Hi to all. I just purchased a 93 volvo 940 for my 17 yr old son. I purchased it not knowing anything about its history other than the info in a vehicle history report. The hoses that run to the heater have been cut and joined with a connecting tube on the motor side of the firewall. Before i replace the heater core, i was wondering if there is any other reason for the hoses to be disconnected? Can I hook a garden hose or air compressor up to see if it leaks? How much pressure should it hold?I would hate to do all that work if it wasn't necessary. I live in MD, so I need heat. also, this car was a turbo, but the turbo has been removed. Is it ok to run the car like that or should I search for a used turbo for it? This is the fourth volvo I have owned(also had 2-740's and a 850). I am glad to put my son in a car that is one of the safest cars around. thanks for your help!