Q7 MK 1 Discussion Discussion forum for the Audi Q7 SUV built from 2005 to 2015

Accidentally pulled out axle from front differential.

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Old Apr 9, 2025 | 04:19 AM
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Magnus.H's Avatar
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Default Accidentally pulled out axle from front differential.

Hey
hoping for some advise.
I was changing the front, left outher cv joint today, tried to pull it off without removing the whole cv axle.
Lost my grip of the axle while tapping the outher cv joint and the whole hub where the inner cv is bolted came loose (pulled out the axle from the differential) no oil came out and it slid back in nicely.

have tried find a diagram of how this is assembled in the differential without luck.
Have i possibly ruined anything by doing this or should it be ok?

edit : From what I can see on part diagrams the filler seems to be lower than the axle tube so at least the oil should not be an issue 😅

thanks in advance for answers!

Last edited by Magnus.H; Apr 9, 2025 at 10:46 AM.
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Old Apr 9, 2025 | 05:53 PM
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'10Q7TDI_Prestige''s Avatar
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OK, not sure why you'd just not replace the entire CV axle unless it's just a ripped boot ya replacing, but I digress. CV axles are relatively inexpensive if you shop around online. Saving money on repairs for this car equates to finding great parts for less $$$, and owning a great VAGCOM scan tool.

The inner axle has a circlip that holds it in the differential splines...that's the important bit to pay attention to. If you did it right, then the axle should feel 'locked in' when you just pull on it by hand. The tapping action you did was enough to compress the circlip and allow it to disengage, etc. If it pulls out easily, then locate the metal circlip/locking piece and reposition it correctly, etc.
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Old Apr 9, 2025 | 08:38 PM
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The boot was ripped, looked like it had been leaking for a while, that’s why I’m changing the joint. This is a bonus job I found while changing out some squeaky bushings and they happened to have the joint in stock locally.

Then I think I’m good! Thank you. It had some slight resistance going in and felt well seated once in place. I’ll give it another good tuck at reassembly to make sure.
thanks 😊


Originally Posted by '10Q7TDI_Prestige'
OK, not sure why you'd just not replace the entire CV axle unless it's just a ripped boot ya replacing, but I digress. CV axles are relatively inexpensive if you shop around online. Saving money on repairs for this car equates to finding great parts for less $$$, and owning a great VAGCOM scan tool.

The inner axle has a circlip that holds it in the differential splines...that's the important bit to pay attention to. If you did it right, then the axle should feel 'locked in' when you just pull on it by hand. The tapping action you did was enough to compress the circlip and allow it to disengage, etc. If it pulls out easily, then locate the metal circlip/locking piece and reposition it correctly, etc.

Last edited by Magnus.H; Apr 9, 2025 at 11:29 PM.
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