 Trying to sort out some swap cooling issues... |
 Jul 13, 2013 - 2:17 PM
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Enthusiast  Joined Nov 29, '07 From Colorado Currently Offline Reputation: 4 (100%)  |
I've still got some cooling issues on the BEAMS.
Here's the deal, I've got a new radiator, new OEM thermostat, new hoses, new water pump and new temperature sensor. (I want this swap to run for quite a while). Still have some cooling problems though where it'll run hot, and the temperature gauge will behave somewhat erratically. I hooked up OBD to it and the ECU reported around ~95C with the needle close to the red. Of note, I tested my 82C thermostat and it opened, but maybe a bit higher than 82C (it's not the most accurate thermostat in the world) but it still seemed maybe a bit strange? I'm pretty confident the system is completely bled, and heat works. The top radiator hose gets hot but the bottom one less so (though, shouldn't the coolant going into the engine be pretty cold anyway?) I ran the engine briefly with no thermostat and just water and it also got surprisingly close to operating temperature (I didn't drive it though) on a maybe 90 degree day. Thoughts? -------------------- 2019 M2, 2005 S2000, 1997 4Runne
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Jul 13, 2013 - 2:24 PM
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 Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
Actually...
I just checked, 95C is about 200F. That type of temperature shoudn't peg your temp needle. Normal operating temp is about 185F while the car is moving and and it goes up to 200F at idle. Once it reaches 200F, the radiator fans should kick on and bring the temp down to about 185F. Sounds like there is a problem you the wiring or the coolant temp sensor for the gauge cluster. Most people forget that toyota uses to temp sensors. One is for the ecu, and the other is just for the temp gauge. -------------------- 15PSI - 30MPG - Megasquirt Tuned
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Jul 13, 2013 - 2:44 PM
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 Moderator Joined Jun 29, '08 From Denver Currently Offline Reputation: 59 (100%) |
QUOTE (lagos @ Jul 13, 2013 - 2:24 PM)  Most people forget that toyota uses to temp sensors. One is for the ecu, and the other is just for the temp gauge. The BEAMS only uses one coolant temp sensor with three wires, so your gauge cluster gets the same signal that your ECU does. Matt, have you tried plugging in your 5S gauge cluster to see of the temp gauge in it behaves the same way as your SS-III gauge cluster? It could be a faulty resistor or something inside your new gauge cluster, or it might be a faulty coolant temp sensor. -------------------- "Employ your time in improving yourself by other men's writings, so that you shall gain easily what others labored hard for." -Socrates. Even Socrates told us to use the search button!
 2006 Aston Martin V8 Vantage. 1998 Celica GT- BEAMS Swapped. 2022 4Runner TRD Off Road Prenium. 2021 GMC Sierra AT4. |
Posts in this topic
aspen Trying to sort out some swap cooling issues... Jul 13, 2013 - 2:17 PM
lagos The only time I've seen something like this wa... Jul 13, 2013 - 2:20 PM
aspen The wiring is a consideration of mine - mostly bec... Jul 13, 2013 - 2:34 PM aspen Isn't the BEAMS three wire in the same way as ... Jul 13, 2013 - 2:54 PM richee3 Yeah, the BEAMS CTS is three wires. If your stock ... Jul 13, 2013 - 2:59 PM lagos QUOTE (aspen @ Jul 13, 2013 - 3:34 P... Jul 13, 2013 - 3:02 PM aspen Ok, a few gained insights:
1) I've got a very,... Jul 13, 2013 - 9:49 PM aspen A quick update - I think I may have found the prob... Jul 14, 2013 - 11:26 AM
Sunny Hi,
the beams uses a 3pin sensor, two pins are fo... Jul 17, 2013 - 5:39 AM |
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