Ardyne Posted 30September, 2023 Report Share Posted 30September, 2023 Ive heard this is the way some cars left the factory but not sure. Looks like the vaccuum is there but disconnected and plugged. I can hear something whirring when i push the recirc button. Ive looked under the dash where i believe the servo is but cant see anything moving. Is it something i need to address or do some models work differently. ? Thanks, its a MY 96 UK C4 Quote Link to comment Share on other sites More sharing options...
tomo Posted 30September, 2023 Report Share Posted 30September, 2023 Have a look on Rennlist plenty of info on their site. Quote Link to comment Share on other sites More sharing options...
Ardyne Posted 30September, 2023 Author Report Share Posted 30September, 2023 18 minutes ago, tomo said: Have a look on Rennlist plenty of info on their site. Thanks Tomo, found snippets of it but no real answer. I may just get in there and see whats going on myself. When i push the button there is a change in airflow. If i find anything ill post it.....also found my rear fan was unplugged so that was a win. tomo 1 Quote Link to comment Share on other sites More sharing options...
tomo Posted 30September, 2023 Report Share Posted 30September, 2023 56 minutes ago, Ardyne said: Thanks Tomo, found snippets of it but no real answer. I may just get in there and see whats going on myself. When i push the button there is a change in airflow. If i find anything ill post it.....also found my rear fan was unplugged so that was a win. Well you are off to a good start 👍 . Quote Link to comment Share on other sites More sharing options...
WB997.2GTS Posted 30September, 2023 Report Share Posted 30September, 2023 If you read the description in this link it is all revealed. Warren https://www.bergvillfx.com/categories/964993-hvac-system-details PS, if your rear fan (engine) has been disconnected you might find that either of the two mixing valves are stuck open and the previous owner has disconnected the fan to stop the cabin from overheating. Quote Link to comment Share on other sites More sharing options...
Ardyne Posted 1October, 2023 Author Report Share Posted 1October, 2023 19 hours ago, WB997.2GTS said: If you read the description in this link it is all revealed. Warren https://www.bergvillfx.com/categories/964993-hvac-system-details PS, if your rear fan (engine) has been disconnected you might find that either of the two mixing valves are stuck open and the previous owner has disconnected the fan to stop the cabin from overheating. Thanks Warren, hvac seems to be behaving as it should heat wise but i will keep that in mind incase its a sporadic failure. The rear fan itself is ok. It behaves like it should on max heat and fan settings on 1 and 2. Quote Link to comment Share on other sites More sharing options...
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