Forum Discussion
carringb
Jul 21, 2015Explorer
Having a 6.0 PSD means you really need a ScanGauge, UltraGauge or similar digital gauge monitor. Knowing not just specific coolant temps, but also oil temps and other parameters is essentially to not having a total engine meltdown on the side of the road.
I would not except 10,000 pounds up a 6% grade to even move the needle! This alone makes me worried your truck may not be cooling properly. Have you pulled a coolant sample lately to make sure there's no "tapioca" or other contaminates in the system? Tapioca-like precipitates are the first sign your coolant is breaking down (or is reacting because non-compatible coolant was added) and this can quickly plug the engine oil cooler, which will cause the EGR cooler to blow.
FWIW - the hottest I've seen on my V10 was 223F. That was climbing Death Valley west-bound, which I think is a 12% grade? Whatever it is, its steep and along, and it was 107F the last time I pulled it, with 15,000 pounds in tow. The 6.0 does seem to run a little warmer normally though.
I would not except 10,000 pounds up a 6% grade to even move the needle! This alone makes me worried your truck may not be cooling properly. Have you pulled a coolant sample lately to make sure there's no "tapioca" or other contaminates in the system? Tapioca-like precipitates are the first sign your coolant is breaking down (or is reacting because non-compatible coolant was added) and this can quickly plug the engine oil cooler, which will cause the EGR cooler to blow.
FWIW - the hottest I've seen on my V10 was 223F. That was climbing Death Valley west-bound, which I think is a 12% grade? Whatever it is, its steep and along, and it was 107F the last time I pulled it, with 15,000 pounds in tow. The 6.0 does seem to run a little warmer normally though.
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