2016 secondary coolant system - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 06-23-2019, 04:16 PM Thread Starter
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2016 secondary coolant system

I have a 2016 f350 cab and chassis deleted. I had a new secondary radiator and water pumped install recently because there was a crack on the radiator. The problem I have is it’s building pressure and blowing out of the overflow on the coolant tank. It then throws engine code and if I run my truck hard the transmission temperature will go above the 1/2 way mark where it normally runs. I’m trying to figure out why it’s building pressure. I had a ford dealer put in the radiator and water pump. They also cleaned or purge the lines before installing them. Someone told me it was the Intercooler and I’ll have to replace it but I have no idea
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post #2 of 4 Old 06-23-2019, 05:29 PM
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Take it back to the shop that did the work..


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2016 F-250 Super Crew XLT 6.7L
2007 F-250 Super Cab XL 6.0L (sold)

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post #3 of 4 Old 06-23-2019, 05:32 PM
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Could be a leaking intercooler.
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post #4 of 4 Old 06-23-2019, 05:35 PM
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It is possible you have an intercooler problem...
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Larry

2015 F350 Ultra Lariat 6.7L CCLB DRW 3.73 Limited Slip, Green Gem Metallic w/ Caribou accent, Camper Package, Titan 65gal tank, Rapid Heat, Block Heater, Upfitter Switches, Dual Alternators, Cable Lock, Husky Floor Liners, Spray in Bedliner, 5th Wheel Prep, 25K 5th Wheel Hitch, Ford Goose Neck Hitch.

Traded 2011 F350 XLT CCLB SRW 6.2L gasser 6,000 miles for 2015

Sold 1996 F350 XLT CCLB DRW 7.3L 208,000 miles
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