Mercedes-Benz ML320. Manual — part 356

Fig. 13: Identifying Oscilloscope Patterns (Positive Diode Defective)
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

2001 Mercedes-Benz ML320

2001-04 STARTING & CHARGING SYSTEMS Generators & Regulators - 163 Chassis

me

Fig. 14: Identifying Oscilloscope Patterns (Negative Diode Defective)
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

REMOVAL & INSTALLATION

GENERATOR

Removal & Installation (Model 163)

Disconnect and shield negative battery cable. Remove air cleaner housing. Remove engine trim panel. Remove
"V" belt by swiveling tensioning pulley and holding in place with a drift. Disconnect generator B+ electrical

NOTE:

Numbers in text refer to numbers in figures.

2001 Mercedes-Benz ML320

2001-04 STARTING & CHARGING SYSTEMS Generators & Regulators - 163 Chassis

me

connector (1) and electrical line circuit 61 (D+) (2). Remove 2 generator bolts (3). Remove generator. See Fig.
15 . To install, reverse removal procedure. Using STAR scan tool, perform electrical operational check.

Fig. 15: Removing Generator
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

VOLTAGE REGULATOR

Removal & Installation (Compact Generator)

Disconnect and shield negative battery cable. Remove generator from vehicle. See GENERATOR . Remove 3
screws (1). Unclip cover (2) by pushing apart retaining lugs (3) and remove. Remove 2 screws (4). Remove
regulator (5) toward side. See Fig. 16 . To install, reverse removal procedure. When inserting regulator (5),
ensure ground lug (6) makes contact with regulator.

NOTE:

Numbers in text refer to numbers in figures.

2001 Mercedes-Benz ML320

2001-04 STARTING & CHARGING SYSTEMS Generators & Regulators - 163 Chassis

me

Fig. 16: Removing Voltage Regulator (Compact Generator)
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Removal & Installation (Bowl-Type Generator)

Disconnect and shield negative battery cable. Remove generator from vehicle. See GENERATOR Remove 2
regulator screws from back of generator. Remove regulator. See Fig. 17 .

2001 Mercedes-Benz ML320

2001-04 STARTING & CHARGING SYSTEMS Generators & Regulators - 163 Chassis

me