I started watching my OBD-readings for the engine coolant temperature this week, and was not expecting what I'm seeing: slow fluctuations between 90`C and 99`C, generally sitting 95-96`C. Temperature gauge doesn't look any different, 9 o'clock plus or minus a hair. The highway drives have been a mix of generally flat (temps 92-96) to long, moderate hills (finally saw 99 for a moment tonight; recovered to 96 or 94 in under a minute).
Car is a 2007 L.L.Bean wagon, USDM (3.0 5EAT VDC) Does that sound normal for any of you other H6 (EZ30R) owners? If not, what temperatures should I expect? My '99 EJ25D generally runs high 80s to low 90s, even in summer heat barely going over 96`C. I didn't see any signs of overheating over the past summer and fall in the 2007, but never watched the actual ECT sensor values. If this is a sign of malfunction, I'd rather know before the summer heat comes back again.
Note this has been at standard highway speeds, light load (one or two people, one or two bags each), generally 5th gear (running 2000-3000 RPM), outside temperatures between 5`C and -5`C, HVAC on auto, set to 75`F (about 24`C), driving 65-75mph.
It is late now that I'm thinkng about this, so I could not easily make sense of anything in the FSM that might have listed expected temperatures. My overflow bottle is low, though last I checked (3-4 weeks ago) radiator level seemed fine. Cabin heat works; passenger side is still a jot cooler, so I suspect there's a little bit of heater core flush needed. Loads better than it was before cleaning the passenger mix actuator a month ago, though.
Car is a 2007 L.L.Bean wagon, USDM (3.0 5EAT VDC) Does that sound normal for any of you other H6 (EZ30R) owners? If not, what temperatures should I expect? My '99 EJ25D generally runs high 80s to low 90s, even in summer heat barely going over 96`C. I didn't see any signs of overheating over the past summer and fall in the 2007, but never watched the actual ECT sensor values. If this is a sign of malfunction, I'd rather know before the summer heat comes back again.
Note this has been at standard highway speeds, light load (one or two people, one or two bags each), generally 5th gear (running 2000-3000 RPM), outside temperatures between 5`C and -5`C, HVAC on auto, set to 75`F (about 24`C), driving 65-75mph.
It is late now that I'm thinkng about this, so I could not easily make sense of anything in the FSM that might have listed expected temperatures. My overflow bottle is low, though last I checked (3-4 weeks ago) radiator level seemed fine. Cabin heat works; passenger side is still a jot cooler, so I suspect there's a little bit of heater core flush needed. Loads better than it was before cleaning the passenger mix actuator a month ago, though.
