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01-02-2019, 02:35 PM | #1 |
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Radiator heater hose fitting
Hello, working on 75 blazer, dont think radiator is stock, on passenger side from top down it has filler neck and cap, then overflow hose, then a heater hose fitting, the fitting appears to be plastic and screw into radiator then hose clamps on that, the plastic fitting is leaking, im hopping I can get a new fitting, not a new radiator, anybody seen this, i asked at oriellys and two shops, they didn't know, they didn't seem to sharp though. Below those three things are two transmission cooler lines, and then the main radiator hose!
Last edited by JR1; 01-02-2019 at 03:38 PM. Reason: I would also like to post the question on the truck board |
01-02-2019, 04:23 PM | #2 |
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Re: Radiator heater hose fitting
I would clean the area(sanding) around the fitting, look for cracks. Take out the fitting and check the threads, reinstall with a brass fitting of the correct size and thread sealer(perm a tex), then make sure the hose is supported in some fashion
If it is cracked, time for a radiator shop, or try to soldier it yourself, but I suspect the plastic threads gave out
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
01-02-2019, 05:16 PM | #3 |
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Re: Radiator heater hose fitting
Thank you, the fitting itself is cracking between threads and where the hose clamps on, where would I get a fitting this size? This seems like a common part but nobody seems to know about it.
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01-02-2019, 06:44 PM | #4 |
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Re: Radiator heater hose fitting
You could start at Jeg's, pretty common fitting in NPT with barbed end. about 28 pages of fittings
what size is it? I have extras laying around
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
01-02-2019, 06:52 PM | #5 |
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Re: Radiator heater hose fitting
Dont know, thought it might break if I took it off, since it's a very slow leak I thought I would wait till I found a part before taking it out, since you seen to think I'll be able to get one I'll take it out and measure it! What is it called at jegs?
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01-02-2019, 06:57 PM | #6 |
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Re: Radiator heater hose fitting
Btw what's NPT
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01-02-2019, 07:46 PM | #7 |
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Re: Radiator heater hose fitting
Google is your friend
National Pipe Thread Taper (NPT) is a U.S. standard for tapered threads used on threaded pipes and fittings. In contrast to straight threads that are found on a bolt, a taper thread will pull tight and therefore make a fluid-tight seal."
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01-02-2019, 07:50 PM | #8 |
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Re: Radiator heater hose fitting
Awesome, thanks, I'll pull the part and measure, I know the hose end is for 5/8 inch hose, just gotta measure the thread end, from looking at jegs, 1/2 is most common, so I'm guessing that!
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01-02-2019, 10:41 PM | #9 |
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Re: Radiator heater hose fitting
BTW, buy yourself a thread gauge, it will tell you how many threads per inch.
also try to buy a brass fitting, incase you have to solder the fitting to the tank. Is your radiator brass? p/n 984010 is earls in aluminum, but there are angled ones that may help for hose placement
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim Last edited by jaros44sr; 01-02-2019 at 10:46 PM. |
01-02-2019, 10:47 PM | #10 |
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Re: Radiator heater hose fitting
Thanks, maybe it is brass, its just a basic radiator, id eventually like to go aluminiun. Im supposed to be learning all this but life keeps getting in the way
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01-02-2019, 10:49 PM | #11 |
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Re: Radiator heater hose fitting
or NPS, national pipe straight
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
01-02-2019, 10:53 PM | #12 | |
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Re: Radiator heater hose fitting
Quote:
Glad I have the motor trend channel to keep me entertained
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
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01-02-2019, 11:17 PM | #13 |
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Re: Radiator heater hose fitting
Wow, now I feel bad for even joking, I hope you get better!
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01-03-2019, 10:04 AM | #14 |
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Re: Radiator heater hose fitting
No problem, getting old sucks, but it sure beats the alternative LOL
Let me know how you make out with the fitting
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
01-03-2019, 12:23 PM | #15 |
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Re: Radiator heater hose fitting
Home Depot, Lowes, whatever tend to carry brass barb fitting. They usually even have things there to help find the thread. You want your barb size to be 5/8", you can use the display to find your thread. Go for brass rather than plastic.
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1970 C20 Custom Camper - 350, TH350 1997 GMC Suburban 1994 Acura Integra GSR 1987 Dodge Daytona Shelby Z |
01-03-2019, 02:12 PM | #16 |
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Re: Radiator heater hose fitting
Thanks guys, I have a home depot list anyway, ( who doesnt). I notice you truck listed, u also have a 69, CAP custom camper longhorn 350 th400.
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01-03-2019, 02:28 PM | #17 |
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Re: Radiator heater hose fitting
Dang auto correct, I have a 69 c20 custom camper longhorn 350/400
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01-03-2019, 09:50 PM | #18 |
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Re: Radiator heater hose fitting
Nice rig. I had a 71 c30 longhorn with a 402 TH400. Single rear. Had a big camper like yours an pulled my boat withit at the same time. Had a step bumper with 2X2" square tube so I could extend the bumper beyond the camper. In a moment of stupidity, I sold it years ago.
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1961 C1 Corvette 1959 El Camino 350 TPI, 9" 4 w disc 69 Blazer K5 - sold July '20 2021 Durango RT 5.7 |
01-03-2019, 10:14 PM | #19 |
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Re: Radiator heater hose fitting
Well, it seems we humans get bored with stuff fir sure! I took this apart, its in the yard disintegrating until i freakout and cant believe i did that, then FIX IT UP AGAIN! It needs a more powerful motor! For SAFETY reasons of course!
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01-04-2019, 08:59 AM | #20 |
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Re: Radiator heater hose fitting
Nice truck! I love seeing old truck still working. That's an impressive load it's hauling.
I dig the buggie too. My father has has a 73 VW Thing since before I was born. I learned to drive stick in that Thing.
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1970 C20 Custom Camper - 350, TH350 1997 GMC Suburban 1994 Acura Integra GSR 1987 Dodge Daytona Shelby Z |
01-04-2019, 01:29 PM | #21 |
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Re: Radiator heater hose fitting
Thanks, the c20 longhorn handles the weight fine, the 350 motor complains the whole time But made it to the desert and back a few times, SO VINTAGE ITS FUN, camper is a 1971 vista Liner!
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01-04-2019, 08:13 PM | #22 |
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Re: Radiator heater hose fitting
Those bikes look like they are BLUE!!! Don't you know real bikes are red and orange
OW? Superstition? Where are you at?
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01-04-2019, 08:20 PM | #23 |
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Re: Radiator heater hose fitting
South of OW, fish creek old mine road area
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01-04-2019, 08:56 PM | #24 |
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Re: Radiator heater hose fitting
Very cool! WR's? What size?
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01-04-2019, 10:01 PM | #25 |
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Re: Radiator heater hose fitting
Old yz250 's, 2002, good bikes, WE SUCK THOUGH! BUT LOVE THE DESERT
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