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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Erratic Coolant temps?
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<blockquote data-quote="Sbags" data-source="post: 1741141" data-attributes="member: 23624"><p>Thought I would close the loop on this one for me in case it helps someone else. I've heard of tons of people with high coolant temps after the VCT repair. I had taken the truck to the dealer two times for this issue after the VCT repair and their response was: it hasn't pulled any codes, so it's fine. And according to them, it was normal for the truck to operate at 230 degrees in 20 degree weather driving around town. </p><p></p><p>As mentioned, this all started after the cam phaser repair, so I thought it was maybe an air bubble. I followed the Ford protocol for bleeding the coolant system twice to see if the dealership somehow left an air bubble in it. No help. </p><p></p><p>I decided to replace the thermostat myself. Perhaps it was all a coincidence and the thermostat was failing after five years. The fan was running 100% of the time I was driving, which didn't happen for the first four years I owned the truck. </p><p></p><p>I went with a 170 degree SPD performance thermostat. Engine runs perfect now at 185-205, even when in sport mode on a hot day with full throttle up at 15% hill. I've heard that these engines need to run hot, but having the two stage fan running in all conditions is not right, especially given I hadn't experienced that for the first four years of ownership. </p><p></p><p>Hope this helps.</p></blockquote><p></p>
[QUOTE="Sbags, post: 1741141, member: 23624"] Thought I would close the loop on this one for me in case it helps someone else. I've heard of tons of people with high coolant temps after the VCT repair. I had taken the truck to the dealer two times for this issue after the VCT repair and their response was: it hasn't pulled any codes, so it's fine. And according to them, it was normal for the truck to operate at 230 degrees in 20 degree weather driving around town. As mentioned, this all started after the cam phaser repair, so I thought it was maybe an air bubble. I followed the Ford protocol for bleeding the coolant system twice to see if the dealership somehow left an air bubble in it. No help. I decided to replace the thermostat myself. Perhaps it was all a coincidence and the thermostat was failing after five years. The fan was running 100% of the time I was driving, which didn't happen for the first four years I owned the truck. I went with a 170 degree SPD performance thermostat. Engine runs perfect now at 185-205, even when in sport mode on a hot day with full throttle up at 15% hill. I've heard that these engines need to run hot, but having the two stage fan running in all conditions is not right, especially given I hadn't experienced that for the first four years of ownership. Hope this helps. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Erratic Coolant temps?
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