i had taken that into consideration as well so thanks for re-affirming that pressure might be a problem. I drive a lot of highway miles so I watch the pressure carefully and it has been ok...

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1994 C280
2009 VW Tiguan
1993 Toyota X-tra Cab SE-5


1973 220D ... Gone, but not forgotten
1991 Alfa Romeo 164L Gone, wife MADE me forget it

2006 Hyundai Tucson... just straight out FORGOTTEN!