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YOUR RESEARCHHose Clamp Question
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Replace almost all these type clamps
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That being said I have replaced almost all these type clamps on my car with worm drives.
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I replaced those years ago with some SS worm clamps.
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Im a tool *****, but just used channel locks on mine.
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You can clean them, hit them with 400 grit sandpaper, and paint with non-gloss Ford gray used on medium duty truck wheels to make them look factory.
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Used standard pliers on mine too- just grab at one end and squeeze the metal spring back - slide jose clamp back up the hose - that is the easy part - getting hose to separate from pipe was much harder - try twisting back:forward to break seal (from years of sitting on there) - or worst case carefully use screwdriver to pry hose from pipe all the way around being very carefully not to tear hose.
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getting ready to tackle my water pump in the next couple of days. Are the hose clamps in the picture one time use? if not, what is the proper way to remove without damage.
thank you.
There is a special hose spring clamp plier tool available at Sears and most auto parts stores. You can also use a pair of channel locks. I replaced those years ago with some SS worm clamps. Good luck with your project.
Do yourself a favor and buy some of these. They aren't expensive and will save your hands/fingers when dealing with the OEM clamps. I prefer the OEM just to look stock but I realize the good quality SS are fine too.
Yes, the clamp is reusable as long as you don't damage it during removal. Given the age though there's some chance it may not be as tight as new so that may create leak. If that happens, just replace it with a NORMA worm type hose clamp (OEM) of the proper size.
That clamp is still in good shape. If you don't bend it, it will be reusable. They are meant to be reusable. Having the proper tool is nice but a pair of adjustable pliers will work too but it can slip if you are not careful.
I would buy the tools suggested above and also replace the clamps with the screw type ones which you can get from Pelican Parts. It will make removing the clamps a breeze the next time.
Personally I would keep the OEM clamps just for looks. You can clean them, hit them with 400 grit sandpaper, and paint with non-gloss Ford gray used on medium duty truck wheels to make them look factory. I have the paint code if you need it.
KrazyK, If you went as far as to detail the hose clamps by sanding and painting them I wish I could of seen the engine when it was done. I'm pretty new to this forum and get the impression that you built or rebuilt a nice car but never drove it and then sold it. My hunch is it was a super nice car so why did you get rid of it? One time I had a 275 GTB4 Ferrari that I drove from New Jersey to Los Angeles where I lived. I then used to drive it all over SoCal. They were not worth all that much back then as the Daytona's were the hot model at the time. I loved driving the 275 but eventually I decided to have it restored. I offered a guy from the Ferrari dealership who was a fanatic to work for me full time at a price he couldn't refuse. It took a little over a year for him to finish the car working in my shop every day. I bought a new Boxer 512 to drive as it looked to me that the 275 would never get done. When it was finally finished it was to nice to drive and I had taken most of the fun out of owning it. I sold it and was lucky because at the time I sold it the 275 prices were skyrocketing and I had one of the nicest in the country. I still like super clean cars and bikes but I'll never let one get one to nice to drive again. The thing about the 996 is that no matter how nice it is it still is a cheap car, the most fun comes from driving it as it drives like an expensive one.
Here's an alternative idea.
Substituting worm drive hose clamps for the OEM spring clamps is questionable imho. If you want an upgrade that is easy to remove with conventional tools, consider a "constant torque" clamp that incorporates belville washers(odd compression spring) +hex head . Get the stainless steel and they will outlast the car. They tend to be bulky.
http://www.hoseclampkings.com/Cat-49...0-ss-screw.htm
Actually Porsche start to use the worm drive (Norma) clamps in their latest parts databse. Check out parts 2, 20, 21 and 30 for examples.
http://www.autoatlanta.com/porsche-p...section=105-05
JD, I really do enjoy restoring/rebuilding vehicles from Jeeps, Broncos, to Diesel pickups. (was joking about painting them but I did obsess about finding the wheel paint) Only problem is I sometimes get OCD to a degree that it makes them hard to finish with any profit.
About the hose clamps; There is a special titanium clamp used in the nuclear reactor industry/heat exchanger application which have a 0% failure rate by necessity. I can probably source some for your car but there is a lengthy wait and high cost involved. They were developed to prevent incidents such as Three Mile Island, Chernobyl, and Tokaimura. Just let me know when you need them.
My special tool has always been my vise grips. No need to waste money on a special tool you are going to use only a handful of times. Also the clamps will be perfectly fine to use over again.
Used standard pliers on mine too- just grab at one end and squeeze the metal spring back - slide jose clamp back up the hose - that is the easy part - getting hose to separate from pipe was much harder - try twisting back:forward to break seal (from years of sitting on there) - or worst case carefully use screwdriver to pry hose from pipe all the way around being very carefully not to tear hose. I think there is hose removal tool that might help there- but I just used flat blade. When you out the spring clamps back on make sure they go back to original position - ie not too close to end if hose - else you might get leak
The special tool with the cable is very handy. There are a lot of these clamps on the car and many of them are in places where it is difficult to get a pair of pliers into. The cable pliers let you snake in the end that goes on the clamp and once on the clamp they lock in place so that you can twist and work the clamp off. Well worth the few bucks they cost.
That being said I have replaced almost all these type clamps on my car with worm drives. I did buy good quality ones with rolled edges so they don't cut into the hoses, not the el cheapo ones found at Ace and Home Depot. I believe that the spring type clamps are used as they go on quickly and easily in a manufacturing environment.
Problem is there are many hose clamps that can't be reached without cable operated hose-clamp pliers. This is a particular problem if clamps were positioned during a rebuild .Once the engine is back in position, access by vise grips is often blocked .
The Mayhew cable operated hose clamp pliers are affordable to the average M96 diyer but are Made in France! For the same price you can get a complete kit - Made in China.
http://www.ebay.com/itm/New-7-Pc-Fle...item540e4914c8
Ahsai, have you had any issues with your newer screw-type hose clamps? I just ordered a replacement coolant pipe and was not expecting the newer type, as I've heard that they aren't as good as the original spring-type clamps? Thoughts on this? My 19-yr-old clamps, I'm guessing, shouldn't be reused. Pelican Parts said that even Porsche has approved these newer clamps.
I reuse the original clamps as long as they are not damaged. They maintain constant pressure as the hose compresses and they do not dig into or cut the hose as you tighten them.
get the tool.
https://www.walmart.com/ip/Flexible-...&wl13=&veh=sem
Good to know. However, I�m curious as to why Porsche moved to the newer style clamp. Did they do this on newer cars because they are better and solve issues, or did they do it because it�s too hard (expensive) to make the old-style clamps for classic cars?
I don't have the answer but I love the low profile stock clamps and how reliable they are. The only ones I have ever replaced (for a peace of mind) are the AOS small ones (~12mm) because they feel kinda weak.
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I used to think those spring-type clamps were a serious nuisance. Then I got a fairly cheap version of the cable clamp tool shown above - works great.
I now feel spring clamps are clearly superior.
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