Overheating/Lack of Ventilation May Cause Rear Axle Seals to Leak on Nissan Titan

Overheating and/or lack of proper venting can cause the rear axle seals to leak. Excessive fluid loss can result in major damage to the rear differential assembly and/or axle bearings.

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Average mileage: 93,196 (32,000–208,900)
Drive Trains affected: 2WD, 4WD
8 model years affected: 2004, 2005, 2006, 2007, more2008, 2009, 2010, 2011
70 people reported this problem
49 people shared problem details
2005 Nissan Titan- 4WD50,423
This rear axle is mis-designed from the start it eats axle seals like candy. The axle shaft is supported by a single tapered roller bearing. Any moron knows it takes 2 tapered roller bearings to support a load. Basic engineering tells us that this single bearing set up is crap.why there has not been a recall is beyond common sense.they recall crap like wires and fans but let this ride. Where is justice... I am replacing mine this time for the last time. Then I will let them leak and saturate the brakes. Then ride the brakes hard down mountains until the piece of crap burns to the ground. Then buy a real truck like a gm product!"!!! There is a street justice recall. This makes the third set of seals and breathers evev though the breathers are kept clean.
2007 Nissan Titan- 4WD93,000
When vehicle had 62000 on it I took it to the dealer in Traverse CITY and told him about the vent problem on the rear differential the service manager said he never heard of this. I told him I wanted the vent replaced and he said the mechanic replaced it and I was charged becouse it was not pluged. At 90000 8 months later the pinion bearing started making noise and I took it to a local mechanic he opened the pig and it was full of moisture and he said the vent was never replaced we tried to get parts from nissan and their fix was to replace the whole rear end for 2000 dollars my mechanic found a outlet in Tennessee that just started manufacturing complete seal and bearing kits for this Dana rear end. He mentioned this was a comon problem with Nissan Titans and thats why they started to manufacture these kits. My mechanic said another 100 miles and I would have wiped out all the gears in the rear end. I would think this was a safety issue but Nissan in Traverse City, They have another dealer in Grand Rapids same owner, didnt think so. The seal and bearing kit will save you 1800 bucks so dont let them tell you they have to replace the whole differential.
2005 Nissan Titan- 4WD76,000
Noticed abnormally dirty wheel, closer examination indicated fluid leaking from right rear axle seal.
Right axle seal was replaced at 37,000, again at 93,000 and is leaking again at 137,000. Totally unacceptable costs associated with keeping this vehicle road worthy.
2004 Nissan Titan- 4WD38,000
Both rear seals are leaking on my truck. Quoted over $700 to replace seals. Have read about so many people having the same problem. I can't believe Nissan hasn't had a recall. A lot of people have had to replace at least two times.
2004 Nissan Titan- 4WD134,000
Leaking rear differential.
2006 Nissan Titan- 4WD58,000
Rear axle seal failed and required replacement at my cost of $350.00
2006 Nissan Titan- 4WD42,000
Started seeing fluid behind rear wheels at about 40,000 miles. Keep filling differential fluid every few months since can't afford work done. Finally found mechanic that will replace rear seals/breather less so hope there's no extra damage when they pull it apart. Why doesn't Nissan warranty this problem??? Or at least offer compensation due to design flaw. Dealer wants $35 a piece for seals...
2004 Nissan Titan- 2WD135,000
I heard a whining noise on the way back from a 200 mile trip. Took it to my mechanic and he said the rear end was leaking. He opened it up and there was water in there. He said the rear end was shot. cost me $2300.
2009 Nissan Titan- 4WD63,000
My 2009 titan started bumping and thumping in the rear. I took it to a nissan dealer this morning they told me I needed the whole rear replaced becuase it was all full of water. I do not 4 wheel nor do I own a boat. There needs to be some recall on this!!! bill cost me $3200
2006 Nissan Titan- 4WD114,000
Same problem with moisture inside the rear end and seals leaking nissan says $2600 to replace. This should be a safety recall, diff. Fluid running down near the rear brakes I have filed complaints with nissan and https://www-odi.nhtsa.dot.gov/VehicleComplaint/index.xhtml. still waiting to hear from NHTSA
2005 Nissan Titan- 2WD111,251
Rear-Diff Fluid has to be refilled on regular intervuls. Serious issue!!
2005 Nissan Titan- 4WD186,000
Noise and vibration at 40 - 60 MPH under the truck.
2006 Nissan Titan- 4WD96,000
in the shop now. Rear axle seal failure, rear pinion seal failure, front pinion seal failure. Was there a Nissan recall on these items?
2008 Nissan Titan- 4WD65,000
Axle vent clogged. Rear pumpkin started to leak. Covered under warranty. New vent clogged, both sides started leaking, including rear main.
2004 Nissan Titan- 2WD180,000
Seals are starting to leak and when I shift from reverse to drive I it makes a clunking sound witch I thought was the Ujoints going bad
2006 Nissan Titan- 4WD126,000
Breather clogs. Rear seals blow. Diff damaged
2006 Nissan Titan- 4WD71,000
Blown P/S rear axle seal.
2006 Nissan Titan- 2WD82,000
Nissan Frontier 6 spd MT w M226 Rear End, Tow Option; @30,000 miles, Left rear seal began leaking ABS lite on intermitent, changed rear end fluid and it was clear, added redline Synthetic, noticed that when removaling fill plug the rear end was pressurized. I told nissan tech, about how Niisan was using a pressureized rear end lubrication system (i.e. joke). Despite ABS intermitent Lite on, Nissan Dealer Tech said drive it until it breaks. @ 82,000 miles I could hear a flapping noise, much like the cardboard piece my brother would close pin to his front bicycle wheel frame, noise was clearly heard when rear window was down. Frequency and amplitude were RPM dependent and did not go away if clutch was depressed, ABS lite on all the time now (doesn't this warrant a Safety Recall?). Upon further inspection, it appears the rear end axle breather cap (looks Like Ford 8.8" Breather) was stuck shut. My theory is the rear axle fluid is sticky and when it get hot, it vaporizes on the inside of the pop-up cap, when it cools & cap closes, then it becomes-like it was glued shut. Why does the rear end fluid get so hot, maybe its the sinstered metal spider gears develop more heat? Nissan you owe me mucho denero for this diagnosis, but maybe DANA should pay the tab for this! Also, to all non-techies check and may sure the breather passage hole is thru to axle and clear of debris.
2006 Nissan Titan- 2WD208,900

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