I've just had to jack up the TT front for the first time and was aware of differing views:
1/ Bentley manual says use one of the front, rubber 4 point lift points, with a trolley jack.
2/ Some people have reported bent floors doing this.
Having a look under my TT 225 I could see that the floor had already suffered from some deformation from previous jacking.
Considering the floor construction at this point I can see that the forward side of the rubber mount is reasonably well supported by the bend and almost immediate virtical incline of the floor pan at this point, as it forms into the wheel arch, but the rear side of the rubber mount is 3" or so away from the vertical and on a reasonably flat section of horizontal thin section floor pan - i.e. little vertical support. This might explain why my floor is pushed in higher than it should be at the rear of the mount.
Instead of risking any more damage, I opted for the universal monocoque car design front strong point, which is under the front of the chassis rail as it bends up under the front bulkhead. At this point, the chassis rail heavy gauge metal, is double skinned (in common with most cars) and is extremely strong, as it is designed to resist flexing at the stress point of the bend.
As you can see in the photograph, I used a block of rubber to avoid damage to the underseal. An axle stand can be positoned further down the rail for safety but not taking any load at this single skin section. Excuse the tatty jack and stand - they've seen donkey's years of service!
![Image095.jpg]( "Image095.jpg")
1/ Bentley manual says use one of the front, rubber 4 point lift points, with a trolley jack.
2/ Some people have reported bent floors doing this.
Having a look under my TT 225 I could see that the floor had already suffered from some deformation from previous jacking.
Considering the floor construction at this point I can see that the forward side of the rubber mount is reasonably well supported by the bend and almost immediate virtical incline of the floor pan at this point, as it forms into the wheel arch, but the rear side of the rubber mount is 3" or so away from the vertical and on a reasonably flat section of horizontal thin section floor pan - i.e. little vertical support. This might explain why my floor is pushed in higher than it should be at the rear of the mount.
Instead of risking any more damage, I opted for the universal monocoque car design front strong point, which is under the front of the chassis rail as it bends up under the front bulkhead. At this point, the chassis rail heavy gauge metal, is double skinned (in common with most cars) and is extremely strong, as it is designed to resist flexing at the stress point of the bend.
As you can see in the photograph, I used a block of rubber to avoid damage to the underseal. An axle stand can be positoned further down the rail for safety but not taking any load at this single skin section. Excuse the tatty jack and stand - they've seen donkey's years of service!
, you should see the other one, had it since my teens (20 years ago) 
