I'm just use to seen the temp at the same spot for 12yrs 85C-90C this has been my daily car. I only replaced it was recomended with new WP. Put new belt in old was still the original. Not a drop of oil on engine 177k mi
The WP is the only part I have replaced on the engine well except the biodegradable wiring harness,spark plugs. I service it myself as per owners manual.


Thanks to all for the input.

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1995 E320
1998 E320
1999 E320 4Matic
2000 E320 4Matic
2000 ML320
2007 C230 Sport
2003 Cadillac CTS