Mk1 Technical : AWD Malfunction / Haldex servicing info

Author: tarmo120
Subject: AWD Malfunction / Haldex servicing info
Posted: 06 Apr 2018 at 7:05pm

mimietti wrote: tarmo120 wrote: mimietti wrote: martinw, I have exactly same problem. The flanges has rusted together so heavily that I can't disconnect them either. The mechanic said that it might break the propshaft if more force is used. Before next service I plan to inject some rust removal aerosol around the connection so hopefully it will come off. Hopefully it will not break the propshaft... There should be 2 holes between the bolt holes in the Haldex side of coupling flange. You can use a pin and hammer to take it off. As far as I remember, the holes were not threaded. Mine was rusty also. You can try to pull the driveshaft to the front, but that means you still need to disconnect the front end of driveshaft. Yes, noted those holes and mechanic used small pneumatic impact hammer through those holes when tried to release propshaft (front end was disconnected). It did not work. Two shops have tried to release it without success. So it is damn well rusted...

How old is your car? Mine is from 2008 and it has seen al kinds of salt, water and other cr*p. And it took some time, but I did get it open. At home in my own garage that is.
So I assume workshops should be able to do the same.
The tolerances are very tight. Beeing a machinist/engineer, I believe a bit too tight for that purpose.