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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
IWE vacuum system upgrades
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<blockquote data-quote="Squatting Dog" data-source="post: 209986" data-attributes="member: 1688"><p>Here is what I am thinking/planning to upgrade the four wheel drive/IWE vacuum system. Since the system is extremely prone to damage by moisture and contamination entering the system. The first area that needs to be addressed is the open "vent" tubes on both sides. When you switch into 4wd, the IWE module releases the vacuum. It is "vented" which means air is pulled into the "vent" lines and into the IWE. This would introduce contamination and moisture into the IWE. Then when you switch back into 2wd, the system pulls a vacuum through IWE module and pulls the moisture and crap into the IWE module.. </p><p>So to solve this issue the IWE "vent" lines need to filtered and relocated.</p><p></p><p>The second main issue is the flimsy weak plastic lines. These lines run from the IWE to a plastic nonbarbed tee, to the driverside IWE exposed on spindle. Then continues along frame rail forward to front crossmember and crosses under skidplate to passenger side. Down the spindle exposed and finally to the passengerside IWE.</p><p>First off, this rubber hose is vunerable to damage in several locations. To improve this IWE vacuum line "system", I am thinking about replacing all the IWE vacuum lines. Using seemless stainless steel tubing to replace all stationary vacuum lines. And russell "type" stainless steel braided lines on all flexible lines. </p><p></p><p>These two modifications should dramatically improve the IWE system.</p><p></p><p>Any thoughts, ideas, suggestions (BIGJ????)</p><p></p><p></p><p>-Greg</p></blockquote><p></p>
[QUOTE="Squatting Dog, post: 209986, member: 1688"] Here is what I am thinking/planning to upgrade the four wheel drive/IWE vacuum system. Since the system is extremely prone to damage by moisture and contamination entering the system. The first area that needs to be addressed is the open "vent" tubes on both sides. When you switch into 4wd, the IWE module releases the vacuum. It is "vented" which means air is pulled into the "vent" lines and into the IWE. This would introduce contamination and moisture into the IWE. Then when you switch back into 2wd, the system pulls a vacuum through IWE module and pulls the moisture and crap into the IWE module.. So to solve this issue the IWE "vent" lines need to filtered and relocated. The second main issue is the flimsy weak plastic lines. These lines run from the IWE to a plastic nonbarbed tee, to the driverside IWE exposed on spindle. Then continues along frame rail forward to front crossmember and crosses under skidplate to passenger side. Down the spindle exposed and finally to the passengerside IWE. First off, this rubber hose is vunerable to damage in several locations. To improve this IWE vacuum line "system", I am thinking about replacing all the IWE vacuum lines. Using seemless stainless steel tubing to replace all stationary vacuum lines. And russell "type" stainless steel braided lines on all flexible lines. These two modifications should dramatically improve the IWE system. Any thoughts, ideas, suggestions (BIGJ????) -Greg [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
IWE vacuum system upgrades
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