Mercury Repair Questions? Ask a Mechanic for Answers ASAP
Hello. My name is ***** ***** I will be assisting you today. The issue the you are having is likely due to a crack in the vacuum lines coming from #1 on the diagram, or crack in the vacuum line from #18 or the reserve tank itself could be faulty. If vacuum is not properly applied, then the vents default to the defrost position. You should also inspect the vacuum lines on the module itself. Here I am providing a diagram and a description of the system for you. To show you the functions.
Here is information on how to access #1 on the diagram.
If you require more information on this issue and/or are not satisfied, let me know, please, and I will attempt to assist you further on this. I hope this information points you in the right direction. If you have any further questions or concerns on this issue, feel free to ask. If you are satisfied, and have found this information helpful, a positive rating would be greatly appreciated. Thank you.
A positive rating does not close the session. We will still be able to communicate and I will continue to assist you with this issue as needed.