Volkswagen New Beetle. Manual - part 1303

 

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Volkswagen New Beetle. Manual - part 1303

 

 

Fig. 18: Filling Injection Pump Using V.A.G. 1390 & 1318/10

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Diesel Direct Fuel Injection System, Servicing - New Beetle, 1.9L 4-Cyl. ALH

  

Courtesy of VOLKSWAGEN UNITED STATES, INC.

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Operate vacuum pump until fuel flows out of return/supply opening. 

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Do not draw fuel into vacuum pump.  

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Remove adapter and connect return/supply line.  

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Install valve cover and vacuum pump.  

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Dynamically check Start of injection and adjust if necessary. See START OF INJECTION, 
DYNAMICALLY CHECKING AND ADJUSTING
 .  

START OF INJECTION, DYNAMICALLY CHECKING AND ADJUSTING 

Special tools 

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VAG1331 Torque wrench 5 to 50 Nm (3.7 to 37 ft lb) or equivalent 

Fig. 19: Identifying Torque Wrench VAG 1331 
Courtesy of VOLKSWAGEN UNITED STATES, INC. 

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VAG1551/1552 Scan Tool using VAG1551/3 Adapter cable  

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3035 Injection line wrench  

NOTE:

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Dynamically checking and correcting Start of injection is only possible in 
Function 04, "Basic setting".  

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Start of injection must always be checked after replacing the toothed belt 
or loosening the injection pump bolts or toothed belt sprockets and if 
necessary, adjusted.  

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Diesel Direct Fuel Injection System, Servicing - New Beetle, 1.9L 4-Cyl. ALH

  

Checking and adjustment conditions 

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Mechanical engine settings OK.  

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Toothed belt tension OK.  

Work sequence 

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Connect VAG1551/1552 Scan Tool.  

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Start engine and let idle.  

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Press -0- and -1- buttons to select Address word 01: "Engine electronics" 

Display will appear as shown (example only) 

Fig. 20: Scan Tool Display Screen (1 Of 4) 
Courtesy of VOLKSWAGEN UNITED STATES, INC. 

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Press "right arrow" button 

Display will appear as shown 

Fig. 21: Scan Tool Display Screen (2 Of 4) 
Courtesy of VOLKSWAGEN UNITED STATES, INC. 

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Press -0- and -4- buttons to select Function 04: "Basic setting"  

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Press -Q- button to enter input. 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Diesel Direct Fuel Injection System, Servicing - New Beetle, 1.9L 4-Cyl. ALH

  

Display will appear as shown 

Fig. 22: Scan Tool Display Screen (3 Of 4) 
Courtesy of VOLKSWAGEN UNITED STATES, INC. 

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Press -0-, -0-, -0- button to select "Display group 0".  

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Press -Q- button to enter input. 

Display will appear as shown (1 to 10 Display zones) 

Fig. 23: Scan Tool Display Screen (4 Of 4) 
Courtesy of VOLKSWAGEN UNITED STATES, INC. 

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Check Engine Coolant Temperature in Display zone 7. 

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Specification: less than 73 (equates to 85° C)  

Continue check only when Engine Coolant Temperature is obtained: 

Start of injection (in Display zone 2) is dependent on the Fuel temperature in Display zone 9. 

A. Display zone 2 Start of injection  

B. Display zone 9 Fuel temperature  

NOTE:

The following list refers to items in Fig. 24 .

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Diesel Direct Fuel Injection System, Servicing - New Beetle, 1.9L 4-Cyl. ALH

  

 

 

 

 

 

 

 

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