DDDDDan Posted May 28, 2020 Share Posted May 28, 2020 Hi all, Having some cooling problems at idle speed after driving for a decent amount of time in warmer temps. 1964 Riviera w/425, stock. Flying down the freeway and streets I stay under 185. I just purchased the car last month. I’ve replaced the thermostat to a 160. Radiator is in great shape, no coolant leaks, trans fluid is good, oil is new. But.....no fan clutch or shroud. How difficult is it to install a fan clutch? 1hr? It has an aftermarket fan. I recently put a 14” electric auxiliary fan that helped a little bit but nothing major. thanks in advance for the replies. Link to comment Share on other sites More sharing options...
avgwarhawk Posted May 28, 2020 Share Posted May 28, 2020 (edited) What temp does it hit when at idle? This high temp just started to manifest itself at idle? If so, then it is more than just a fan change to correct the issue. Radiator my need a good flush. The cooling jackets my now have some scale needing to be removed. If the 14" electric did very little I don't see a clutch helping much either. Edited May 28, 2020 by avgwarhawk (see edit history) 1 Link to comment Share on other sites More sharing options...
DDDDDan Posted May 28, 2020 Author Share Posted May 28, 2020 11 minutes ago, avgwarhawk said: What temp does it hit when at idle? This high temp just started to manifest itself at idle? If so, then it is more than just a fan change to correct the issue. Radiator my need a good flush. The cooling jackets my now have some scale needing to be removed. If the 14" electric did very little I don't see a clutch helping much either. Lets say I take it for drive for 30 minutes and it’s 80 outside. My driving temp will be around 190 and my temp at a traffic light will be about 210. Bare in mind I also do not have a fan shroud either. Link to comment Share on other sites More sharing options...
avgwarhawk Posted May 28, 2020 Share Posted May 28, 2020 (edited) 210 degrees at a stop light is not unheard of. I have a 401 in a 60 Electra. No shroud and just the standard fan. Sure it gets hot at a stop light and cools while underway. 90 degree plus days are never an issue. No boil over. I see no issue with 210 when at idle. Is your cooling system holding pressure(ie) your radiator cap is holding pressure? Edited May 28, 2020 by avgwarhawk (see edit history) 1 Link to comment Share on other sites More sharing options...
DDDDDan Posted May 28, 2020 Author Share Posted May 28, 2020 1 hour ago, avgwarhawk said: 210 degrees at a stop light is not unheard of. I have a 401 in a 60 Electra. No shroud and just the standard fan. Sure it gets hot at a stop light and cools while underway. 90 degree plus days are never an issue. No boil over. I see no issue with 210 when at idle. Is your cooling system holding pressure(ie) your radiator cap is holding pressure? Yes, holding pressure, no leaks, no boil over, 16lb cap. Everything is working okie dokie. Previous owner had the radiator flushed within 6 months of me purchasing, actual showed me the receipt for it. Good to know 210 isn’t crazy. 1 Link to comment Share on other sites More sharing options...
avgwarhawk Posted May 28, 2020 Share Posted May 28, 2020 Can be worrisome when numbers are displayed(250-260 is HOT): This is less worrisome: 1 1 1 Link to comment Share on other sites More sharing options...
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