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Constant tension worm gear hose clamps #4518905
09/17/17 06:51 PM
09/17/17 06:51 PM
Joined: Oct 2002
Posts: 22,168
Colorado Springs
Drew99GT Offline OP
Drew99GT  Offline OP
Joined: Oct 2002
Posts: 22,168
Colorado Springs
Just have to mention, these things work awesome! This style with the bellville spring washer assembly that takes up slack from the expansion/contraction heat cycle of a hose.

https://www.napaonline.com/en/p/BK_7051504

I had to replace a small water bypass hose on the water pump for my Corolla and it's pretty much impossible to get the factory spring clamps back on there without a lift or removing the power steering pump, since it's on the back of the engine. I tried regular and lined heavy duty worm gear clamps and couldn't get it to stop leaking, but the constant tension ones has stayed leak free. Just an FYI if anyone has to use worm gear clamps and they end up leaking.

Last edited by Drew99GT; 09/17/17 06:53 PM.
Re: Constant tension worm gear hose clamps [Re: Drew99GT] #4518915
09/17/17 07:02 PM
09/17/17 07:02 PM
Joined: Jan 2013
Posts: 911
California
Kool1 Offline
Kool1  Offline
Joined: Jan 2013
Posts: 911
California
I agree with you 100%. I bought similar clamps at O'Reilly Auto.

https://www.oreillyauto.com/detail/maste...mp47036/4458975

I had regular band clamps that would not stop leaking on my radiator hose so I tried the constant tension clamps and all leaks stopped. I've had these clamps on for about a year and a half and am very happy.

Re: Constant tension worm gear hose clamps [Re: Drew99GT] #4519024
09/17/17 08:55 PM
09/17/17 08:55 PM
Joined: Nov 2009
Posts: 5,123
Houston, Texas
motor_oil_madman Offline
motor_oil_madman  Offline
Joined: Nov 2009
Posts: 5,123
Houston, Texas
I need a couple of these. I wonder if they make 2" diameter ones.


2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.

Re: Constant tension worm gear hose clamps [Re: Drew99GT] #4519025
09/17/17 08:56 PM
09/17/17 08:56 PM
Joined: Nov 2009
Posts: 5,123
Houston, Texas
motor_oil_madman Offline
motor_oil_madman  Offline
Joined: Nov 2009
Posts: 5,123
Houston, Texas
is that what causes it? I thought it was engine vibration.


2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.

Re: Constant tension worm gear hose clamps [Re: Drew99GT] #4519031
09/17/17 09:05 PM
09/17/17 09:05 PM
Joined: Oct 2009
Posts: 3,947
Ohio
L_Sludger Offline
L_Sludger  Offline
Joined: Oct 2009
Posts: 3,947
Ohio
Nice to hear that these clamps worked out well for you, Drew. Another arrow to put into my quiver for situations like the infamous leaking hard-to-get-to heater hose. I had a similar situation with a Toyota Cressida almost two decades ago, ultimately I think I ended up double clamping with worm drives to get it to stop leaking. Back then I didn't know any better.


too many cars and oil combinations to list in 150 characters or less
Re: Constant tension worm gear hose clamps [Re: Drew99GT] #4519117
09/18/17 03:35 AM
09/18/17 03:35 AM
Joined: Sep 2013
Posts: 10,679
Indiana
dlundblad Offline
dlundblad  Offline
Joined: Sep 2013
Posts: 10,679
Indiana
The constant tension clamps for the heater hoses in my truck are not working anymore. I'll swing by NAPA sometime this week hopefully.

Leaking at the heater core and pump housing. I originally thought my pump was leaking where the heater hose pipe meets the housing, but who knows now.


03 Jeep WJ 4.0 202k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Constant tension worm gear hose clamps [Re: motor_oil_madman] #4519163
09/18/17 06:02 AM
09/18/17 06:02 AM
Joined: Nov 2006
Posts: 20,569
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,569
MA, Mittelfranken.de
Originally Posted By: motor_oil_madman
I need a couple of these. I wonder if they make 2" diameter ones.


Sure do almost to 7". I buy them in bulk from Rock.

http://www.rockauto.com/en/tools/hoses/pipes+&+clamps,clamp

If you want it 100% leak free put a thin coat of Hylomar M (google for best price) on the hose nipple then just snug the clamp, you will still be able to remove the hose at any time in the future without difficulty.


ASE L1, Master. Deutsch Meisterbrief.
Re: Constant tension worm gear hose clamps [Re: Drew99GT] #4519186
09/18/17 06:37 AM
09/18/17 06:37 AM
Joined: Sep 2012
Posts: 5,460
DFW
DBMaster Offline
DBMaster  Offline
Joined: Sep 2012
Posts: 5,460
DFW
For 25 years I have had 100% adequate performance simply reusing the tabbed spring clamps that came with the car. I only use replacement clamps if the hose nipple shows signs of significant pitting. If it ain't broke...

Re: Constant tension worm gear hose clamps [Re: DBMaster] #4519339
09/18/17 10:16 AM
09/18/17 10:16 AM
Joined: Oct 2002
Posts: 22,168
Colorado Springs
Drew99GT Offline OP
Drew99GT  Offline OP
Joined: Oct 2002
Posts: 22,168
Colorado Springs
Originally Posted By: DBMaster
For 25 years I have had 100% adequate performance simply reusing the tabbed spring clamps that came with the car. I only use replacement clamps if the hose nipple shows signs of significant pitting. If it ain't broke...


So have I, but sometimes the location of hoses is detrimental to reusing the factory spring clamps since you have to have a large pair of vice grips to install them.

Re: Constant tension worm gear hose clamps [Re: Drew99GT] #4519441
09/18/17 12:45 PM
09/18/17 12:45 PM
Joined: May 2008
Posts: 2,094
SoCal
UG_Passat Offline
UG_Passat  Offline
Joined: May 2008
Posts: 2,094
SoCal
Originally Posted By: Drew99GT
Originally Posted By: DBMaster
For 25 years I have had 100% adequate performance simply reusing the tabbed spring clamps that came with the car. I only use replacement clamps if the hose nipple shows signs of significant pitting. If it ain't broke...


So have I, but sometimes the location of hoses is detrimental to reusing the factory spring clamps since you have to have a large pair of vice grips to install them.


That's why I have the cable operated tool,


2016 VW Tiguan|APR Stage 1|Neuspeed P-Flo|Osram CBI|Redline 5w30
Re: Constant tension worm gear hose clamps [Re: Drew99GT] #4519451
09/18/17 12:55 PM
09/18/17 12:55 PM
Joined: Jun 2013
Posts: 1,125
iowa
Traction Offline
Traction  Offline
Joined: Jun 2013
Posts: 1,125
iowa
After using the CT clamps, I'll never use a regular worm clamp again.


Certified Tire Service Instructor since 2009
50 Chevy Fire Truck
13 Tahoe Pursuit
97 C5 Corvette
00 BMW M Roadster
02 Camry
12 Camry
81 Camaro
55 Chevy C4
Re: Constant tension worm gear hose clamps [Re: Traction] #4519593
09/18/17 04:23 PM
09/18/17 04:23 PM
Joined: Oct 2011
Posts: 1,459
CA
user52165 Offline
user52165  Offline
Joined: Oct 2011
Posts: 1,459
CA

Re: Constant tension worm gear hose clamps [Re: user52165] #4520301
09/19/17 12:19 PM
09/19/17 12:19 PM
Joined: May 2005
Posts: 2,249
Toronto, Canada
George7941 Offline
George7941  Offline
Joined: May 2005
Posts: 2,249
Toronto, Canada
I second the shrink clamps. I haven't had a single leak with shrink clamps, so they are what I use for tough to seal hoses.


2006 GMC Sierra 4.3l, NV3500,G80 , Mobil 1 5W30, Dexcool.
1987 BMW R80 - sold
2015 Honda CBR300R

Staying out of the right lane a lot.
Re: Constant tension worm gear hose clamps [Re: Drew99GT] #4521722
09/20/17 09:15 PM
09/20/17 09:15 PM
Joined: Apr 2012
Posts: 292
Michigan
researcher Offline
researcher  Offline
Joined: Apr 2012
Posts: 292
Michigan
I had trouble with the genuine Toyota clamps I got from the dealer. only 3 out of 4 were able to slide on! I measured the diameter of one neck the clamp was supposed to go on and there was NO way the one from the dealer was going to fit. I double checked their part number and that's what Toyota said was correct. Not in this dimension! lol..

I went with a constant-tension worm hose clamp and PERFECT fit! I got mine from Oreilly. I've always liked the spring clamps the dealer has, but this is practically the same idea! No leaks just tightened it down til it was snug and not smashing the heck out of the hose end! lol

Re: Constant tension worm gear hose clamps [Re: researcher] #4521743
09/20/17 09:36 PM
09/20/17 09:36 PM
Joined: Dec 2005
Posts: 10,284
Upper Midwest
kschachn Offline
kschachn  Offline
Joined: Dec 2005
Posts: 10,284
Upper Midwest
Originally Posted By: researcher
I had trouble with the genuine Toyota clamps I got from the dealer. only 3 out of 4 were able to slide on! I measured the diameter of one neck the clamp was supposed to go on and there was NO way the one from the dealer was going to fit. I double checked their part number and that's what Toyota said was correct. Not in this dimension! lol..

I went with a constant-tension worm hose clamp and PERFECT fit! I got mine from Oreilly. I've always liked the spring clamps the dealer has, but this is practically the same idea! No leaks just tightened it down til it was snug and not smashing the heck out of the hose end! lol

Was the hose an OEM hose? I had an aftermarket hose on my ECHO once and the clamps wouldn’t fit as you describe. I installed a Toyota hose and the clamps fit fine.


1994 BMW 530i, 238K
1996 Honda Accord, 266K
1999 Toyota Sienna, 407K
2000 Toyota ECHO, 280K
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