AWD Haldex Clutch Differential Leak C0407:64

metalstringdom

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Buick Ownership
2016 Buick Regal GS AWD 2.0L Turbo
I have a 2016 Regal GS AWD. The Haldex unit has two cooler lines going into the driver's side. We have identified that one of them is leaking. This is running down the fluid and causing a code. I am looking for a permanent solution, as it seems nearly impossible to find any information about the cooler line adapter fittings size and parts ordering. The fittings are threaded into the housing and have a captive o-ring with a clip to hold the line in. I understand there may be a dealer kit to correct this? Just curious if anyone found a good solution to this problem.

Thank you for your help.
 

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I have a 2016 Regal GS AWD. The Haldex unit has two cooler lines going into the driver's side. We have identified that one of them is leaking. This is running down the fluid and causing a code. I am looking for a permanent solution, as it seems nearly impossible to find any information about the cooler line adapter fittings size and parts ordering. The fittings are threaded into the housing and have a captive o-ring with a clip to hold the line in. I understand there may be a dealer kit to correct this? Just curious if anyone found a good solution to this problem.

Thank you for your help.
To my amazement, I got a guy on the phone at my local dealership who was able to find them. Hopefully this helps someone else.
 

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