- #338 of 398
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Re: 2007 Honda AWD CRV Differential Problems [njlou1960]
by mickd
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Jun 24, 2009 (3:06 am)
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Replying to: njlou1960 (Jun 23, 2009 5:36 pm)
I have a 2007 CR-V. I heard the grinding sound on sharp turns and had the differential fluid changed at no charge (after some discussion) at my dealership. That was at around 30K miles. The sound has not returned. I now have 63K miles and am planning a cross-country road trip soon so I made an appointment to have the fluid change again. The cost will be $59.99. I don't think this is unreasonable. This is my 2nd CR-V and 3rd Honda. No, I have never had to do this with any of my other cars. Sure, it would be nice if Honda admitted that there is a problem here. But Honda makes great cars. I will continue to own Hondas and considering the low cost of owning a Honda in general, I will just consider this maintenance, just like oil changes. (What bothers me more is NOT changing my oil every 3-4K miles).
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- #339 of 398
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Re: 2007 Honda AWD CRV Differential Problems [mickd]
by tedtcb
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Jun 24, 2009 (5:50 am)
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Replying to: mickd (Jun 24, 2009 3:06 am)
Mickd Writes: (What bothers me more is NOT changing my oil every 3-4K miles).
Why don't you? I change my oil every 3K, always have, always will
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- #340 of 398
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Re: 2007 Honda AWD CRV Differential Problems [njlou1960]
by blueiedgod
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Jun 24, 2009 (8:37 am)
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Replying to: njlou1960 (Jun 23, 2009 5:36 pm)
Well, add another to the list. I encountered the same "grinding" noise, a friend said it could be the differential. I did my net search, found this forum as well as others before taking in my CRV to the dealership. When I took it into the dealership, they told me they would look at it and let me know. They called me 2 hours later and told me the differential fluid needed to be changed (32k), would do it for free. That is when I told them I was aware of TSB07-21 and and TSB07-24. During my conversation, the :"shift" was always towards consumer blame on behalf of the dealership and claimed that the manual does state changes every 15-20K(not). They agreed to do the fluid change and burnishing free of charge this time, but told me there would be a charge in the future, as if they expect it to happen again. My main concern is what happens if the differential locks up? I have the Honda Care extended warranty, but it states that "mechanical breakdowns due to contaminated fluids are not covered". The way Tsb07-24 is worded is "noise from contaminated fluid" appears to indicate a loophole for convering differential replacement resulting from their problem. Should I contact Honda Corporate? Concerned my $$$ was wasted on the extended warranty for defective craftsmanship................
How is changing differential fluid a defective craftsmanship? Sounds like part of regular maintenance regimen.
However, since we are all experts on what defective craftsmanship and what is not, on these boards...
Please tell us, in your expert opinion, what do you expect the dual pump fluid to last (distance and time) in this particular application?
Also, what chemical modifications would you, as an expert, perform to prolong the life of the dual pump differential fluid?
Perhaps provide a sample chemical formulation for the new and improved dual pump fluid that satisfies the regimen outlined in the first suggestion.
Feel free to use organic and inorganic friction and viscosity modifiers, and bear in mind the cost limitation of the per quart value that average consumer is willing to pay.
Thank you. Looking forward to expert's advice.
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- #341 of 398
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Re: 2007 Honda AWD CRV Differential Problems [blueiedgod]
by steve_ HOST
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Jun 24, 2009 (9:38 am)
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Replying to: blueiedgod (Jun 24, 2009 8:37 am)
The fluid should last as long as the owner's manual says it should. I assume Honda breaks it down by miles/time and normal or severe service. Is the manual wrong?
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- #342 of 398
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Re: 2007 Honda AWD CRV Differential Problems [steve_]
by tedtcb
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Jun 24, 2009 (10:18 am)
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Replying to: steve_ (Jun 24, 2009 9:38 am)
Steve writes: Is the manual wrong?
You're joking right?
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- #343 of 398
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Re: 2007 Honda AWD CRV Differential Problems [tedtcb]
by steve_ HOST
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Jun 24, 2009 (10:22 am)
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Replying to: tedtcb (Jun 24, 2009 10:18 am)
No.
And I change my oil every 7,500 miles too. Just like my manual says to do. Any more frequent is just a waste of good oil imo. I guess it's fine if you are one of those oil change hobbyists but that's not me.
Why wouldn't you want to follow the service recommendations as published by Honda. Don't you trust their engineers?
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- #344 of 398
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Re: 2007 Honda AWD CRV Differential Problems [tedtcb]
by mickd
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Jun 24, 2009 (10:31 am)
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Replying to: tedtcb (Jun 24, 2009 5:50 am)
The last time I had the oil changed (at around 5K/ 60% on the maintenance minder) the mechanic said I was wasting my money to do it more often than when the maintenance minder got down to 20-30%. He said he used to work for a Honda shop and these cars are so "efficient" that the oil just doesn't need to be changed more often. I am old school and it just feels WRONG to go that long. But I am not the expert...
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- #345 of 398
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Re: 2007 Honda AWD CRV Differential Problems [mickd]
by tedtcb
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Jun 24, 2009 (9:22 pm)
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Replying to: mickd (Jun 24, 2009 10:31 am)
For my first 15- 20 years as a Honda owner, I changed the oil myself.
For the least 10-15 my mechanic does a “service” every 3K. We drive 240 miles a weekend up north and back and the way I figure it, yes, it’s overkill, but no one ever robbed life from a vehicle by changing the oil too much.
Did I forget to mention that I also change my transmission fluid with every fill up? 
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- #346 of 398
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Re: 2007 Honda AWD CRV Differential Problems [tedtcb]
by tidester HOST
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Jun 24, 2009 (10:37 pm)
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Replying to: tedtcb (Jun 24, 2009 9:22 pm)
Did I forget to mention that I also change my transmission fluid with every fill up?
Weren't you the guy who said you could change your transmission fluid in 30 seconds flat? 
tidester, host
SUVs and Smart Shopper
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- #347 of 398
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Re: 2007 Honda AWD CRV Differential Problems [tidester]
by tedtcb
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Jun 25, 2009 (4:07 am)
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Replying to: tidester (Jun 24, 2009 10:37 pm)
No tidester, you're confusing me with some other lunatic
t
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