Though you may rarely perform this job in your shop, it’s important that you understand how to check and adjust valve clearances. This knowledge will save you and your customers a lot of wasted time and money.
Heater core replacement has come a long way from the early 1970s and 1980s. The days of removing the complete dash board have gone away. Through the years Volvo engineers have made it easier to install a heater core in the newer Volvos.