REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Volkswagen Golf II, Jetta (from 1983 to 1992, the year of issue)

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

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Volkswagen
	Golf 2 / Jetta
		General Information
		Engine
		The power supply system
			The power supply system of carburettor engines
			The power supply system of engines with fuel injection
				Replacing the air filter element
				Frequency of idling and the maintenance of carbon monoxide in the exhaust gas
				Check valve cold start and thermal switch
				Checking the air valve cold start
				Check valve engine has warmed up
				Check and replacement of atomizers
				Plate air flow meter
				Fuel distributor
				Airflow Meter
				Pressure regulator
				The booster fuel pump
				Fuel pump
				Fuel filter
				Fuel Battery
				Fuel tank
				Adjusting accelerator cable
			The power supply system of diesel engines
		Coupling
		Transmission
		Transmission
		Front-wheel Drive
		A steering
		Suspension
		Brakes
		Body
		Electrical

printable version

Checking the air valve cold start

Check valve in the engine is cold when the coolant temperature is below 30 ?� C in the following order:

PERFORMANCE ORDER

1. Disconnect the central high-voltage wire from the ignition distributor.

2. Disconnect the connector 15 (see. Fig. Air filter and intake pipe of the engine with the fuel injection system) 16 from the valve.

3. contacts connecting pads 15 to connect the voltmeter, start the engine and leave to idle. The voltmeter should show pressure of not less than 11.6 V. Instead of a voltmeter, you can use a test lamp.

4. Clamp the air supply hose to the valve 16. The engine speed should decrease.

5. On the hot engine block 15 connected to the valve 16. Clamp the air supply hose to the valve. The engine speed should not be changed. A defective valve replaced.

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Check valve cold start and thermal switch

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Check valve engine has warmed up