Anyone know normal Operating TEMP 22RE ? - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 07-20-2002, 02:52 PM   #1 (permalink)
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Anyone know normal Operating TEMP 22RE ?

I have a freind who is battling a temp problem, we have replaced everything we can think of including new rad, and new long block. It's not a serious overheating problem, but we can't seem to get a firm answer from anyone on normal operating temp. Anyone know ???
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Old 07-20-2002, 03:16 PM   #2 (permalink)
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IIRC,
the 22R uses a 180* thermostat, and the 22RE uses a 190* (or 195*?) thermostat.........

I have heard of people running the 180* stat in the 22RE........
You might try that..........
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Old 07-20-2002, 03:30 PM   #3 (permalink)
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190* to 220* is is fine. when you start hitting 230, its getting too hot. under 185 and the fuel injection stays in open loop and doesn't work properly. The temp rating of the thermostat is just the temp that it opens at. It mainly has to do with how quickly the engine warms up, and only factors in the minimum operating temp.

Last edited by zags; 07-20-2002 at 03:37 PM.
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Old 07-20-2002, 08:38 PM   #4 (permalink)
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I set my fan to start up at 200 degrees.

230 is about max on these motors. Too hot and they will toss a head gasket.
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Old 07-20-2002, 09:31 PM   #5 (permalink)
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Mine sits anywhere around 170-190 on my mech. water temp gauge that was installed in the factory sending location. I did replace the thermostat when I did my head gasket in Dec, but I dont remember the rating of it. This is with Az heat (110 degrees and the air on in city driving as well). Dunno, get a two stage thermostat from Toyota if you do replace it, the part number is prob under here if you search for it, or check Roger Browns site. Later
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