Courier CT update: first problem detected
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Thread: Courier CT update: first problem detected

  1. #1
    Senior Member Raidin's Avatar
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    Courier CT update: first problem detected

    Yesterday, after I changed my transmission fluid, I was told that I have my first real issue. A rear main seal leak. It's not bad, but were I to repair it, it would cost $2,000 at the dealer, and maybe a little less at my mechanic's. The dealer told me this is a 12-hour job.


    My mechanic also told me this could have been caused by debris in the oil that made it past the filter. Since I run long OCIs (Oil Change Intervals, currently 26,000 miles), that may have allowed something to make it past the filter. He suggested I look into bypass filtration again. Long story short, I once looked into that to increase my OCIs but the cost difference wasn't worth the trouble. Since the filter on the bypass system is finer than the standard oil filter, it may be worthwhile just to avoid problems like this down the road.


    I don't plan on fixing the leak right away, only when it's necessary. Just in case I run into another issue down the road where the transmission has to come out anyway.


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  3. #2
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    I thought the transmission was sealed and oil could never be replaced !!


  4. #3
    Senior Member stormchaser's Avatar
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    Oil can be changed in the gearbox on a CT. it's not sealed.
    Which rear seal has gone?
    Do you mean the rear crankshaft oil seal on the engine?
    If so there is no way that will cost $2K.


    Sent from my iPhone using Tapatalk

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  6. #4
    Senior Member Raidin's Avatar
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    Quote Originally Posted by stormchaser View Post
    Oil can be changed in the gearbox on a CT. it's not sealed.
    Which rear seal has gone?
    Do you mean the rear crankshaft oil seal on the engine?
    If so there is no way that will cost $2K.


    Sent from my iPhone using Tapatalk
    It's literally called the Rear Main Seal, and as I understand it, it's the one that's between the crankshaft and the transmission. It costs $2k at the dealer because it takes 12 hours of labor, because you have to disassemble the floor of the car and take the inverter and transmission out to get to it. A private mechanic would charge closer to $1500. If I need it done, I'm going to ask him to do it if he's comfortable with it.

    Right now, at 25,000 miles on the oil, with 1,000 more miles to go before my next oil change, I am above the full mark on the oil dipstick, so the leak is negligible.

  7. #5
    Senior Member stormchaser's Avatar
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    That's interesting. I've never known the crank seal to go on one of these yet. A cheap seal yet an awkward fix.
    Good luck in getting it done.


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