2004 S60 Heater Core Bypass

vvvolvo · Post by **vvvolvo** » 27 May 2015, 09:24

I need to replace my heater core due to a leak. I just don't have time to do it right now and it's summer so I don't need to use the heat for several months. I would like to bypass the heater core so that it will give me some time to do the repair, and stop leaking all over my passenger side floor. When I disconnect the hoses from the heater core, inside the engine compartment, using the quick disconnect fittings, the pipes are sticking out of the firewall at the coupling (not on the ends of the hoses). The hoses inside the engine compartment have the quick disconnect clips on the ends, with a rubber covering around them. I have a piece of 5/8" hose and clamps which I was planning to use to connect the two hoses but can't see how I can do it. Do I need to cut off the quick disconnect clips? Is it possible to use a Heater Hose Connector on these? If so, are both ends 5/8"? Better yet, if anyone has done a heater core bypass on a 2004 s60, could you tell me what you did?

vvvolvo · Post by **vvvolvo** » 21 Jul 2015, 06:16

Follow up to my last post. The only way to do a bypass on my car (2004 s60) is to cut off the quick disconnect fittings. I chose not to do this because it was to be a temporary fix and I wanted to keep those fittings. Ended up having a mechanic replace the heater core. RobertDIY on youtube shows how to do it yourself, but it would be a very difficult job to do. The steering column is in the way, so when you try to slide in the new core, you may damage it or not be able to get it in at all. Others have mentioned keeping the steering wheel positioned all the way down and just unbolting the steering column to shift it aside. My mechanic said they had to remove it and also deal with the airbag. This is not a repair that I'd be willing to do myself, on my model car.