Question about 2004 Infiniti Q45
I had kind of similar issues with an old LS400, couldn't figure out what it was. Until I tried a pre-mixed rad flush, called Gunk, works the best out of the ones I've tried so far. You'd want the super flush that comes in a small yellow bottle. Follow the instructions exactly, with the exception being you can leave it in the cooling system for 5 - 15 minutes longer than they suggest without doing any damage at all. The first time I used it I was rather shocked at the amount of crap that came out of that rad. I filled and drained with water, and even more stuff came out, then replaced the coolant. Ran like a completely different car. Seriously, the stuff's only around 8 or 9 bucks, what do you have to loose? Good luck, safe motoring. Grimm
Posted on May 01, 2015
Blocked radiator feel radiator when you find the spot with the temp different that is the blockage.
Posted on Apr 30, 2015
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Posted on Jan 02, 2017
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