2000 Cadillac Catera: Heater control Valve Vacuum Line?

The Exact location for Vacuum line going through heater control valve.

It goes thru the firewall to the recirculation actuator vacuum solenoid on the hvac housing. you can access it by removing the glove box.

See the diagram shown below:----


The vacuum line tees off. one end to the recirculation actuator vacuum solenoid and the other end to the vacuum tank underneath the passenger side air inlet grille.

For more help see below,here is the vacuum diagram for it:



This details will help.
Thanks.

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Catalytic Converter glowing hot?

If you need dis-assembly or replacement instructions for any other auto/car part, or you want to ask question related to your car/truck jeep problem then please leave the comment with your details, so I can provide you the required instructions and solutions.


The details are as follows :-----
You probably have a large vacuum leak. Catalytic converters can only glow hot if they are getting too much fuel and too much oxygen (or air). A vacuum leak will put way too much oxygen in the exhaust and will cause the oxygen sensors to read lean. Then the computer will start adding a bunch of fuel to try and compensate for the lean oxygen sensors.
You may be able to find the Vacuum leak by using an old spray bottle and using plain water to mist the seams of the upper engine and any Vacuum lines that you see.
When the water is drawn into the leak on a running engine, your RPM will drop or the engine will stall. Some mechanics use choke cleaner to do this test, but choke cleaner is combustible, can damage your cars' paint, and can melt certain plastic parts. The safer fluid is water.

The details mentioned above will help.Thanks.

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