C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Overheating '92 LT1

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Old Aug 14, 2006 | 02:01 PM
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Default Overheating '92 LT1

Following the instructions at http://temp.corvetteforum.net/c4/vad...erheating.html, I've been trying to troubleshoot an overheating issue -- The previous owner had this: http://www.extremeradiator.com/store...spx?sku=1052-3 radiator and a 160* T-stat installed. I've replaced the cap (it tested at 11lb). I've recently discovered that the fans are not coming on. The passenger-side fan will come on when the A/C is on. The driver's side fan does not come on at all. With the A/C off, neither fan came on when I let the vehicle idle up to a coolant temp of 235.
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Old Aug 14, 2006 | 02:02 PM
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The question, of course, is: "What are the next steps in troubleshooting?"
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Old Aug 14, 2006 | 02:08 PM
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check fuses and relays
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Old Aug 14, 2006 | 02:13 PM
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Originally Posted by Sinistrad
Following the instructions at http://temp.corvetteforum.net/c4/vad...erheating.html, I've been trying to troubleshoot an overheating issue -- The previous owner had this: http://www.extremeradiator.com/store...spx?sku=1052-3 radiator and a 160* T-stat installed. I've replaced the cap (it tested at 11lb). I've recently discovered that the fans are not coming on. The passenger-side fan will come on when the A/C is on. The driver's side fan does not come on at all. With the A/C off, neither fan came on when I let the vehicle idle up to a coolant temp of 235.
vader's site is very useful for those with general issues or with specific L98 issues, but you have an LT1... It's time to break out the 1992 Helm Factory Service Manual.

I do agree check the relays and the fuses...
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