970955 Replacing sub-part for front plenum panel
WM 970955 Replacing sub-part for front plenum panel
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.
Installation position of sub-part for front plenum panel
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 plenum panel cover. -> 852219 Removing and installing plenum panel cover - section on "Removing" 852219 Removing and installing plenum panel cover
3. Remove cross panel. -> 508119 Removing and installing cross panel (disassembling plenum panel) - section on "Removing and installing" Service and Repair
4. Drain refrigerant. -> 870317 Draining and filling in refrigerant Service and Repair
5. Remove heat exchanger return hose. -> 803219 Removing and installing heat exchanger return hose - section on "Removing" 803219 Removing and installing heat exchanger return hose
6. Disconnect refrigerant hoses at the expansion valve. -> 877019 Removing and installing expansion valve - section on "Removing" Service and Repair
7. Remove directional-control valve. -> 827419 Removing and installing directional-control valve - section on "Removing" Service and Repair
8. Remove heat exchanger supply hose. -> 803019 Removing and installing heat exchanger supply hose - section on "Removing" 803019 Removing and installing heat exchanger supply hose
9. Remove dashboard. -> 701819 Removing and installing dashboard - section on "Removing" 701819 Removing and installing dashboard
Replacing sub-part for front plenum panel
Removing sub-part for front plenum panel
Information
When cutting the front wire harness, make sure there is enough length of cable left to join to the new lines.
1. Cut wire harness in the interior in area -x-.
Connection part of sub-part for front plenum panel
2. Loosen all 14 screws -A- on the sleeve in the interior of the vehicle.
Mounting point for sleeve for sub-part for front plenum panel
3. Loosen all 13 fixing clips -A- in the front left area of the sub-part and release and pull off all plug connections.
Mounting point for sub-part for front right plenum panel
4. Detach relay carrier in engine compartment.
4.1. Release retaining clips -1- on the relay carrier in the engine compartment -arrow A-.
Unclipping relay carrier in engine compartment
4.2. Lift relay carrier in engine compartment up and out -arrow B-.
5. Release all eight fixing clips -A- and release and unplug all plug connections.
Mounting point for sub-part for front left plenum panel
6. Loosen fastening nuts -B- at the two ground points on the firewall and remove ground straps.
Ground points on firewall
7. Make sure that all fastenings on the sub-part are released.
8. Remove the sleeve from the firewall and carefully remove the sub-part of the main wire harness for the plenum panel.
Removing sleeve for sub-part for front plenum panel
Installing sub-part for front plenum panel
1. Installation is performed in reverse order.
2. Connect and lock all plug connections.
3. Secure sub-part at all fastening points.
4. Fit the ground straps at the two ground points on the firewall and tighten the fastening nuts.
=> Tightening torque: 9 Nm (6.5 ftlb.)
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 are to be prepared before beginning work.
Information
Allocation of lines - see wiring diagram.
5. Crimp the lines in area -x-.
Connection part of sub-part for front plenum panel
5.1. Cut off lines in different lengths (due to the shrink-fit connections).
5.2. Slide shrink-fit hoses onto the lines.
5.3. Strip 10 mm of insulation off the wires.
5.4. Crimp lines using crimping sleeves and the hand crimping pliers from the repair kit for wire harnesses Nr.155-1.
5.5. Slide the shrink-fit hoses over the crimp connections and carefully shrink them using the hot-air blower with special nozzle (recommended accessories for the repair kit for wire harnesses) so that they are watertight.
5.6. Wrap commercially available PVC tape all around the area of the connection points.
5.7. Secure the repaired area -x- to the main wire harness with tie-wraps.
Subsequent work
1. Install the dashboard. -> 701819 Removing and installing dashboard - section on "Installing" 701819 Removing and installing dashboard
2. Install heat exchanger supply hose. -> 803019 Removing and installing heat exchanger supply hose - section on "Installing" 803019 Removing and installing heat exchanger supply hose
3. Install directional-control valve. -> 827419 Removing and installing directional-control valve - section on "Installing" Service and Repair
4. Secure the refrigerant hoses at the expansion valve. -> 877019 Removing and installing expansion valve - section on "Installing" Service and Repair
5. Install heat exchanger return hose. -> 803219 Removing and installing heat exchanger return hose - section on "Installing" 803219 Removing and installing heat exchanger return hose
6. Fill in refrigerant. -> 870317 Draining and filling refrigerant - section on "Filling" Service and Repair
7. Install cross panel. -> 508119 Removing and installing cross panel (disassembling plenum panel) - section on "Installing" Service and Repair
8. Install plenum panel cover. -> 852219 Removing and installing plenum panel cover - section on "Installing" 852219 Removing and installing plenum panel cover
9. Connect the battery. -> 2X00IN Work instructions after disconnecting the battery - section on "Connecting" 2X00IN Work instructions after disconnecting the battery