Infiniti I30/I35 Similar to a Maxima, yet not really a Maxima. Discussion forum on Nissan's luxury model, the Infiniti I30/I35

Overheating issue

Old 07-18-2018, 10:54 AM
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Overheating issue

Starts off at normal operating temperature for a few miles or about 10 minutes. After that the engine temp slowly rises, especially at a dead stop or in slow traffic. I just replaced the radiator cooling fans and I tested them to make sure they turn on so that isn't the problem..
Today there was smoke coming out of my engine compartment, but I'm going to attribute that to the coolant that splashed around during the fan replacement.. Anybody have any ideas as to what could be causing my engine to overheat? Could an exhaust manifold leak have anything to do with it? Thanks in advance..
Thrasher9905 is offline  
Old 07-20-2018, 12:38 PM
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Try replacing the thermostat ($20) and radiator cap ($8).
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Old 07-20-2018, 12:45 PM
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Other than the dash temperature gauge, what indication is there that the engine has actually overheated?

Are you telling us that your temperature gauge climbs to a level that indicates a hotter than normal temperature or are you telling us that the engine has actually overheated?

If the former is true, replacement of the ECT sensor and/or temperature sending unit might be all that's needed.

Read through this thread ...
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Old 07-21-2018, 10:20 PM
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Your infinitI is mostly mechandily identical to the 4th gen Maxima.

You will find many more helpful members there.
There are far more Maximas than Infiniti.

replace the rad cap.

I'm going to venture a guess. You need to replace the radiator.

they can be found on ebay as little as 40 dollars for a cheap one, 100 for one which appears to be of good quality.
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Old 07-22-2018, 08:06 AM
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Did you remove and test the thermostat yet?
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