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 HEATER HOSE 
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Post HEATER HOSE
i have a 1994 1.6L DOHC engine with a manual transmission. I'm looking for the name of the heater hose that is connected to outlet side of the heater core and is routed to a connection below the air box. Any help would be greatly appreciated.

Pat


May 14 2012, 10:15 AM
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Post Re: HEATER HOSE
I looked at a manual I downloaded several years back and could not find a name for either of the hoses. It labeled them 'from heater' and 'to heater'.
When standing at the front of the car, looking over the intake manifold at the firewall, is it the one on the right? That's the hose labeled 'from heater' in this manual.

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93 GS, ATX to MTX swap, chrome 16x7, upper strut bars, SRD LCA bushings.
Upcoming improvements: Tokico/Eibach struts/springs, energy suspension LCA bushings
94 RS MTX, Engine swap completed, ALIVE Again!
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May 14 2012, 11:19 AM
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Post Re: HEATER HOSE
No. Looking at the firewall, the hose is on the left side closer to the passenger side of the car. It is the bottom of the heater core.


May 14 2012, 6:41 PM
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Post Re: HEATER HOSE
Then that's the one labeled 'to heater' in the manual I'm looking at.
I'd call it the "heater core inlet hose", but maybe another manual actually provides a name. Wish I had all the manuals!
Has the hose developed a leak? Many places now use bulk hose, cut-to-fit, but you'd be able to get a molded hose from a Mazda dealer.

_________________
93 GS, ATX to MTX swap, chrome 16x7, upper strut bars, SRD LCA bushings.
Upcoming improvements: Tokico/Eibach struts/springs, energy suspension LCA bushings
94 RS MTX, Engine swap completed, ALIVE Again!
95 RS ATX, parts car/project X


May 15 2012, 12:29 AM
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Post Re: HEATER HOSE
Yes the heater has a small leak in it and the fluid is streaming out. I am going to replace it this weekend. I will update and let you guys know what the hose is called from my local parts dealer.

Thanks for all the help.


May 16 2012, 6:48 AM
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Post Re: HEATER HOSE
Coolant leaks are the worst, mainly due to how detrimental they can be.
It's cool that Mazda used quick-connect fittings on the heater core end of both those hoses, yet you can replace the hose itself and reuse the quick connect coupler. It's a little tricky to disconnect the fitting, but easier than wrestling the hose off the fitting in that spot.
Good luck with it!
And, yeah, let us know what they call it, I'm curious...

_________________
93 GS, ATX to MTX swap, chrome 16x7, upper strut bars, SRD LCA bushings.
Upcoming improvements: Tokico/Eibach struts/springs, energy suspension LCA bushings
94 RS MTX, Engine swap completed, ALIVE Again!
95 RS ATX, parts car/project X


May 16 2012, 1:24 PM
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Post Re: HEATER HOSE
I replaced the hose....It was called "heater hose to pipe, cut to fit." In fact the parts store I went did not have it in stock. Luckily my brother was able to find one that matched it somewhat close and it is now replaced.

Thanks for all the help.


May 18 2012, 11:34 PM
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Post Re: HEATER HOSE
Glad you were able to fix it!
And before the weekend, right on

_________________
93 GS, ATX to MTX swap, chrome 16x7, upper strut bars, SRD LCA bushings.
Upcoming improvements: Tokico/Eibach struts/springs, energy suspension LCA bushings
94 RS MTX, Engine swap completed, ALIVE Again!
95 RS ATX, parts car/project X


May 19 2012, 1:57 AM
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