Mercedes-Benz ML320. Service 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