[V8] Heater Box hose leak

Ron Wainwright ron_01056 at yahoo.com
Sun Oct 26 07:10:50 PDT 2008

I've replaced those rubber coolant lines coming from the core/valve to the engine hard lines & it is a bit of a pain.
I say just take your time & you should have no issues.
 Now if it's a core leak you'll have to pull the heater box. Not a bad job. You'd need to pull some connections ect from under the center console area & some under the rain deverter. But you wanna make sure the core ends aren't cracked & are good before you pull it.
 With 195K on the car I would be a little leary the condition of the core plastic ends. Just get a good look in there. You may have to pull the wiper motor & get the AC line out of the way & disconnect some wire connections & clean the leaves/junk from under there to get a good look.
 The benefit of cleaning the crap from under the rain deverter are there are water drains that could get clogged & let water get into the car.

 What kinda coolant you got in the car?


--- On Sat, 10/25/08, Mark Kalbskopf <gbmarc at cox.net> wrote:

> From: Mark Kalbskopf <gbmarc at cox.net>
> Subject: [V8] Heater Box hose leak
> To: v8 at audifans.com
> Date: Saturday, October 25, 2008, 4:18 PM
> I'm having a bad coolant leak which seems to be coming
> from the rear  
> of the engine.
> Everything looks dry back there, so I looked up by the
> heater core  
> and it's leaking around the valve and maybe from where
> the hoses  
> connect. (it's hard to see with all the leaves and junk
> up there!!)
> Anyway, I'm gonna replace the valve and hoses from the
> engine to the  
> core, but before I did, does anyone have some BTDT wisdom
> on the  
> replacement?
> Should I take the core out or not?
> Is there anything else I should look at while I have
> everything  
> dismantled?
> Mark
> 90 V8 195,000 miles.
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