I had a problem w/ noise and took it in to the dealer. Part of the problem was the steering system hose leaking which was covered under warranty but the other part was not replacing the rear differential fluid according to the scheduled maintenance. They had to drain it twice to stop the noise. Can i make the case that it wasn't my fault they had to drain it twice instead of just once to fix the problem? Also they want me to get the 30K miles service done for around $700...does that sound high?
Rear Differential Fluid on 2006 Acura MDX
by M.U. in Chantilly, VA on September 04, 2009
1 answer 1 comment
ANSWER by Oakman on September 04, 2009
You don't say how many miles are on your 2006 Acura MDX so I don't know how far past the 30k interval you are. The more complex our vehicles become the more critical the scheduled maintenance becomes. I have heard of other cases from other manufactures where it takes more that one differential drain and refill to take care of a noise issue. What happens is this. The differential fluid is quite thick so no matter how long you leave the drain plug out there will still be a good amount of the old fluid left inside. When the new fluid is added it begins a cleaning process where buy the new fluid cleans all of the remaining old fluid from the moving parts inside the differential. The new fluid becomes quickly contaminated but not nearly as severely as the original fluid. When the fluid is drained for the second time enough of the contamination is removed so that when new fluid is added again all is quiet. If it was not your fault the fluid was dirty who's was it? Please check the repairpal estimator for cost information related to your 30k service.
COMMENT by M.U. on September 04, 2009
My mileage is a little over 26K (not even at 30K yet). Also, I have a friend who also has an MDX and even though he never replaced the rear differential fluid (MAYBE at 50 & 100K miles), he has 180K miles on it and has no problem with his MDX. So why does mine already have this problem at less than 30K miles?
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