Monday, November 21, 2011

VACUUM DIAGRAMS For VW Passat?


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The details are as follows 


The following vacuum diagrams are representative of diagrams and components used in the emission control systems of these vehicles. Because there are many different make, model, engine, transmission, and calibration-level versions, there are many more vacuum diagrams than can be provided here.
Always consult the emission label under the hood for the most accurate vacuum diagram for that specific vehicle.
If the label is missing, contact your local VW dealer for a replacement.


Click image to see an enlarged view
Fig. VW Passat 1.9L Vacuum Diagram
Key List for gnam 93224vwg73:
1. Connecting pipe for charge air cooler/intake manifold
2. Vacuum connection for A/C system
3. Vacuum connection for brake servo
4. Vacuum connection for boost pressure control
5. Exhauster
6. Breather pipe for boost pressure control
7. Breather pipe on air cleaner
8. EGR valve
9. EGR vacuum regulator solenoid valve


Click image to see an enlarged view
Fig. VW Passat 2.8L Vacuum connections (top view)
Key List for gnam 93224vwg74:
1. To vacuum setting element for intake manifold change over
2. To combination valves
3. Secondary Air Injection (AIR) solenoid valve (N112)
4. To Secondary Air Injection (AIR) solenoid valve
5. To T-piece on intake manifold
6. Check valve
7. Intake manifold change over valve
8. To vacuum reservoir in left wheel well
9. From T-piece on intake manifold
10. Fuel pressure regulator


Click image to see an enlarged view
Fig. VW Passat 2.8L Vacuum connections (rear view)
Key List for gnam 93224vwg75:
1. Fuel pressure regulator
2. To crankcase breather valve
3. Vacuum booster
4. T-piece
5. Check valve
6. Intake air scoop
7. Crankcase breather valve


Click image to see an enlarged view
Fig. VW Passat 1.8L EVAP system layout schematic
Key List for gnam 93224vwg76:
1. Fuel filler cap
2. Fuel tank
3. Fuel delivery unit
4. Leak Detection Pump (LDP). In rear right wheel housing under the wheel housing liner
5. Air cleaner for LDP
6. Vacuum reservoir. Under the front left wheel housing liner
7. Check valve
8. Throttle valve control module
9. Fuel pressure regulator
10. Fuel rail with injectors
11. EVAP canister purge regulator valve 1
12. Fuel filter
13. EVAP Canister. In spare wheel well on vehicle floor


Click image to see an enlarged view
Fig. VW Passat 2.0L engine vacuum hose connections


Click image to see an enlarged view
Fig. VW Passat 2.0L vacuum hose schematic

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This will help.Thanks.
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For more car related problem troubleshooting:---

This are the sections, you can go through and click the link to read its troubleshooting.

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The car will not start?

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Car has no spark?


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How to troubleshoot car battery?

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How to test starter solenoid?

http://schematicsdiagram.blogspot.com/2011/06/how-to-test-starter-solenoid.html

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How to test cars starter?

http://schematicsdiagram.blogspot.com/2011/06/how-to-test-cars-starter.html

How to replace starter in car?



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car will turn over but will not start?



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Car wont start?


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