You can buy new clamps and tools for crimping them.

Here's just one link found via Google:

http://www.dripworksusa.com/store/clamps.php#tiptop

Mike

Mike wrote:
>  I reuse them when they're still in good shape.
>  I push a small standard screwdriver or pick into the raised crimp area.
> Then, wiggle and bend it side-to-side to open the crimped part and release
> the tension.  Then you can remove the hose.
>  To reuse it, I re-crimp it with end cutters (or side cutters, if you don't
> have those).  It works like a charm!
>
> Mike B.
>
> ----- Original Message -----
> From: "Scott Daniel - Shazam" <scottdaniel@TURBOVANS.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Sunday, January 27, 2008 1:02 AM
> Subject: Re: best way to remove original hose clamps?
>
>
> I don't think the poster is talking about 'springy' type coolant hose
> clamps,
> But the smaller crimp type ones on fuel hose.
>
> What I do is get a good size cutting dikes. And grab them on the part that
> sticks up, the crimped part, and  squeeze, then twist hard and that just
> snaps them, then I pull the now broken clamp off the hose.  No damage to
> the
> hose or anything.
> And replace them with good quality screw type # 4 size American style small
> hose clamps, or
> There are German  small ones that are even nicer with nicely  turned up
> edges that won't cut into the hose.
> Scott
> www.turbovans.com
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Mike Collum
> Sent: Saturday, January 26, 2008 9:19 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: best way to remove original hose clamps?
>
> Hose clamp pliers.
>
> I got mine from Sears and they're cable operated so the "working" part
> can get into hard to reach places.
>
> Mike
>
>
>
> Wesley Pegden wrote:
>> I'm planning on (finally) doing my engine compartment fuel lines
>> tomorrow.
>>
>> Before I do this, I was wondering what the "correct" way is to remove
>> the little factory original hose clamps (the ones that don't have
>> screws)?  In the past I've always just worked these with pliers until I
>> can bend them off---what's the best way to remove them to avoid damage
>> to anything like a nipple the hose is over?
>>
>> Thanks very much,
>> Wes
>> '83 1.9l westy
>>
>