REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Volkswagen Touareg (from 2003 to 2006, the year of issue)

general info. full specifications. diagnostics. hints. tips. tricks

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Volkswagen
	Touareg
		Operation and maintenance of car
		Engine
			Preliminary checks on the car
			The mechanical part (petrol engines 3,2L)
			The mechanical part (petrol engines 4,2L)
			The mechanical part (diesel engines 5,0L)
			Removing and installing subframe
			Pressurization system (diesel engines)
			Cooling system (petrol engines)
			The cooling system (diesel engines)
			Lubrication (petrol engines)
			Lubrication system (diesel engines)
			Injection System (petrol engines)
			Fuel injection system (diesel engines)
			Exhaust
				Align the exhaust system
				Removing and installing exhaust manifold and front pipe with the primary catalysts
				A secondary air supply system
				Check the combination valve
			FUEL (beninovye engines)
			Tables
		Transmission
		Chassis
		Steering Gear
		Brakes
		Onboard electric
		Body
		diagrams

printable version

Check the combination valve

Test conditions

Unusual and should be provided with vacuum pipes for leaks and hose connections

Vacuum tubes are not bent or clogged.

Checking procedure

Fig. 2.304. The vacuum hose of the secondary air supply valve N112

Disconnect vacuum hose for secondary air valve N112 from the combination valve (Fig. 2.304).

NOTE

At the next test does not use compressed air.

Fig. 2.305. Manual vacuum pump

Connect a hand vacuum pump VAG 1390 to vacuum fitting combination valve (Fig. 2.305).

Disconnect pressure hose connected to the combination valve from the coupling end of the tube to connect the auxiliary hose and gently Blow into it. Combined valve must be closed.

Operate hand vacuum pump. Combined valve should open.

If the combination valve does not open, replace it.

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A secondary air supply system

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FUEL (beninovye engines)