Blleding Coolant System in 1st Gen Q

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Nosser25rs
Posts: 43
Joined: Mon Sep 23, 2002 11:21 am
Car: Autocross, Mechanics, Billiards, Beer

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I have been getting a gugling sound from my heater core of late, so I think I need to bleed the system again. I have misplaced the instructions on how to open up the heater core completely, so I was hoping someone could lend a hand. I know that it is a sequence on the climate control panel, but I just can't seem to remember it. Thanks in advance.

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911/Q45
Posts: 1376
Joined: Tue Jul 23, 2002 12:10 pm
Car: 1990 Infiniti Q45
1996 Porsche Turbo

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Turn key on but don't start engine. Hold off button until you get weird display. Punch red heat arrow 3 times. Punch defog switch 2 times, display should read 43. Turn key off after 10 sec to let valve open fully.
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greg_atlanta
Posts: 1111
Joined: Tue Jul 23, 2002 4:37 pm
Car: 2008 G35 Journey Sedan, silver/black (no sunroof), 1992 Q45 (in a past life)

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If it's gurgling you probably just need to top off the coolant? Just check it when it's cold.
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