Originally Posted by maxs

i know its been a while but here is an update i found and bought a 2007 2.2 for my hhr it came out of a 2007 cobalt just needed to swap the thermostat housing and the exhaust manifold and block that coolant line near the fill line... not sure what that was for ...but she is up and running great and i love it ... still some little odds and ends to tie up but its been a fun project... i do however have another problem of sorts but ill search before i start another thread but for all the info thanks guys...this is a great place for information...