What goes here? - Diesel Forum - TheDieselStop.com
6.7L Power Stroke Engine and Drivetrain Discussion of the 6.7L Power Stroke diesel engine and drivetrain in the 2011-Up Super Duty trucks. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.7L Power Stroke engine.

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post #1 of 9 (permalink) Old 06-22-2019, 08:18 AM Thread Starter
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What goes here?

Just got this back from the shop. It looks like some hose or something is missing.
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post #2 of 9 (permalink) Old 06-22-2019, 08:59 AM Thread Starter
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I found a hose that had apparently been tucked out of the way while the turbo was being replaced.
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post #3 of 9 (permalink) Old 06-22-2019, 11:47 AM
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It is part of the secondary cooling system. It cools the air coming through the CAC (inter cooler) along with other items.


I would take it back to the shop that replaced the turbo and have them fill the secondary cooling system with coolant at no cost.

Here are diagrams of the primary and secondary cooling systems.
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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, Camper Package, 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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post #4 of 9 (permalink) Old 06-22-2019, 04:28 PM Thread Starter
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Does only air go through it? It certainly doesnít look like a liquid hose. Is filling the secondary system something that should have been, and may have been, done with the turbo replacement? Sorry for my diesel ignorance. Iím going to be leaving on a long pull before the dealer opens back up on Monday.
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post #5 of 9 (permalink) Old 06-22-2019, 04:57 PM
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I might be wrong...first appearance it appeared the photo was the inter cooler......but might be wrong....maybe Ford Diesel Doctor will read and reply.

Any moer photos?

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, Camper Package, 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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post #6 of 9 (permalink) Old 06-22-2019, 08:44 PM Thread Starter
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The hose went to a rectangular plastic box close to the firewall and has a twist type release on it.
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post #7 of 9 (permalink) Old 06-23-2019, 05:40 AM
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Crank Case Vent??

2015 F-350 CCLB PSD 4X4 3.55 ELD

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Some stock stuff, some modded stuff, some deleted stuff.....
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post #8 of 9 (permalink) Old 06-23-2019, 06:08 AM
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It is the crankcase vent. With it disconnected the check engine light should be on... you are sucking in un-filtered air into the engine... which is also un-metered air that will cause performance issues, EGR faults and exhaust aftertreatment concerns if left off long enough.


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post #9 of 9 (permalink) Old 06-23-2019, 07:01 AM Thread Starter
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Thanks! I didn't have a check engine light or any codes. I drove it about 20 miles before discovering and reattaching.
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