Volkswagen New Beetle. Manual - part 1731

 

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Volkswagen New Beetle. Manual - part 1731

 

 

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Performance deficiency or tip-in shocks  

Test sequence 

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Connect hand vacuum pump (VAG1390) to vacuum connection for deceleration shut -off valve. 

Fig. 19: Connecting Hand Vacuum Pump (VAG1390) To Deceleration Shut-Off Valve Vacuum 
Connection
 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Operate vacuum pump. 

Deceleration shut-off valve must open in direction of arrow 

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Operate ventilation valve at vacuum pump. 

NOTE:

The deceleration shut-off valve is located in front of the turbocharger. It is 
opened by vacuum during deceleration and at idle.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Turbocharger, G - Charger, 1.8L Generic Scan Tool - New Beetle

  

Deceleration shut-off valve must close

If deceleration shut -off valve does not open or does not close, replace valve, see VEHICLES WITH ENGINE 
CODE APH
 . 

NOTE:

Secure connections of deceleration valve using screw-type clamps.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE Turbocharger, G - Charger, 1.8L Generic Scan Tool - New Beetle

  

1998-2004 ENGINE PERFORMANCE

Turbocharger, G-Charger - New Beetle 

TURBOCHARGER G-CHARGER 

CHARGE AIR SYSTEM WITH TURBOCHARGER 

Turbocharger with attachments, removing and installing 

Observe rules for cleanliness. See RULES OF CLEANLINESS . 

WARNING:

Observe the following for all installations, especially in engine 
compartment due to dense construction: 

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Route lines of all types (e.g. for fuel, hydraulics, coolant and 
refrigerant, brake fluid, vacuum) and electrical wiring so that the 
original path is re-established.  

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Watch for sufficient clearance to all moving or hot components.  

NOTE:

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All hose connections are secured with clamps.  

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VAS5024A spring clip installation tool is recommended for installing 
spring-type clamps. 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Turbocharger, G-Charger - New Beetle

  

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Turbocharger, G-Charger - New Beetle

  

Assembly overview 

1. Exhaust manifold 

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with turbocharger  

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Replace as complete unit only  

2. Intake manifold  

Fig. 1: Identifying Special Tool VAS5024A 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

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Charge air system must be properly sealed.  

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Charge pressure hoses and pipes as well as their connections must be 
free of oil and grease before re-installation.  

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Always replace self-locking nuts.  

NOTE:

The following list refers to Fig. 2 .

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE Turbocharger, G-Charger - New Beetle

  

 

 

 

 

 

 

 

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