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Re: Help debugging core leak
Wow, you must be getting good at pulling the heater box! I would suggest
an OEM core - it's more expensive, but worth it to avoid the PITA of pulling
the box to replace a leaking new unit. Unless you are doing something
incredibly wrong and damaging the core on installation ( very hard to do),
the supplier you are using must be making poor quality products.
I've replaced two of these with OEM cores with no subsequent problems.
'91 200q 261k km
From: Lino M. Valadas <email@example.com>
To: firstname.lastname@example.org <email@example.com>
Date: Tuesday, October 20, 1998 12:15 AM
Subject: Re: Help debugging core leak
>My 86 5kqw has what it looks like a heater core leak. The smell of
>antifreeze when the heater first starts, a little fogging of the windshield
>occasionally and the fluid level going down in the overflow container. The
>problem is, this is the second new core that I replace within the last 30
>The original core started developing the symptoms described above so I
>replaced it with a new third party unit, which is an all copper unit.
>Immediately after installation the symptoms were still there, only worse.
>Bummer, I got a bad unit, I thought, so out comes the heater core, again,
>and replaced it with another new unit from the same supplier. The problem
>is still there.
>One small problem with the replacement units is that the tubes going into
>and coming out of the heater core are slightly smaller in width than the
>original ones. I've compensated by using two hose clamps on each hose and
>everything appears to be dry there when I check. Besides the pipes are
>outside of the heater case and even if it leaked there shouldn't go into
>Any ideas? I really don't think I have another bad core and I'm getting
>tired of re&re the heater unit.