Touareg V8-4.2L (AXQ) (2006)
seconds when switching off in full load mode and 157 seconds when switching off in part load mode.
Deviations from standard times are possible depending on the software version of the control module.
Auxiliary Engine Coolant Heater, Coolant Circuit Layout
Auxiliary Engine Coolant Heater, Coolant Circuit Layout
NOTE:
-
The coolant system is under pressure when the engine is warm. If necessary, release coolant system pressure prior to repair work.
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The coolant circuit must be free of air for the auxiliary engine coolant heater to heat properly.
1
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Heat exchanger for heater unit
2
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Auxiliary engine coolant heater
3
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Recirculation Pump V55
4
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Fuel cooler
5
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Generator
6
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Cylinder head/cylinder block
7
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Thermostat housing
8
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Valve body
9
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Radiator
10
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Low temperature cooler
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for generator and fuel cooling
11
-
Fuel Cooler Pump V166
12
-
After-Run Coolant Pump V51
13
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Check valve
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Observe installed position
14
-
Engine coolant expansion tank
Auxiliary Engine Coolant Heater, Dismantling and Assembling
Auxiliary Engine Coolant Heater, Dismantling And Assembling