Model S Rear Node Versions
Explains the differences between Model S 1st generation (1st gen) and 2nd generation (2nd gen) rear nodes and associated components.
Model S has been manufactured with two versions of rear node: a 1st generation (1st gen) rear node and a 2nd generation (2nd gen) rear node. The two versions are visually different, use different fasteners to secure the panels that attach to the node, and use a different rear member rail. Starting on approximately November 5, 2014, Model S vehicles were produced with the 2nd generation rear node.
Many parts in the area of the rear node differ depending on the version of rear node in the vehicle. Determine which version of rear node is in the vehicle before ordering parts. In the Parts Manual, if parts differ depending on rear node version, a note in the “Comments” column indicates the corresponding node version for the part (for example, “For 2nd generation rear node.”).
1st Generation Components
The following components are used on vehicles with 1st generation rear nodes:
| Component | Image |
|---|---|
| Rear Node (1st Generation) The 1st generation rear node is made from a low pressure die casting. The interior is hollow and the exterior is flat with raised gridlines. |
|
|
Rear Member
Rail (1st Generation)
The rear member rail for a 1st generation rear node is octagonal. |
|
Order parts using the Parts Manual.
2nd Generation Rear Node Components
The following components are used on vehicles with 2nd generation rear nodes:
| Component | Image |
|---|---|
| Rear Node (2nd Generation) The 2nd generation rear node is made from a high pressure solid casting. The exterior is webbed. |
|
|
Rear Node
Outer Reinforcement
Note Used with 2nd
generation rear nodes only; there is no corresponding part
used for 1st generation rear nodes. |
|
|
Rear Member
Rail (2nd Generation)
The rear member rail for a 2nd generation rear node is rectangular. |
|
Order parts using the Parts Manual.
Fasteners
The fasteners used to secure the components attached to the rear node are different and are based on the node generation. The Body Repair procedure for the specific component specifies the correct fasteners to use.