Part 3
WM 970919 Removing and installing main wire harness
6. Clip in length compensation at the steering column.
Clipping in length compensation
6.1. Position length compensation at the steering column and fasten with the expansion rivet.
7. Fasten ground points on dashboard bracket.
Fastening ground points on dashboard bracket
7.1. Fit ground straps and tighten with fastening nuts. => Tightening torque: 9 Nm (6.5 ftlb.)
8. Push on connector for antenna amplifier, left and right -89 to 93-. -> 918419 Removing and installing antenna amplifier - section on "Installing" Service and Repair
9. Remove protective film of adhesive strip on main wire harness -area A- and affix main wire harness to A-pillar.
Affixing main wire harness to A-pillar
10. Clip in main wire harness at front of roof frame.
Clipping in main wire harness at front of roof frame
11. Clip in cable duct at front of roof frame.
Clipping in cable duct at front of roof frame
12. Connect plug connection of make-up mirror, left and right -87 and 88-.
Connecting plug connection of make-up mirror
12.1. Connect plug connection -arrows A- until it engages securely.
12.2. Clip plug connection into console -arrow B-.
13. Connect plug connection -86- until it engages securely. -> 921219 Removing and installing rain sensor - section on "Installing" Service and Repair
14. Connect plug connections between main wire harness and wire harness for heater/air-conditioning unit -79 and 80-.
Fastening electric line
14.1. Lay main wire harness to heater/air-conditioning unit wire harness and fix with a tie-wrap.
14.2. Push in upper electric plug connection at heater/air-conditioning unit until it engages securely.
Connecting upper electric plug connection
14.3. Push in lower electric plug connection at heater/air-conditioning unit until it is felt to engage.
Connecting lower electric plug connection
15. Push on connector for tilt sensor control unit -77- until it engages securely. -> 966319 Tilt sensor control unit - section on "Removing" Service and Repair
16. Fasten ground point under the unit carrier -76-.
Securing ground point
16.1. Connect ground straps and tighten with the fastening nut. => Tightening torque: 9 Nm (6.5 ftlb.)
17. Push on connector for pedal sensor -69- until it engages securely. -> 207819 Removing and installing pedal sensor - section on "Installing"
18. Push on connector for brake light switch -68- until it engages securely. -> 943619 Removing and installing brake light switch - section on "Installing". Service and Repair
19. Push on connectors of KESSY/PAS control unit -66 and 67- until they engage securely. -> 966619 Removing and installing KESSY control unit - section on "Installing" Service and Repair
20. Push on connector on Gateway control unit -65- until it engages securely. -> 903519 Removing and installing gateway control unit - section on "Installing" Service and Repair
21. Push together plug connection between main wire harness and wire harness for door at the left and right -59 and 60- until they engage securely. -> 973219 Removing and installing wire harness for door - section on "Locking" 97321900 Removing and installing wiring harness for door
22. Clip in wire harness at door sill.
Clipping in wire harness at door sill
23. Fasten ground point under the passenger seat -54-.
Securing ground point
23.1. Connect ground straps and tighten with the fastening nut. => Tightening torque: 9 Nm (6.5 ftlb.)
24. Push on connectors for telephone control unit -50 to 53- until they engage securely. -> 919019 Removing and installing control unit for telephone - section on "Installing" Service and Repair
24.1. Clip in wire harness for telephone control unit.
Clipping in wire harness for telephone control unit
25. Clip in wire harness under driver's seat.
Clipping in wire harness under driver's seat
26. Fasten ground point under the driver's seat -49-.
Securing ground point
26.1. Connect ground straps and tighten with the fastening nut. => Tightening torque: 9 Nm (6.5 ftlb.)
27. Push on connectors on control unit for rear convenience systems -46 to 48- until they engage securely. -> 578919 Removing and installing control unit for rear convenience systems - section on "Installing". Service and Repair
28. Push on connectors on Park Assist control unit -44 and 45- until they engage securely. -> 917419 Removing and installing Park Assist control unit - section on "Installing"
29. Push on connectors for centre airbag sensor at the left and right -42 and 43- until they engage securely. -> 695119 Removing and installing airbag sensor - section on "Installing" 69511900 Removing and installing airbag sensor
30. Push on connector on Tiptronic control unit -41- until it engages securely and lock it. -> 373019 Removing and installing transmission control unit - section on "Installing" Service and Repair
30.1. Clip in wire harness for Tiptronic control unit.
Clipping in wire harness for Tiptronic control unit
31. Fit rubber sleeves -39 and 40- and push on connector for front seat-belt pretensioners at the left and right -37 and 38-. -> 691119 Removing and installing front three-point belt - section on "Installing" 691119 Removing and installing front three-point belt
32. Connect plug connection between main wire harness and rear wire harness at the left and right -33 and 34- and lock it.
Connecting plug connection for main wire harness to rear wire harness
Completing the vehicle
1. Install left and right support.
Engaging the support
1.1. Position the support and engage in lower side member.
1.2. Press in the locating peg -1- of the support and check it is seated correctly.
Securing the support
1.3. Tighten the fastening nut -3- and fastening screws -2-. => Tightening torque: 7.2 Nm (5.5 ftlb.)
2. Lay the floor covering over the support and engage.
Information
Ensure that belt strap can run properly!
3. Fasten seat belt mount at left and right.
Installing seat belt and fitting
3.1. Tighten fastening screw -2- , seat belt with fitting -3- and spacer sleeve -4- on inner lower side member. => Tightening torque: 50 Nm (37 ftlb.)
3.2. Press in -1- cap.
Installing front main wire harness
Overview of connectors for front main wire harness, shown on the 911
1. Push through main wire harness in direction of plenum panel.
2. Fit grommets -41- centre, left and right.
3. Clip in wire harness on end plate under windscreen at the two retaining clips -arrow-.
Clipping in wire harness
4. Push on connector for fuel level sender -40- -Arrow A- and lock -Arrow B-.
Pushing on tank connector
5. Position battery retaining bracket and secure with the four fastening nuts. => Tightening torque: 10 Nm (7.5 ftlb.)
Removing and installing battery retaining bracket
6. Push on connector for alarm horn -39- until it is felt to engage. -> 966519 Removing and installing alarm siren - section on "Installing" Service and Repair
7. Push on connector for wiper motor -38- until it is felt to engage. -> 921519 Removing and installing wiper motor - section on "Installing" Service and Repair
Information
Only for vehicles with TPM.
8. Push connector onto front angle sensor for headlight beam adjustment -34- until it is felt to engage. -> 947819 Removing and installing front angle sensor for headlight beam adjustment - section on "Installing" 94781900 Removing and installing front angle sensor for headlight levelling system
9. Push on connectors for windscreen washer system spray nozzle, left and right -32 and 33- until they are felt to engage. -> 926619 Removing and installing spray nozzle for windscreen washer system - section on "Installing" Service and Repair
10. Connect plug connections for PASM, front left and right -30 and 31- until they are felt to engage.
Connecting PASM plug connection
11. Push B+ line -29- onto mounting point at the power distributor as far as the stop. Check B+ line sits firmly. -> 978919 Removing and installing power distributor - section on "Installing" 97891900 Removing and installing power distributor
Information
Only for vehicles with I number 536
12. Push on connector for alarm siren -28- until it is felt to engage. -> 966519 Removing and installing alarm siren - section on "Installing" Service and Repair
13. Push on connector for pressure switch -27- until it is felt to engage. -> 878319 Removing and installing pressure switch - section on "Installing" Service and Repair
14. Push on connector of vertical sensor -26- until it is felt to engage.
15. Push on connector for radio antenna -25- until it felt to engage. -> 914719 Removing and installing radio antenna - section on "Installing" Service and Repair
16. Push on connector for GPS antenna -24- until it is felt to engage. -> 914719 Removing and installing radio antenna - section on "Installing" Service and Repair
17. Clip in wire harness for end plate under windscreen at the three retaining clips -arrow-.
Clipping in wire harness
Information
Only in the cabriolet.
18. Push in connector for rod antenna -23- until it is felt to engage.
19. Push on connector for tank filler neck -22-. -> 200719 Removing and installing filler neck - section on "Installing"
20. Push on connector for filler flap switching element -21- until it is felt to engage. -> 553819 Removing and installing switching element for filler flap - section on "Installing" Service and Repair
21. Push on connectors of front antenna for tyre pressure monitoring system -19 and 20- at left and right until they are felt to engage. -> 443819 Removing and installing antenna for tyre pressure monitoring system - section on "Installing" Service and Repair
22. Lay and connect ABS wire harness, front left and right -17 and 18-. -> 976555 Replacing ABS wire harness - section on "Installing" 976555 Replacing wire harness for anti-lock brake system (ABS)
22.1. Laying ABS wire harness
22.2. Tighten fastening screw of connector socket. => Tightening torque: 10 Nm (7.5 ftlb.)
22.3. Lock the plug connection securely.
23. Push through main wire harness in direction of luggage compartment.
24. Fit grommets -16- left and right.
25. Clip in wire harness to CD changer/navigation unit -arrows-.
Clipping in wire harness to CD changer/navigation unit.
26. Clip in wire harness to loudspeaker amplifier -Arrows A- and fix with new adhesive tape -Arrow B-.
Clipping in wire harness to loudspeaker amplifier
27. Clip in wire harness for front end control unit -arrow-.
Clipping in wire harness
28. Push on connector for tyre pressure monitoring system control unit -15- until it is felt to engage. -> 443419 Removing and installing control unit for tyre pressure monitoring system - section on "Installing" Service and Repair
29. Push on connector for brake fluid sender -14- until it is felt to engage.
30. Push on connector for hydraulic unit -13- and lock it. -> 453019 Removing and installing hydraulic unit - section on "Installing" Service and Repair
31. Push together plug connection between main wire harness and front-end wire harness, left -12- until it engages securely. Clip in connector socket.
32. Secure ground point left -11-.
Securing ground point
32.1. Connect ground straps and tighten fastening nut. => Tightening torque: 9 Nm (6.5 ftlb.)
33. Push connector onto fuse box for fan -2-.
Pushing connector onto fuse box for fan
33.1. Push connector onto fuse box for fan -Arrow A-.
33.2. Close lid -Arrow B- until it is felt to engage.
33.3. Position bottom of fuse box for fan on the clip -Arrow C- and clip in -Arrow D-.
34. Push together plug connection between main wire harness and front end wire harness, right -1-.
Pushing together plug connection between front end wire harness and main wire harness, right
34.1. Insert connector socket in the holder and turn anti-clockwise 90°.
34.2. Push together plug connection between front-end wire harness and main wire-harness right -Arrow A- and lock -Arrow B-.
Subsequent work
Information
Only in the cabriolet.
1. Install front headliner. -> 708319 Removing and installing front headliner - section on "Installing" 708319 Removing and installing front roof trim panel
2. Secure front headliner in windscreen area. -> 708419 Removing and installing headliner - section on "Installing"
3. Install sunroof motor. -> 601419 Removing and installing sunroof motor - section on "Installing"
4. Install operator control unit for garage door opener. -> 967819 Removing and installing operator control unit for garage door opener - section on "Installing" 96781900 Removing and installing control unit for garage door opener
5. Install vehicle electrical system control unit. -> 971019 Removing and installing vehicle electrical system control unit - section on "Installing" Service and Repair
6. Install relay carrier 1. -> 978319 Removing and installing relay carrier 1 - section on "Installing" 97831900 Removing and installing relay carrier 1
7. Install B+ line from power distributor to transmission connection point. -> 974519 Installing and removing wire harness for starter battery - section on "Installing" 974519 Removing and installing wire harness for battery wiring
8. Secure fuse box. -> 978409 Loosening and securing fuse box - section on "Securing" 97840900 Undoing and securing fusebox
9. Install rear side trim panel at left and right. -> 707519 Removing and installing rear side trim panel - section on "Installing" 707519 Removing and installing rear side trim panel
10. Install left and right scuff plate. -> 680519 Removing and installing inner door sill trim - section on "Installing"
11. Install front seat at left and right. -> 720119 Removing and installing front seat - section on "Installing" 720119 Removing and installing front seat
12. Install heating/fresh-air unit. -> 851519 Removing and installing heating/fresh-air unit - section on "Installing" Service and Repair
13. Install dashboard. -> 701819 Removing and installing dashboard - section on "Installing" 701819 Removing and installing instrument panel
14. Install tank for windscreen washer system. -> 926019 Removing and installing tank for windscreen washer system - section on "Installing" Service and Repair
15. Install front cover. -> 519219 Removing and installing front cover - section on "Installing" 519219 Removing and installing Cover For Front Underbody
16. Install front wheel housing liner on left and right. -> 505619 Removing and installing front wheel housing liner - section on "Installing" Service and Repair
17. Install front-end control unit. -> 944919 Removing and installing front-end control unit - section on "Installing" 94491900 Removing and installing front control unit
18. Install trim panels for luggage compartment. -> 700519 Removing and installing trim panel for front luggage compartment - section on "Installing"
19. Install loudspeaker amplifier. -> 914419 Removing and installing loudspeaker amplifier - section on "Installing"
20. Install navigation unit with retaining frame. -> 911219 Removing and installing navigation unit - section on "Installing"
21. Install CD changer. -> 916019 Removing and installing CD changer - section on "Installing" Service and Repair
22. Install plenum panel cover. -> 852219 Removing and installing cover - section on "Installing" 85221900 Removing and installing cover
23. Install battery. -> 270619 Removing and installing battery - section on "Installing" 27061900 Removing and installing battery