Question about 1999 Volkswagen Golf
1999 Volkswagen Golf 4 1.4 16 Valve
Could please tell me where I would find the water pump and thermostat. my level of coolant is fine. I still have not checked the belt. Thank you kindly
Posted on Jun 26, 2014
Could be anything from blown fuse to gas lose take to a mechanic
Posted on Oct 30, 2012
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Posted on Jan 02, 2017
You should never connect a 12volt to the compressor solenoid.unless you unplug it first, because on some cars the ac solenoid is driven by an electronic circuit. Semiconductors are very sensitive to excessive current. I once had to repair the computer on a mercedes because the other mechanic did that. Luckily I know how to repair electronic circuits, or they would have bought a 500 dollars computer the little chip that blew only costed a dollar fifty cents at radio shack,.LOL. Anyways back to your problem, Have you checked if there is a leak, and all the refrigerant might have leaked out? This would prevent the compressor from coming on. Along the ac line there is a switch, sometimes by the reciever drier, when the system looses refrigerant the pressure inside drops and that pressure switch disable the compressor. , and the compressor wont come on. This is to protect the compressor, because it will be damaged if you run it without refrigerant. Ac clutch solenoid is usually is not driven by relay, because an ac solenoid don't really take much current to to kick in, unless of course it is shorted. It would either be directly from the inside switch usually in series with the fan control or driven by a small transistor in a circuit, and the electronic circuit is driven by the ac controls inside. I think the problem with your ac is that it has no refrigerant thats why the compressor wont come on.
Posted on Jun 27, 2009
The oxygen sensor, (also called the lambda sensor), is right after the exhaust manifold, which is on the back side of the engine, so you need to reach it from underneath.
However, it is expensive, so you may want to take it out carefully and simply have it checked first.
With an ohmmeter you can tell if it is burned out.
0 or infinite ohms is bad.
I believe it should be around 1500 ohms, but don't remember exactly.
The other thing is deposits like carbon can make it ineffective, and can be cleaned sometimes.
If you put a new one in, a little antizsieze is a good idea, but don't put on much, because you don't want to contaminate the sensor. Just enough to make removal easier. Remove and clean it every year.
Posted on May 06, 2010
REPLACE THE THERMOSTAT.FAN NOT KICKING IN CHECK FAN FUSE AND RELAY.ALSO BAD COOLANT TEMPERATURE SENSOR WILL CAUSE NO FAN OPERATION IF FAULTY.
Posted on Jun 09, 2010
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