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Ford Raptor Forums - General Information
Ford Raptor Problems and Questions Forum
Dreaded 4x4 popping and disengaging
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<blockquote data-quote="Mil T" data-source="post: 641441" data-attributes="member: 2727"><p>your right on all accounts and I think you are saying it but not seeing it.</p><p>My point is a <span style="color: Red">cracked <span style="color: Black">vacuum</span></span> line can cause a loss in vacuum but not completely so it allows the actuator to want to engage 4 wheel drive and sometimes does but the popping is the gear on the actuator not completely meshing and then popping off the hub gear which makes a large popping sound.</p><p>Your right in that if you loose vacuum the front hubs default to 4 wheel drive on the hubs only and causes the axles to spin but you are still not in 4 wheel drive until you switch the transfer case to 4 wheel. </p><p>I have not said that I was sure that was the problem but it is one of the most common problems for Ford F150 trucks to have. I was only suggesting to check it since it only takes 5 minutes with the proper tools.</p></blockquote><p></p>
[QUOTE="Mil T, post: 641441, member: 2727"] your right on all accounts and I think you are saying it but not seeing it. My point is a [COLOR="Red"]cracked [COLOR="Black"]vacuum[/COLOR][/COLOR] line can cause a loss in vacuum but not completely so it allows the actuator to want to engage 4 wheel drive and sometimes does but the popping is the gear on the actuator not completely meshing and then popping off the hub gear which makes a large popping sound. Your right in that if you loose vacuum the front hubs default to 4 wheel drive on the hubs only and causes the axles to spin but you are still not in 4 wheel drive until you switch the transfer case to 4 wheel. I have not said that I was sure that was the problem but it is one of the most common problems for Ford F150 trucks to have. I was only suggesting to check it since it only takes 5 minutes with the proper tools. [/QUOTE]
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Ford Raptor Forums - General Information
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Dreaded 4x4 popping and disengaging
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