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Heater Hose / Fire Wall Coupler Connections 850 1995

Thanks for the "Volvospeed" link, some of the info there gave me more insight into working with the plastic clips/retainers and o-rings.

However I am working on the heater hoses on the engine side of the fire wall not the interior side. You mentioned running the engine to check for leaks prior to replacing the panels and I assume you are referring to the under dash panels required to access the heater core on the interior.

Any thoughts about running the engine to temp with the engine side dissassembled? I've got the entire air intake from grill to turbo removed (ducts, filter, airbox, MAF) as well as the vacuum lines at the turbo control unit (replacing with silicone while I'm in here)and PCV to air intake, will the car run at this stage without damage in order to raise the temp to normal, build up coolant pressure and check for leaks? It would only idle in place not be driven. Could I use a pressure tester/pump at the coolant reservoir and if so do you know what range would simulate normal operating temp/pressure?

Thanks again for the link.






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