Removing Rubber Mounting For Front Final Drive

Information

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Foot pump

The spindle T10254/5 has a rated load of 9 tonnes and must only be loaded with a pressure of 200 bar.
Use a protective helmet with a visor.
Use protective gloves.
Do not actuate the > VAS 6179 - foot pump pedal - at the same time as the pressure relief valve -Arrow- .
Connect > VAS 6179/1 - pressure gauge with connecting line and - read off the pressure.

Remove stone guard -1- .
1. 1.1 Unclip clips -2- .
2. 1.2 Remove stone guard -1- .
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Stone guard
Support rear axle housing -1- .
1. 2.1 > VAS 6931 - Engine and gearbox jack must be positioned under the rear axle housing -1- .
2. 2.2 Place a suitable piece of wood -2- underneath.
3. 2.3 Also secure the rear axle housing -1- with > 9454 - strapping belts .
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Rear axle housing
Unscrew screws on rear axle housing at the front -1- by 4 cm.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Screw on rear axle housing, front
Lower the rear axle housing -1- .
1. 4.1 Unscrew screw -2- .
2. 4.2 Lower the rear axle housing by 4 cm -1- using > VAS 6931 - engine and gearbox jack .
3. 4.3 Press differential -3- up over the cardan shaft.
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Rubber mounting for front final drive
Check that the T10254/5 - spindle can be inserted through the through-bore in the inside of the rubber mounting for the front final drive.
WARNING:
Risk of damage or injury from foreign bodies flying around during grinding, drilling and milling
- Risk of eye injuries
  1. → Wear protective goggles.
If the T10254/5 - spindle cannot be inserted through the through-bore in the inside of the rubber mounting for the front final drive:
Drill out rubber mounting for front final drive -2- .
1. 6.1 Place a suitable object between the rubber mounting for front final drive -2- and final drive so as not to damage the threaded bore on the rubber mounting for front final drive.
2. 6.2 Position drill -1- with drill bit on the rubber mounting for front final drive -2- and drill out the through-bore in several steps.
  1. Step 1, drill bit diameter: 11 mm
  2. Step 2, drill bit diameter: 11.5 mm
  3. Step 3, drill bit diameter: 12 mm
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Rubber mounting for front final drive

Information

If necessary, the support may have to be screwed out and the support T10205/13 with the small internal diameter from the > VAS 6178 - Hydraulic cylinder may have to be screwed in instead.

Information

You will need a second mechanic to help you with this step.
> T10254 - Assembly fixture must be fitted.
1. 7.1 Fit T10254/5 - spindle -8- with pin facing downwards into rubber mounting for front final drive.
2. 7.2 Fit T40186/1 - pressure piece -2- on rubber mounting for front final drive.
3. 7.3 Screw on T10254/4 - nut -1- .
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Assembly fixture on rubber mounting for front final drive
WARNING:
Hold the hydraulic cylinder -VAS 6178- tightly while pressing out components.
- The rubber mounting suddenly becomes loose. Danger of injury if the tools fall down.
Information

When removing and pressing in the differential bearing, make sure that T10254/5 - spindle is not touching the threaded bore of the differential or adjacent components.
> T10254 - Assembly fixture must be fitted on rubber mounting for front final drive. Then, press out rubber mounting for front final drive.
- T10254/4 - Nut -1-
- T40186/1 - Pressure piece -2-
- Rear axle housing -3-
- T40033/3 - Pipe -4-
- T10205/4 - Support ring -5-
  - VAS 6178 - Hydraulic cylinder-6-
- T10254/4 - Nut -7-
- T10254/4 - Spindle -8-
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Assembly fixture on rubber mounting for front final drive

Information

Mountings that have been pressed out must not be re-used.
Replace rubber mounting for front final drive.