How tight to tighten CAC boots - Ford Powerstroke Diesel Forum
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Old 08-10-2013, 05:49 PM

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How tight to tighten CAC boots

Getting ready to replace my old CAC boots since they are leaking. When installing the new ones how tight are you guys tightening them down to? Is there a specific torque rating? Don't want to over tighten the clamps nor do I want them to leak or loose pressure. Any input would be great, thanks!
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Old 08-10-2013, 07:23 PM
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I don't have my workshop manual with me right now, but I seem to remember them being spec'd at something like 11 ft/lbs. Whatever the number was, I remember it seeming low to me at the time.
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Old 08-10-2013, 07:35 PM
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According to dieselsite the recommended torque spec is 60 in-lbs. I have had trouble with mine popping off so I have some of mine doubled clamped and they are all much tighter that 60 in-lbs or 11 ft-lbs.

If your replacing your boots I highly recommend the dieselsite ones, they come with new clamps and as far as I know they are the only ones that wont degrade because of oil.

also after I installed and double clamped my set I heard a good way to keep them from blowing off, hairspray, spray a bit on the pipe, slip the boot on, tighten and your good to go.
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