97095501 Replacing sub-part of front left wire harness
WM 970955 Replacing sub-part of front left wire harness
Tools
Technical values
Information
The main wire harness is manufactured individually depending on equipment.
- Fastening elements may be different from the parts described.
- The number of plug connections can vary, depending on equipment.
Overview of sub-part of front left wire harness
Preliminary work
1. Disconnect the battery. -> 2X00IN Work instructions after disconnecting the battery - section on "Disconnecting" 2X00IN Work instructions after disconnecting the battery
2. Remove main headlight at the left. -> 941519 Removing and installing main headlights - section on "Removing" 941519 Removing and installing main headlights
3. Remove front left wheel.-> 440519 Removing and installing wheel - section on "Removing" Removal and Replacement
4. Remove front wheel housing liner at the left -> 505619 Removing and installing front wheel housing liner - section on "Removing" Service and Repair
Removing sub-part of front left wire harness
1. Remove carpet at the front left. -> 704119 Removing and installing carpet - section on "Removing"
2. Release cable duct at the A-pillar.
Releasing cable duct from A-pillar
2.1. Unscrew fastening nut -1- for cable duct.
2.2. Release cable duct -2- by pulling it -arrow- from the fixing clip.
3. Release cable duct on driver's seat.
Releasing cable duct
3.1. Unscrew fastening nut -1- on driver's seat.
3.2. Release cable duct by pulling it -arrow- from the fixing clip.
4. Unclip and disconnect main wire harness at the front inner sill.
Unclipping main wire harness at the front inner sill
Information
When cutting the front wire harness, make sure there is enough length of cable left to join to the new lines.
5. Cut front left wire harness in area -x-.
Connection part of front left wire harness
6. Make sure that all fastenings on the front left wire harness in the interior are released.
7. Loosen rubber sleeve in the left wheel housing, remove it by pushing it towards the wheel housing and carefully remove the wire harness from the interior by pushing it towards the wheel housing.
Position of rubber sleeve in front left wheel housing
8. Loosen sub-part of wire harness in the front left wheel housing at all 13 fastening points -A- and release and pull off all plug connections.
Fastening points for sub-part of front left wire harness in wheel housing
9. Unscrew fastening nut -B- on ground point for left longitudinal member and pull lines off the threaded bolt.
Fastening point on ground point for left longitudinal member
10. Loosen sub-part of wire harness in the front left wheel housing at the bottom at all six fastening points -A- and release and pull off all plug connections.
Fastening points for sub-part of front left wire harness in wheel housing at the bottom
11. Loosen sub-part of wire harness in the front left wheel housing at all 10 fastening points -A- and release and pull off all plug connections.
Fastening points for sub-part of wire harness in front left wheel housing
12. Loosen sub-part of wire harness in the engine compartment at the left at all 10 fastening points -A- and release and pull off all plug connections.
Fastening points for front left wire harness in engine compartment
13. Disconnect connection at the B+ connection point in the engine compartment.
Disconnecting B+ line connection in engine compartment
13.1. Unscrew left nut -1- and remove it -arrow A-.
13.2. Remove connection for fan blower -3-.
14. Make sure that all fastenings on the wire harness in the engine compartment at the left are released.
15. Carefully remove sub-part of front left wire harness from the engine compartment through the openings by pulling it towards the wheel housing.
16. Make sure that all fastenings on the wire harness in the front left wheel housing are released.
17. Remove entire sub-part of front left wire harness.
Installing sub-part of front left wire harness
1. Push front left wire harness from the wheel housing towards the interior with the help of another mechanic and fit rubber sleeve at the correct position. The arrow -2- must be pointing to the marking on the rubber sleeve -1-.
Positioning rubber sleeve in front left wheel housing
2. Route the wire harness through the openings -A- and -B- towards the engine compartment.
Routing front left wire harness
3. Secure sub-part of wire harness in the front left wheel housing at all 13 fastening points -A- and plug in and lock all plug connections.
Fastening points for sub-part of front left wire harness in wheel housing
4. Attach lines to the threaded bolt and screw on fastening nut -B- on ground point for left longitudinal member.
Fastening point on ground point for left longitudinal member
=> Tightening torque: 9 Nm (6.5 ftlb.)
5. Secure sub-part of wire harness in the front left wheel housing at the bottom at all 6 fastening points -A- and plug in and lock all plug connections.
Fastening points for sub-part of front left wire harness in wheel housing at the bottom
6. Secure sub-part of wire harness in the front left wheel housing at all 10 fastening points -A- and plug in and lock all plug connections.
Fastening points for sub-part of wire harness in front left wheel housing
7. Secure sub-part of wire harness in the engine compartment at the left at all 10 fastening points -A- and plug in and lock all plug connections.
Fastening points for front left wire harness in engine compartment
8. Screw in connection at the B+ connection point in the engine compartment.
Screwing on B+ line connection in engine compartment
8.1. Fit connection for fan blower -3-.
8.2. Screw on nut -arrow B-.
Information
Select a place for the joint where there is enough space to join all the lines present.
Do not cut the lines too short in case they have to be laid in a different position if there is insufficient space in the area of the joint.
Information
The greatest care must be used in the individual work steps for stripping insulation from, crimping, and shrinking/insulating the electric lines.
The procedure for stripping insulation from, crimping, and shrinking/insulating the electric lines must be complied with and observed. The procedures are described in detail in the Repair kit for Cayenne wire harnesses NR.155-2.
Crimping samples must be prepared before beginning work.
Information
Allocation of lines - see wiring diagram.
9. Crimp the lines in area -x-.
Connection part of front left wire harness
9.1. Cut off lines in different lengths (due to the shrink-fit connections).
9.2. Slide shrink-fit hoses onto the lines.
9.3. Strip 10 mm of insulation off the wires.
9.4. Crimp lines using crimping sleeves and the hand crimping pliers from the repair kit for wire harnesses Nr.155-1.
9.5. Slide the shrink-fit hoses over the crimp connections and carefully shrink them using the hot-air blower with special nozzle (recommended accessories for repair kit for wire harnesses) so that they are watertight.
9.6. Wrap commercially available PVC tape all around the area of the connection points.
9.7. Secure the repaired area -x- to the main wire harness with tie-wraps.
10. Secure cable duct on driver's seat.
11. Secure cable duct at the A-pillar.
12. Fit carpet at the front left. -> 704119 Removing and installing carpet - section on "Installing"
Subsequent work
1. Install front wheel housing liner at the left. -> 505619 Removing and installing front wheel housing liner - section on "Installing" Service and Repair
2. Install front left wheel. -> 440519 Removing and installing wheel - section on "Installing" Removal and Replacement
3. Install main headlight at the left. -> 941519 Removing and installing main headlights - section on "Installing" 941519 Removing and installing main headlights
4. Connect the battery. -> 2X00IN Work instructions after disconnecting the battery - section on "Connecting" 2X00IN Work instructions after disconnecting the battery