[Shotimes] not enough heat

[Leigh Smith]

My bad heat problem was a broken and jammed closed blend door due to a
pencil that fell through the vent and all the way down to the blend door by
the floor. There is a lever behind the glovebox, and another door closer to
the floor.  See if the mechanism / motor is intact and working. It should
move if you run the ETAC temp setting up & down.
Lee
----- Original Message ----- 
From: "James White" <greensho@crown.net>
To: <shotimes@autox.team.net>
Sent: Saturday, November 19, 2005 9:36 PM
Subject: [Shotimes] not enough heat


> The '95 MTX has always had a problem making enough heat since I got
> it in April of '04, but it was the worst that it had been on Thursday.
>
>
> Coming home from Minneapolis the outside air was in the high teens
> and the best that the heater could do was 70-80 degree air output.
>
>
> I was COLD for 500 miles!
>
> Tested the EATC functions and all seemed OK.  Water temp was right
> at 190-195 with a new OEM thermostat and cap.  But little heat!
>
> As a part of the 60k, I added a jug of Prestone flush, ran it a week
> and then drained it out, ran straight water through the system for
> 30 minutes and then drained that out as per instructions, and then
> added the 50/50 mix.
>
> I assume that the heater core has a restriction, but how do I tell
> for sure?  How tell if the heater core is allowing proper flow?
>
> And if it isn't, other than replacing it, what would stand a chance
> of uncloging it?  Citric acid? Phosphoric acid?
>
> regards, Jim White - greensho@crown.net
> '95mtx 187k and cold
> '93mtx with broken subframe mounts..
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