Fan shroud
07-24-13, 03:11 PM
#2
1JZ Single SC400
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The stock sc300 will work perfectly. Thats what I have. The fan shroud off of a mkiv will work also but it will have a cutout on the bottom piece for an extra fan. From my understanding.
07-24-13, 10:21 PM
#4
You can use what you have currently. Later when you upgrade to a Supra TT style radiator you will have an easier time bolting up the TT shroud. By the way, there is a lower plastic piece in your SC300 shroud covering the underside of the fan. Keep that. It's exactly the same as the lower cover part that goes into the TT shroud.
As 1JZPWRD mentioned, the TT shroud has a second opening for an auxiliary electric fan. From the factory this fan is operated directly through the TT engine harness to the ECU with a totally separate connection going to a small coolant temp sensor that goes into all style TT radiators (OEM or aftermarket). You don't need to hook that up but that's how it works.
As 1JZPWRD mentioned, the TT shroud has a second opening for an auxiliary electric fan. From the factory this fan is operated directly through the TT engine harness to the ECU with a totally separate connection going to a small coolant temp sensor that goes into all style TT radiators (OEM or aftermarket). You don't need to hook that up but that's how it works.
Last edited by KahnBB6; 07-24-13 at 10:34 PM.
07-25-13, 01:51 AM
#5
Okay thank you fellas. That answers my main question. I have one more for you.
When I first got the car Ac worked great just seemed like it needed a charging. My shroud is broke so I currently don't have one( reason I was asking above) and I'm thinking of buying a new shroud. Well my uncle has a set of gauges for filling ac's with. Well we hooked everything up correctly and had the car running and was trying to fill it but it wouldn't fill up and the gauge pegged out. When we throttled the motor up the gauge would drop down some but as soon as we let it idle it would peg out again. When I say it pegged the gauge I mean it went from the left all the way to the right. Well he is saying that without a shroud the fan can't pull air through the condenser causing the Ac compressor to build to much pressure and not fill with freon. So would putting a shroud on fix the issue or is something else wrong?
Car doesn't run hot or anything with the shroud missing. Also with the car running we also had the Ac on max and the fan for the Ac on max.
When I first got the car Ac worked great just seemed like it needed a charging. My shroud is broke so I currently don't have one( reason I was asking above) and I'm thinking of buying a new shroud. Well my uncle has a set of gauges for filling ac's with. Well we hooked everything up correctly and had the car running and was trying to fill it but it wouldn't fill up and the gauge pegged out. When we throttled the motor up the gauge would drop down some but as soon as we let it idle it would peg out again. When I say it pegged the gauge I mean it went from the left all the way to the right. Well he is saying that without a shroud the fan can't pull air through the condenser causing the Ac compressor to build to much pressure and not fill with freon. So would putting a shroud on fix the issue or is something else wrong?
Car doesn't run hot or anything with the shroud missing. Also with the car running we also had the Ac on max and the fan for the Ac on max.
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