"Bucking" around

Phil Rose pjrose at frontiernet.net
Mon Jun 17 23:23:09 EDT 2002

At 5:59 PM -0700 6/17/02, Neil Vonhof wrote:
>So the question I have is how do you guys deal with this? Is there a tried
>and true way to get that hose fully on (and maybe clamped) so that it stays
>put? I am using the stock vac. hose which I have thoroughly inspected and
>found to be in good shape. I know about the idea of replacing and re-routing
>the hose away from it's normal path - away from the heat, but my hose is in
>good condition so I have yet to have the need to do that. Is there hose
>around with a slightly larger inside diameter that would more easily slide
>on and then use a clamp?

below is a copy of my Sept 2000 post about just this situation. It
might be what you need:


>>How to clamp certain Audi small-diameter vacuum or pressure hoses?  The
>>factory often installs a crimped-on single-use clamp, but after it's
>>removed we're faced with a problem of how to resecure. In my experience,
>>such tiny sizes (for 0.25- 0.3 inch dia. hose) of screw-drive hose clamp
>>aren't carried in many automotive supply outlets. Also there can be a
>>problem of insufficient clearance for the bulky screw-drive of an ordinary
>>hose clamp An example of this is the vac/boost hose that controls the
>>throttle over-run shutoff valve (affectionately known as turbo bypass).
>>This valve has a hose nipple that is recessed in the valve body and doesn't
>>provide much (any?) room for a conventional screw-drive clamp.
>>However I recently came upon an item that may serve well in some of these
>>situations: the "Easy Clamp". This type of clamp is a familar looking
>>little band of spring-steel that is operated (loosened) by using ordinary
>>pliers to squeeze a set of opposing tabs.  When you let go, the clamp
>>tightens by spring-action. The clamp size should be selected so that it
>>slides on  over the empty hose with some resistance (or with a little
>>speading); then it will provide substantial holding force after a fitting
>>(e.g., hose nipple) is inserted. Some layers of tape might be used if the
>>clamp is slightly oversized. I've just used several of these clamps to
>>secure the hoses to a small T-fitting that feeds my boost gauge.
>>I haven't had a chance to verify that this type of clamp will actually fit
>>at the turbo bypass valve nipple, but I expect it should work (gripping it
>>with needle-nose pliers). I've seen two sizes: 1/4" and 3/8" (hose O.D.;
>>there may be a 5/16" available as well as larger sizes.) I wouldn't
>>recommend these be used where holding power is critical (oil, brake,
>>coolant) but they seems like a useful kind of clamp for boost and vac
>>lines. I found mine at Lowe's--located in the plumbing department's display
>>of brass pipe and tubing (compression) fittings. The supplier is
>>Anderson-Barrows (p/n A-88 and A-190 for the 1/4" and 3/8' size,
>>respectively.) I'm sure they're also listed in many catalogs.

Phil Rose
Rochester, NY
mailto:pjrose at frontiernet.net

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