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Remove/Install Alternator - AR15.40-P-5032MRD

Engine 274.9 in model 213 (except 213.050) 

Engine 274.9 in model 238 

Shown on ENGINE 274.9 in MODEL 213.042 

Fig 1: Alternator Components Location - Engine 274.9 In Model 213 (Shown In Model 213.042)
G13744914Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Disconnect ground line from on-board electrical system battery Engine 274.9 in model 213 (except 213.050) AR54.10-P-0003LW
    Engine 274.9 in model 238 AR54.10-P-0003LWO
2 Remove upper engine cover    
3 Remove engine air intake duct upstream of air filter    
4 Remove fan unit Engine 274.9 in model 238 AR20.40-P-5050OLA
    Engine 274.9 in model 213 (except 213.050) AR20.40-P-5050OLC
5 Attach radiator guard plate    
REFER TO SHOP-MADE TOOLS     WF58.50-P-0110-01A
6 Remove poly-V belt   AR13.22-P-1202MRD
7 Remove guide pulley for poly-V belt Engine 274.9 in model 213.048/049/148
Engine 274.9 in model 238.348/448
 
    TORQUE SPECIFICATION Bolt, guide pulley to alternator *BA13.25-P-1004-01Z 
8 Remove center and rear lower engine compartment paneling   AR61.20-P-1105LWE
9 Release and disconnect electrical connection (3)    
10 Remove contact protection of nut (1)    
11 Remove electrical line B+ (4) from alternator (G2) TORQUE SPECIFICATION Nut, circuit B+ to alternator *BA15.40-P-1002-01F 
12 Remove screw/bolts (2) and pull alternator (G2) upwards and out Alternator tightening procedure AR15.40-P-5032-03MR
    TORQUE SPECIFICATION Bolt, alternator to timing case *BA15.40-P-1001-01F 
13 Install in the reverse order    
WARNING Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
14 Perform an engine test run and check engine for proper function    
BELT TENSIONING DEVICE

Number Designation Engine 274
BA13.25-P-1004-01Z Bolt, guide pulley to alternator Nm 20
ALTERNATOR

Number Designation Engine 274
BA15.40-P-1001-01F Bolt, alternator to timing case Stage 1 Nm 8
Stage 2 Nm 20
ALTERNATOR

Number Designation Engine 274
BA15.40-P-1002-01F Nut, circuit B+ to alternator Nm 15