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12 Posts
OK I read thru the over heat issues but mine is different and I wanted to get everyone's take. Also I have had mine for 5yrs now and do some pretty heavy towing a wakeboat so I know what this truck is capable of if anyone has any other questions on heavy towing with these, I added a huge tranny cooler made for a F350 and magnaflow. Understand that althought the boat weighs 5000-6000 with the waketower and speakers are like a windsail so at 65-75MPH the weight would more feel like 8000lbs with the wind resistance on the engine pulling it.
ok last 4 yrs-- the temp guage never got over 220ish--never under any conditions towing 6000lbs, ac on, hills no issues. This summer it starts to run hot (up to the 3/4 part of the guage, 240's, A/C makes it WAY worse) and I get a check engine light--the code is "Engine Fan Rational" So I end up replacing the fan clutch. FYI they made an EXTREME DUTY fan clutch at least for the 5.3, I got it from an Oreilly's in NC. SPINS MUCH FASTER than the OEM for that first 10 seconds when you start the truck. 209$ then I had a mechanic install for 150$. It did not solve the issue.
Now the problem is when is the computer set to kick the fan up into high gear? It never kicks into high gear up to 240ish, tho hotest it went before I turned the heater on was 240ish. I started freaking out slowed down and turn the heater on and it cooled down some. At what temp should it hit that high revving sound like for the first 10 seconds when you start the truck? That is what I need. I would think anything above 215 it would kick into high gear and cool the engine down to the 210 midpoint. Or is it ok to run it almost all the way up to the red line at 265? Non towing it does fine, a little warmer, maybe up to 225. Do any of those performance programmmers allow you to adjust the settings of when the fan clutches kicks in and off high gear?
At what temp does everyone else's fan kick into the high gear? That high gear on the fan would solve my problems for sure.
ok last 4 yrs-- the temp guage never got over 220ish--never under any conditions towing 6000lbs, ac on, hills no issues. This summer it starts to run hot (up to the 3/4 part of the guage, 240's, A/C makes it WAY worse) and I get a check engine light--the code is "Engine Fan Rational" So I end up replacing the fan clutch. FYI they made an EXTREME DUTY fan clutch at least for the 5.3, I got it from an Oreilly's in NC. SPINS MUCH FASTER than the OEM for that first 10 seconds when you start the truck. 209$ then I had a mechanic install for 150$. It did not solve the issue.
Now the problem is when is the computer set to kick the fan up into high gear? It never kicks into high gear up to 240ish, tho hotest it went before I turned the heater on was 240ish. I started freaking out slowed down and turn the heater on and it cooled down some. At what temp should it hit that high revving sound like for the first 10 seconds when you start the truck? That is what I need. I would think anything above 215 it would kick into high gear and cool the engine down to the 210 midpoint. Or is it ok to run it almost all the way up to the red line at 265? Non towing it does fine, a little warmer, maybe up to 225. Do any of those performance programmmers allow you to adjust the settings of when the fan clutches kicks in and off high gear?
At what temp does everyone else's fan kick into the high gear? That high gear on the fan would solve my problems for sure.