that Toyota is not responsible for the replacement of the rear axle housing. The vehicle has 108k miles. I can not believe that with all the known rust issues that Toyota will not stand behind this problem.

The contact owns a 2007 Toyota Tundra. The contact stated that when she depressed the brake pedal, the vehicle would jump and vibrate. The failure was becoming progressively worse. The contact called the manufacturer who stated that the failure could be within the rear differential but there was no remedy at the time of the complaint. The manufacturer stated that they would notify the contact when a solution was available. The failure mileage was approximately 26,000. The current mileage was approximately 30,000.

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Excessive rust pretty much everywhere. Just had to replace the rear differential and associated parts because rust caused differential leak. Cost was over 3,500. Replaced rusted brake lines and calipers. Tailgate wire rusted and broke. Opening mechanism to tailgate is rusted and is extremely difficult (if not impossible) to open/close. Rear bumper is rusted through, and not safe to step on. Hitch receiver is completely rusted and cannot remove hitch now. Skid plate and brackets rusted through - skid plate fell off. Dealer just inspected the truck and will be replacing the entire frame because of excessive rust.

I find it interesting that my 2002 Toyota may be recalled due to the spare tire mounting being rusted. I have been very disappointed with this truck since the gas tank the rear differential cover and fuel lines have rusted through. I bought this vehicle due to the Toyota reliability reputation. Would you please review the frequency of rust on these areas and issue what ever recalls appropriate.

Rust on everything under the truck as well as the rear bumper. Parts that have had to be replaced because of rust and/or rust perforation or need to be replaced: 1) entire frame ¿ perforation greater than 10mm found on passenger siderail 2) rear differential (leaking from rust perforation) 3) brake lines 4) power steering line (leaking from rust) 5) skid plate (support brackets rusted - fell off while driving) 6) brake calipers (multiple times) 7) coil springs 8) axles (front and back) 9) control arms 10) cv- joint 11) boots 12) hitch receiver 13) exhaust 14) muffler 15) camber bolt 16) multiple sets of tires (unable to align tires properly due to rusted/seized camber bolt) causing premature tread wear. 17) brake drums (warped and pitted) 18) wheel bearing 19) truck tailgate support wires ¿ wires rusted and broke. Tailgate won¿t open/close without extreme effort because it is not aligned properly. 20) shocks/struts 21) seals, brackets, nuts and bolts - the parts listed above is not complete. Basically, everything you see under the truck is suffering from extreme rust and/or perforated. *truck has had a horrible shimmy for years that no one has been able to figure out, particularly bad when towing. Steering wheel shakes violently as well as the entire truck. Improved slightly when rear differential and axles were replaced. Most likely related to frame warp or instability. *truck has had issues with getting in and out of 4wd. Inconsistent with how long it takes to get in and out of 4wd. There is a loud and jarring clunk when engaging or disengaging 4wd. *truck feels like it is on the verge of going out of control when a hole or bump is hit. The truck will literally jump sideways. *traction stability control comes on randomly when hitting a bump or hole. Another mystery to mechanic.

I'm the owner of a 2003 Toyota Tundra (limited slip differential) sr5 4x4. In Apr I brought my truck into the universal Toyota dealer here in san antonio TX to replace a missing clamp and for a rumbling noise coming from underneath the truck. The first mechanic said he couldn't hear the noise, and again I brought the truck back in Jun as the noise was getting worse. The lead mechanic then heard it and said that the noise is coming from the differential and that he has another Tundra doing the same thing. I asked that he call the Toyota tech line to inquire/report this. He notified me the next day that the Toyota tech person said that this is a normal sound and not to worry about it. However I do have some safety concerns as I don't believe this to be a "normal" indication of what a differential should sound like.

2004 Toyota Tundra with a limited slip differential. On wet payment, if both wheel spin at the same time ( loose traction), the truck bed will kick left and put the truck into a spin. The truck was taken to the dealer and the dealer said the lsd (limited slip differential) was functioning. He asked me which side the truck kicked. I told him left. The dealer has seen this problem before with this truck kicking left. The dealer stated I had to contact Toyota motor sales and file a complaint. This was done and I was refereed to Toyota regional office in FL. I was contacted by them and they told me that the lsd was functioning correctly and that Toyota has no intention of fixing this problem. This problem need to be fixed!.

: the contact stated the 2000 Toyota Tundra that was bought new had a tire problem. While driving on the highway the rear differential locked, the contact lost control, and the vehicle caught on fire. There were five people in the vehicle and all occupants were injured. The dealer inspected the vehicle, and determined the failure was due to a lack of oil in the vehicle.

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Actuator prong broke, caused wheels to lock up, sent vehicle into uncontrollable skid; vehcile had to be moved on flatbed truck to dealer for repair.

4x4 system will grind gears and pop out of 4-lo back to 4-hi.

There is a vibration in the fron drive train between 30 and 40 mph. It only occurs when the vihicle is cold and goes away after several miles of driving. I have contacted Toyota and they say it is a normal condition and will not work try to fix the problem. They claim it is comming from the front differential.