I changed out my Water Pump at 65,000 miles. I didn't wait for any warning signs. I have the white plastic impellar and it had one vane broken. I replaced it with the Metal Impellar pump and it has been good ever since. My temp gauge stays between the O and the M in NORMAL. Closer to M with the AC on and Closer to the O with the MAX AC on.
The temp gauge is also not very accurate. If you want to see engine temp then hook up a scan tool or install your own Coolant Temp gauge in the A-Pillar.
Pete... 98.5 SE Sport Duratec ATX (P66L) Black Clearcoat on Greystone DOB 11/21/1997 DOP 12/25/1997 PIAA 510 Super White Driving Lights SVT CAT-BACK EXHAUST (No Resonator) DiabloSport Chip (LPQ4) - Engineered To Raise Hell Too many other mods to list... Sounds sweet, runs quick... Crazy Horse Dyno @ 121.4 WHP/129.6 TQ
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