Central Door Locking System - Repair Procedures
83audi01Applies To 4000, 5000,
COUPE, QUATTRO
1980 models and later
Group
57
Subject:
Central Door Locking System
Part Identifier N/A
Key Points
Repair procedures for vehicles operating in high altitude areas
C
Number
83-01
June 8, 1983
If central door locking system malfunctions for unknown reasons in high altitude areas, replace vacuum pump
Parts required Vacuum pump, Part No. 443 862 257 A Sound dampening material, Part No. 443 862 227 Vacuum hoses, length 100 mm (4 in.) or 200 mm (8 in.) Cap, Part No. 433 862 197
Vacuum pump, installing (Audi 4000 4-door)
Work sequence
- remove old vacuum pump with bracket
- install new vacuum pump with sound dampening material, 100 mm length vacuum hoses and electrical connector
- install in trunk cavity at right rear fender
- disconnect vacuum hose for left front door (at Y-piece under rear seat left side) and lay aside
- close open connection at Y-piece with cap, Part No. 433 862 197
Vacuum pump, installing (4000 2-door)
Work sequence
- remove old vacuum pump with bracket
- install new vacuum pump with sound dampening material, 100 mm length vacuum hose and electric connector
- install in trunk cavity at right rear fender
- disconnect vacuum hose for left door (at T-piece under rear seat right side) and lay aside
- close open connection at T-piece with cap, Part No. 433 862 197
Vacuum pump, installing (Audi 5000)
Work sequence
- remove old vacuum pump from spare tire well
- remove vacuum hose, Part No. N 900 021 03, 1100 mm length from T-piece and discard
- drill 4.2 mm hole in rear panel and attach ground wire with sheet metal screw
- install new vacuum pump with dampening material, 200 mm length vacuum hose and electrical connector between rear panel and trunk floor
- disconnect vacuum hose for driver's door at Y-piece underneath floor carpet near left door lock pillar and lay aside
- close open connection at Y-piece with cap, Part No. 433 862 197
Vacuum pump, installing (Coupe/Quattro)
Work sequence
- remove old vacuum pump with bracket
- install new vacuum pump with sound dampening material, 100 mm length vacuum hose and electrical connector
- install in trunk cavity at right rear fender
- remove left door panel and disconnect vacuum hose from control valve
- close line with cap, Part No. 433 862 197