Morning, I have a favourite 2005 V50. I have purchased a new heater core as a result of failure of old one having coolant all under carpets. I have had one attempt at joining up the matching aluminium pipes from the core and those coming in from the firewall. Having removed seats,carpets, centre console and all necessary surrounds I still cannot get the pipes to dovetail together and have already destroyed two new O rings. I have also unattached the two rubber inlet and outlet hoses on the engine firewall side thinking I will get some more wriggle room but cannot achieve any movement from the two obscure pipes coming from the firewall side. Please assist with any previous knowledge as to what I am not doing ccorrectly