Installing Rear Side Member

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Porsche Cayenne, 2017 Porsche Cayenne, 2016 Porsche Cayenne, 2015 Porsche Cayenne, and 2014 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Apply adhesive.

Fig 1: Applying Adhesive To Rear Side Member
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 1.1. Evenly apply adhesive to the marked areas.
  Working with body structural adhesive → 5X00IN WORKING WITH BODY STRUCTURAL ADHESIVE
Fit and secure rear side member.
Spot-weld rear side member using inert gas.

Fig 2: Identifying Spot-Weld Rear Side Member Area
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Apply adhesive.

Fig 3: Applying Adhesive To Rear Side Member
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 4.1. Evenly apply adhesive to the marked areas.
Weld in center floor section.

Fig 4: Identifying Weld In Centre Floor Section
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 5.1. Resistance spot-weld center floor section.
2. 5.2. Plug-weld center floor section in the area -A- using inert gas.
3. 5.3. Spot-weld center floor section in the area -B- using inert gas.
4. 5.4. Slot-weld center floor section in the area -C- using inert gas.
5. 5.5. Apply a full weld to center floor section using inert gas.
  
  Fig 5: Identifying Slot-Weld Centre Floor Section
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Information

When welding slots, make sure that both edges of the slot are welded through.

Fig 6: Identifying Slot Welding Rear Side Member
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Slot-weld rear side member using inert gas.

Fig 7: Identifying Slot Welding Rear Side Member (1 Of 2)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Fig 8: Identifying Slot Welding Rear Side Member (2 Of 2)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Weld in rear side member.

Fig 9: Identifying Weld In Rear Side Member
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 7.1. Resistance spot-weld rear side member.
2. 7.2. Plug-weld rear side member using inert gas.
3. 7.3. Spot-weld rear side member using inert gas.
Weld in rear side member.

Fig 10: Identifying Plug-Weld Rear Side Member
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 8.1. Plug-weld rear side member using inert gas.
2. 8.2. Resistance spot-weld rear side member in the area -A- .
Weld in rear side member.

Fig 11: Identifying Resistance Spot-Weld Rear Side Member
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 9.1. Slot-weld rear side member using inert gas.
2. 9.2. Spot-weld rear side member in the area -A and B- using inert gas.
Resistance spot-weld rear side member.

Fig 12: Identifying Resistance Spot-Weld Rear Side Member
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Weld in rear side member.

Fig 13: Identifying Weld In Rear Side Member
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 11.1. Spot-weld rear side member using inert gas.
2. 11.2. Resistance spot-weld rear side member.
Weld in rear side member.

Fig 14: Identifying Spot-Weld In Rear Side Member
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 12.1. Spot-weld rear side member using inert gas.
2. 12.2. Resistance spot-weld rear side member.
Weld in wheel housing reinforcement.

Fig 15: Identifying Weld In Wheel Housing Reinforcement
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 13.1. Fit and secure wheel housing reinforcement at dimension -A- .
  → Distance: 326 mm
2. 13.2. Resistance spot-weld wheel housing reinforcement.
  
  Fig 16: Identifying Resistance Spot-Weld Wheel Housing Reinforcement
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. 13.3. Plug-weld wheel housing reinforcement in the area -A- using inert gas.
4. 13.4. Spot-weld wheel housing reinforcement using inert gas.
Apply adhesive.

Fig 17: Applying Adhesive To Rear Side Member
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 14.1. Evenly apply adhesive to the marked areas.
Weld in rear floor section.

Fig 18: Identifying Weld In Rear Floor Section
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 15.1. Resistance spot-weld rear floor section.
2. 15.2. Plug-weld rear floor section in the area -A- using inert gas.
Install boot floor plate. → 532455 REPLACING REAR TRUNK FLOOR PANEL - section on "Installing"
Install (inner) rear wheel housing. → 536855 REPLACING (INNER) REAR WHEEL HOUSING - section on "Installing"
Install D-pillar reinforcement (section). → 533055 REPLACING REINFORCEMENT FOR D-PILLAR (SECTION) - chapter on "Installing"
Fill rear side member with foam.

Fig 19: Filling Rear Side Member With Foam
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 19.1. Fill rear side member with foam through the opening in the side member, in marked area -A- . → 5X00IN PROCESSING BODY FOAM FILLER