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Old 04-14-2010, 04:35 PM   #1
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Default electronic climate control issue

When I run the climate control the air flow does not get redirected...the doors do not open and close to redirect the air flow.... 1996 Bonneville SSE...help...thanks

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Old 07-28-2010, 01:46 PM   #2
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Under the hood, right next to the brake booster (to the left of the brake booster), there should be a small vacuum hose coming out from under that box. If it is loose, dry rotted, or not there at all, that is the problem. I had the same problem...got some new hose and hooked it up - all good.
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Old 07-28-2010, 03:03 PM   #3
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On a 96, the vacuum tank won't be located on the firewall. (This tells us you have a 87-95.) In 96-99 on an NA motor you will want to follow the brake booster hose to the upper intake manifold. At the connection is a port for the HVAC hose that gives the various under dash diaphrams vaccum. Under the dash this incoming line has a purple end on it. SC'd engines 96-99 would have the center port on top of the supercharger connected to that line.

00-05 are electrically actuated IIRC.
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