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#727199 - August 25th 2017 10:41 pm Heater Hose Connector  
Joined: Aug 2016
Posts: 12
MtnCreeper Offline
stranger
MtnCreeper  Offline
stranger

Joined: Aug 2016
Posts: 12
CO
So I had a coolant leak and replaced the upper radiator hose and then noticed that I had a major leak in the heater hose going from the motor to the heater core(?) I'm not a great mechanic but that's what I gather. When I pulled that off it took the copper(?) pipe fitting with it out of the heater core. I had to cut that pipe out of the hose in order to reuse it. Needless to say I was able to get that piece of pipe back in but it is not sealing within with the heater core. There are no leaks between the hose and the copper pipe, just between the pipe and the heater core. I see newer 350 V8's have plastic connectors or threaded fittings which my 76 GMC does not have.

Is there something I can do to seal this or a replacement part that would work?

John
'76 GMC Vandura 4x4

#727210 - August 26th 2017 8:40 am Re: Heater Hose Connector [Re: MtnCreeper]  
Joined: Jul 2016
Posts: 87
BlairW Offline
journeyman
BlairW  Offline
journeyman

Joined: Jul 2016
Posts: 87
Saskatchewan
Sounds like it's Time for a new heater core.


1979 Nomad
2005 E350 Cutaway Class C
#727213 - August 26th 2017 9:01 am Re: Heater Hose Connector [Re: MtnCreeper]  
Joined: Nov 2013
Posts: 759
Wedgy Offline
old hand
Wedgy  Offline
old hand

Joined: Nov 2013
Posts: 759
West Texas
Bypass the core. Connect the two hoses together in a loop. No more leaky.


"Who New? Blue"
1990 Chevy G30 454
Church Van, maternity division

"Old Blue"
1988 Dodge B250

"Cabin Cruiser"
'94 Dodge B350 www.xplorermotorhome.com/
Xplorer MH model 230 230 hp MPI 360 LA Wedgy OD auto

Old vans never really die if we chose to let them live
#727218 - August 26th 2017 6:11 pm Re: Heater Hose Connector [Re: MtnCreeper]  
Joined: Dec 2014
Posts: 387
Magus Offline
enthusiast
Magus  Offline
enthusiast

Joined: Dec 2014
Posts: 387
Ohio
"Might" be able to braze or solder the connector back in.
New cores are available at most auto parts stores. Might even get
a decent one at pull a part even cheaper.
Big question is, do you need heat?

#727223 - August 28th 2017 12:51 am Re: Heater Hose Connector [Re: MtnCreeper]  
Joined: Aug 2016
Posts: 12
MtnCreeper Offline
stranger
MtnCreeper  Offline
stranger

Joined: Aug 2016
Posts: 12
CO
Thanks guys. Went with the bypass for now to get me through the summer fall and then figure out what from there.

Any good links etc for pulling the dash and doing the heater core?

#727224 - August 28th 2017 12:53 am Re: Heater Hose Connector [Re: Magus]  
Joined: Aug 2016
Posts: 12
MtnCreeper Offline
stranger
MtnCreeper  Offline
stranger

Joined: Aug 2016
Posts: 12
CO
Yup, I'm in Central Oregon (just moved from colorado) and my van is a 4x4 Camping machine. Plan to be hitting up different ski areas in PNW on weekends in the winter so will definitely need heat.

#727231 - August 28th 2017 9:53 am Re: Heater Hose Connector [Re: MtnCreeper]  
Joined: Jan 2001
Posts: 1,856
Meanmachine Offline
veteran
Meanmachine  Offline
veteran

Joined: Jan 2001
Posts: 1,856
Kellettville, PA
Search youtube for video's on replacement of the core. On the 76 do you even need to pull the dash. I replaced the core on my 79 Blazer and had to remove the glove box to access it. Lots of Chevy how-to forums that are loaded with info.

#727233 - August 28th 2017 10:46 am Re: Heater Hose Connector [Re: MtnCreeper]  
Joined: Aug 2016
Posts: 12
MtnCreeper Offline
stranger
MtnCreeper  Offline
stranger

Joined: Aug 2016
Posts: 12
CO
Thanks I'll definitely jump on youtube, that's pretty much how I've figured out how to fix anything so far. Was just thinking there might be something specific on here related to pulling the dash but it would be awesome if I didnt have to.


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