Seeking advice regarding Mangusta heater hose routing and materials.

Following the mantra "2 steps forward, 1 step back", I went ahead and pulled the dash AND heater back out of 1010 today to re-address some upholstery issues which I'll post separately.  Anyway, that exposed my original heater hose solution (see below) that is visually hidden when things are assembled.   Functionally this solution is probably OK -  a mix of Pep Boys 1/2" hose bits with some aluminum tube - but it could certainly be cleaner and fit better too.

Presumably the original hose would have been European 12mm vice 1/2", since that's the size of both the central tubes & the heater core.  Any pics or original parts out there?! 

My car came with a mess of disintegrating hose parts, cobbled together in the worst way; no way it left the factory like that.  1/2" silicone hose might be worth a try, especially some long-ish elbows cut to length, if available.  Appreciate any thoughts re this ningling issue!  Nate

heater hose

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Nate, do the hoses normally run through the cabin or is that configuration unique to your car? There is a current thread over in the Pantera section regarding a similar topic. I was surprised to see Pex plumbing material being used... Perhaps that is an option for you.

I have not gone that far with my car. Unfortunately (although not OE spec type repair) the proper shaped hose would not be readily available and similar repair would need to be done; rubber elbowed tube, joiner with hose clamps and 2nd elbowed tube. http://www.daycoproducts.com/d...ater-hose-connectors

Whilst driving my Pantera home on its maiden voyage, after purchase, one of the heater hoses located within the interior split. It filled the cabin with steam in about 2 seconds. I couldn't see where I was going. I happened to be on the Hollywood Freeway at rush hour, in traffic, doing about 65 mph. I couldn't see the road or cars ahead of me.

I don't care if it spoils the cars originality. Rubber heater hoses do not belong within the passenger cabin.  Replace them with metal tubing and tube fittings.

I just replaced mine with 3/8" soft flexible copper refrigeration tubing with plastic coating as I intended to push it thru the old metal tubes. I could not push it thru so I removed the old tubes and ran the copper. I used compression fittings on the ends. I believe you can buy 1/2" tubing as well from McMastercarr or Grainger. 

 

 

 

Nate, if '1076 were original here then the hoses from the heater core were just straight--probably better to use formed (90' bend on the heater core end) hose instead.  

 Where I remember having problems was between the Engine and the Y-adapter (this picture '1046 again). As I remember the stub hose decreased radius to something I had a lot of trouble finding...But everything else is generic hose, nothing special---Lee

DSCN1718

  

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