2009 Rear Differential Leak - Page 2
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Thread: 2009 Rear Differential Leak

  1. #11
    Super Moderator Carbuff2's Avatar
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    Perhaps the issue is NOT with the diff...


    Have you unbolted the driveshaft/propshaft to check the universal joints? Any 'notchiness' in those rear joints could be vibrating the diff and contributing to a leak. I see a lot of rust in your pictures.
    Atwell "Buff" Haines
    '06 AWD CR-V, 5 speed MT!
    '07 Fit Sport, 5 speed MT!
    North NJ

    To be old and wise, you must first be young and stupid.


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  3. #12
    crv|oc Rank: Member
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    Quote Originally Posted by Carbuff2 View Post
    Perhaps the issue is NOT with the diff...


    Have you unbolted the driveshaft/propshaft to check the universal joints? Any 'notchiness' in those rear joints could be vibrating the diff and contributing to a leak. I see a lot of rust in your pictures.
    Thank you for more information, I will take a look at it this weekend, will let you know....

  4. #13
    crv|oc Rank: Member
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    Quote Originally Posted by Carbuff2 View Post
    Perhaps the issue is NOT with the diff...


    Have you unbolted the driveshaft/propshaft to check the universal joints? Any 'notchiness' in those rear joints could be vibrating the diff and contributing to a leak. I see a lot of rust in your pictures.
    So you think the vibration of drive shaft/or failed U-joint also happens on this generation of CRV?

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  6. #14
    Super Moderator Carbuff2's Avatar
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    Quote Originally Posted by guodaorong View Post
    So you think the vibration of drive shaft/or failed U-joint also happens on this generation of CRV?
    I have had U-joints cause issues like this on several cars and Jeeps that did not have zerk fittings (grease fittings) on the U-joints.

    IMO, it's only a matter of time. I lube my joints with spray silicone every oil change...so far so good.
    Atwell "Buff" Haines
    '06 AWD CR-V, 5 speed MT!
    '07 Fit Sport, 5 speed MT!
    North NJ

    To be old and wise, you must first be young and stupid.


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  7. #15
    crv|oc Rank: Freshman
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    If you could go back would you have bought the 8 year Honda Care to repair your Rear Differential Leak ? I just bought a new 2017 and wanted any advice you may have. I can get Honda Care for 8y / 120k for about $1000. thanks

  8. #16
    crv|oc Rank: Member
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    Quote Originally Posted by billyrule View Post
    If you could go back would you have bought the 8 year Honda Care to repair your Rear Differential Leak ? I just bought a new 2017 and wanted any advice you may have. I can get Honda Care for 8y / 120k for about $1000. thanks
    I have this car close to 7 1/2 years, 88000 miles. I enjoyed every moment before I recently found a few problems.

    First advice is follow manual, especially like rear differential oil change interval, etc, and another important thing is once you feel something is wrong, don't wait, google or visit this site/or similar site, before go to your mechanic or honda dealer. Every brand/type car has typical problems therefore typical solutions/suggestions were already documented online by previous users.

    I never visited honda dealer even once after I bought this car, except recall of course.

    Back to my car, I don't have any problem in 7 1/2 years. I followed manual/instruction/online suggestion pretty well.

    One thing I neglected is coolant, I never checked coolant level in the past 8 years (I know, very stupid). I found out, a week ago, that coolant leaked from the radiator and coolant reservoir was actually empty.......

    Second, valve cover gasket may also leak...I see oil stain mixed with dirt around the gasket...this should be a easy fix. Hopefully not related to engine running too hot (I never saw temp gauge weird)

    The third problem is the one you already know...rear differential...

    For your car, I am sorry I don't have suggestion due to different engine (Turbo?), transmission (CVT?) and possibly many other new stuff Honda is putting in this generation.

    If I want to buy another Honda again? It depend on how my CRV behave after these problems got fixed.....

    Up to now, I still like Honda CRV.
    Last edited by guodaorong; 02-16-2017 at 02:59 PM.

  9. #17
    crv|oc Rank: Member
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    Quote Originally Posted by Carbuff2 View Post
    I have had U-joints cause issues like this on several cars and Jeeps that did not have zerk fittings (grease fittings) on the U-joints.

    IMO, it's only a matter of time. I lube my joints with spray silicone every oil change...so far so good.
    I haven't drove this car for a week, this morning I saw real differential oil dripping down...I guess this means the pinion seal is already broken, regardless the driveshaft vibrates or not.

    Just want to know if the procedure of changing the seal is similar to that on other cars or is there anything special I need to pay attention to?

    Tomorrow I will check the U joint you mentioned earlier, by the way, do you think driveshaft from wholesaleimportparts is reliable? this seller was suggested by a of couple CRV owners in this forum I believe.

    Thanks a lot, learning a lot here everyday.....
    Last edited by guodaorong; 02-17-2017 at 08:34 AM.

  10. #18
    Super Moderator Carbuff2's Avatar
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    No experience with replacing the seal, sorry.

    You might want to BUMP one of the wholesaleimportedparts topics to see if anyone can provide feedback. Around here, there are several driveline specialists (and 4WD/Jeep specialty shops) that can do a good job on u-joints, even the crimped-on Honda ones.
    Atwell "Buff" Haines
    '06 AWD CR-V, 5 speed MT!
    '07 Fit Sport, 5 speed MT!
    North NJ

    To be old and wise, you must first be young and stupid.


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  11. #19
    crv|oc Rank: Member
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    Quote Originally Posted by Carbuff2 View Post
    No experience with replacing the seal, sorry.

    You might want to BUMP one of the wholesaleimportedparts topics to see if anyone can provide feedback. Around here, there are several driveline specialists (and 4WD/Jeep specialty shops) that can do a good job on u-joints, even the crimped-on Honda ones.
    Nothing was done on the car recently, interestingly the leak was getting less and less, no dripping on the garage floor, no clear formation of oil drop at the bottom of the rear differential...I just finished a 120 mile driving...still looks OK... don't know why, but will leave it as it is now....keep figures crossed...

  12. #20
    crv|oc Rank: Member
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    it was cold for the past few days, more leaking...

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