Where to get new coolant hoses??? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 10 (permalink) Old 11-25-2006, 09:28 PM Thread Starter
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Where to get new coolant hoses???

Since I'm pulling the motor out and the hoses are 14 yearrs old, can't see reusing them.

Got some 7/8" heater hose and it's the same size as most of the hoses. The bends some of them make preslude the option of the generic 7/8" heater hose.

Anyone find a way other than BB or RA to get new ones?

Also, do the pipes that go into the top of the cylinder head come out? (easily)
Is there any o-ring or some kind of seal needed if you can take them out?

My are pretty rusty, would like to take them off and polish them, or at least clean them up.

Jon

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post #2 of 10 (permalink) Old 12-10-2006, 08:48 PM
 
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I was able to use bulk hose. The filler has a little pinch to it, but it's a filler, and it works just fine. Yeah, the barbs come out. They have a 10mm through a strap that attaches to the head. Yes, they have O-rings, and they should be reuseable. Concern yourself more with the surface in the head as opposed to the surface of the barb. It'll clean up okay, but the aluminum will be rough enough.
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post #3 of 10 (permalink) Old 12-10-2006, 08:58 PM Thread Starter
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Quote:
Originally Posted by El_Taco View Post
I was able to use bulk hose. The filler has a little pinch to it, but it's a filler, and it works just fine. Yeah, the barbs come out. They have a 10mm through a strap that attaches to the head. Yes, they have O-rings, and they should be reuseable. Concern yourself more with the surface in the head as opposed to the surface of the barb. It'll clean up okay, but the aluminum will be rough enough.
Dave -

I took the two pipes out and they are falling apart on the hose ends. Doubt I can reliablly reuse them. Same for the ends of the pipe on the back of the thermostat housing. This thing has some serious corrosion issues in the coolant system.

I will take your advise and have a real good look at the head where the pipes attach.

Thanks,

Jon

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Rick's Stator and R/R
MF AGM Battery
Coastered
Degoated
Shaved & Jetted
Iridium's
MAC Tapered Staggered Pipes
Battery/Temp/Clock Gauge
Stainless Steel Brake Lines
Dunlop D-404's
23,XXX miles and holding pending gasket change (underway!!!)
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post #4 of 10 (permalink) Old 12-20-2006, 04:53 PM
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Jon, were you able to find bulk hose for replacement of some of the coolant hoses? Also, are you replacing any of the air hoses? If yes to either...where'd ya get the replacement hose? Can I just go to my friendly-but-knowledgeless local auto parts dealer and ask for 7/8" coolant hose in bulk, or do I need to give them more info?

How'd the "engine put back" go? Everything back in the frame with no pieces left over?

C
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post #5 of 10 (permalink) Old 12-20-2006, 05:02 PM
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you may wanna do a radiator flush with the flush additive. this will desolve some/most of the build up. then make sure you put good radiator fluid in there.... i've heard of some using dexcool since it is desinged moreso for aluminum blocked engines

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post #6 of 10 (permalink) Old 12-20-2006, 06:13 PM
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Quote:
Originally Posted by Hizzo3 View Post
you may wanna do a radiator flush with the flush additive. this will desolve some/most of the build up. then make sure you put good radiator fluid in there.... i've heard of some using dexcool since it is desinged moreso for aluminum blocked engines
Just like doing a coolant flush for my car (only lower volume)? I have some dexcool sitting around from when I had an S-10, but a friend of mine who's a mechanic said he doesn't like the stuff - thinks it's part of Chevy's new "planned obsolescene" and that it does bad things to engines. Never had any trouble with my truck, and I'd just replace dexcool with the same - but I also sold it last year with 98K miles on it, so could be just a hunka metal now.

C
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post #7 of 10 (permalink) Old 12-20-2006, 06:58 PM Thread Starter
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Quote:
Originally Posted by Crobins365 View Post
Jon, were you able to find bulk hose for replacement of some of the coolant hoses? Also, are you replacing any of the air hoses? If yes to either...where'd ya get the replacement hose? Can I just go to my friendly-but-knowledgeless local auto parts dealer and ask for 7/8" coolant hose in bulk, or do I need to give them more info?

How'd the "engine put back" go? Everything back in the frame with no pieces left over?
Cindy -

Took about 15 minutes to get it back in, then had to put back all the motor mounts, the right side frame rail, etc. About half an hour from workbench to full buttoned up.

I have to put the radiator assembly back on, the exhaust, fill the fluids, put the front bevel gear case back on, right foot peg, shifter, and all the sensor connectors, and turn the key ( cross my fingers).

Carbs are rejetted, pod air filters are on.

The only hoses I was about to replace WITHOUT factory ones were from the thermostat housing to the radiator and from the thermostat housing to the radiator cap, in otherwords, not much. All of the pre-bent hoses have to come from Kaw (or disty), which is the two head to thermostat and bottom radiator to block ones. Found a good set on ebay.

Will keep you posted.

Jon

93VN750, under re-construction
vn750.com Member # 828

Rick's Stator and R/R
MF AGM Battery
Coastered
Degoated
Shaved & Jetted
Iridium's
MAC Tapered Staggered Pipes
Battery/Temp/Clock Gauge
Stainless Steel Brake Lines
Dunlop D-404's
23,XXX miles and holding pending gasket change (underway!!!)
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post #8 of 10 (permalink) Old 12-20-2006, 07:00 PM Thread Starter
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Quote:
Originally Posted by Hizzo3 View Post
you may wanna do a radiator flush with the flush additive. this will desolve some/most of the build up. then make sure you put good radiator fluid in there.... i've heard of some using dexcool since it is desinged moreso for aluminum blocked engines
Hizzo -

Picked up basically a new complete coolant system (hoses, thermostat housing, and radiator) that was whistling clean inside. Got new thermostat and radiator cap from Advanced Auto.

Didn't see any corrosion or build up anywhere.

I thought that any aluminum safe antifreeze would be good, no?

Jon

93VN750, under re-construction
vn750.com Member # 828

Rick's Stator and R/R
MF AGM Battery
Coastered
Degoated
Shaved & Jetted
Iridium's
MAC Tapered Staggered Pipes
Battery/Temp/Clock Gauge
Stainless Steel Brake Lines
Dunlop D-404's
23,XXX miles and holding pending gasket change (underway!!!)
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post #9 of 10 (permalink) Old 12-20-2006, 09:47 PM
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Quote:
Originally Posted by 93VN750 View Post

The only hoses I was about to replace WITHOUT factory ones were from the thermostat housing to the radiator and from the thermostat housing to the radiator cap, in otherwords, not much. All of the pre-bent hoses have to come from Kaw (or disty), which is the two head to thermostat and bottom radiator to block ones. Found a good set on ebay.

Will keep you posted.

Jon
Wow, you found the pre-bent ones on eBay? Awesome - those are running $14/pop at Ron Ayers. Maybe I'll look at mine a little more closely and just see... I did have a hose off the surge tank crumble in my hand, so I know I need to replace those. I'm guessing all of the hoses are potentially dry-rotted. Oog.

Hey, we want to see pics - especially of those mac pipes!! - as soon as that turn of the key allows you to breathe again!

C
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post #10 of 10 (permalink) Old 12-21-2006, 02:26 AM
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Well Jon, sounds like your re-assembly went smooth so far.
Best of luck on hearing things roar back to life !!


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