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need help with overheating on a 92 sc400

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Old 08-08-12, 03:57 PM
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918lexsc
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Default need help with overheating on a 92 sc400

Hey guy's i've been having an issue with my fan speed. i believe this problem has been happening since i purchase the car but only during th summer months and when the a/c is on the car will not stay at normal operating temp and creeps toward the red. So it does still have the stock hydro fan assembly, i have checked the the fluid and connectors and dont see any issue. i know there is a cooling fan ecu and i think that is where my problem is. i've done alot of searching on this and i know where the ecu fan should be located but i think it was removed from my car along with the power steering ecu. seems like i have 2 empty spots where those should be located. anyone have any pictures of these and where they are mounted? it would help out tremdously. i have been thinking of ways to remove and replace with electric fans? or maybe replace with a clutch fan? will the fan assembly from an ls 400 bolt up and replace the hydro pump? any help is appriciated
Old 08-09-12, 10:10 AM
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jdub20tx
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I have a electric fans on mine and it works better and it gives you tons more space to work
Old 08-09-12, 12:08 PM
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918lexsc
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Originally Posted by jdub20tx
I have a electric fans on mine and it works better and it gives you tons more space to work
yeah i like electric fans but i know it is a ton of work to do them on this car. do you still have your cooling fan ecu in yours?
Old 08-09-12, 12:23 PM
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ihiryu
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I can't help you with the fan ecu, where is supposed to be located at?

However, I can help you with the LS4 bracket. the Bracket will replace the hydro unit, it is a bolt on affair.

I have one on my SC400.
Old 08-09-12, 03:02 PM
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918lexsc
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Originally Posted by ihiryu
I can't help you with the fan ecu, where is supposed to be located at?

However, I can help you with the LS4 bracket. the Bracket will replace the hydro unit, it is a bolt on affair.

I have one on my SC400.
ok thanks that help's. it replaces the hydro pump right? i know you really cant beat the reliability of a clutch fan to, as for the cooling fan ecu it is suppose to be located under the glove box near the trac and abs ecu and the engine ecu. should also be a power steering ecu threre to. i believe i am missing both of them but cannot locate any connectors but my power steering sucks bad lol
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