Naw, the only rough one was number five, but I got interrupted twice by the wife and son needing something, so it took a total of two hours. Actual work time was about 45-50 minutes .

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2012 Mercedes ML350 Bluetec 91K (hers)
2005 Corvette 55K (fun car)
2002 VW Jetta TDI 231K (mine)
1998 Volvo S70 T5 Turbo 196K (kids)
1994 Ford F150 4WD 249K (firewood hauler)
1983 Mercedes 300D 376K (diesel commuter)