wont go to vent on dash only defrost - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 6 (permalink) Old 06-13-2009, 08:15 PM Thread Starter
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wont go to vent on dash only defrost

when i switch from def to max/ac or even vent i get n o air from the vents, the air stays in the defroster mode???? vacuum problem? where is that switch located?
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post #2 of 6 (permalink) Old 06-14-2009, 12:29 AM
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vacuum pump or vacuum line.

Start under the glovebox where the lines come through the firewall.

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post #3 of 6 (permalink) Old 06-15-2009, 05:13 AM
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Yep, vaccum issue

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post #4 of 6 (permalink) Old 06-20-2009, 08:41 PM Thread Starter
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had to order a new vacuum pump, dang!
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post #5 of 6 (permalink) Old 06-21-2009, 06:25 AM
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At least ya got it figured out.

Alex C.

R.I.P. 2006 F-250 CC SB Fx4. w/ 500 RWHP *stolen 7/15/2010*

1990 F350 CCLB 4x4 -- 24V Cummins, 200hp DDP's, SuperB over S475-sx3, Cam and valvesprings, Spe-rite Convertor, Billet input.

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post #6 of 6 (permalink) Old 06-21-2009, 03:02 PM
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