No heat .. - Ford Powerstroke Diesel Forum
 
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post #1 of 5 Old 02-26-2013, 11:45 AM Thread Starter
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No heat ..

2002 7.3 4x4 ext cab short bed

I only have heat out of my defrost only on any position floor vent ect.
I replaced my vacume pump an that dint do it so my next guess would b the switch to change from floor to vent has gone out ? And defaulted to defrost
What do you think


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2002 F-350 7.3 ex-cab short bed Beans 6 Pos
6 inch lift, 35,s, 4 Inch Turbo Back, 6637 intake
Foil delete, 05 harley front end, 08 Tailights
Tinted cab lights, and this and that and this
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post #2 of 5 Old 02-26-2013, 11:52 AM
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Most often it has more to do with a leak (especially at the Auto hubs) than the pump. You sure it's producing enough vacuum to work the doors?
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post #3 of 5 Old 02-28-2013, 05:53 AM Thread Starter
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No heat ..

How would I determine a vacume leak at the hubs ?
My auto locking hubs don't work so there must b a leak at the hubs ?


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2002 F-350 7.3 ex-cab short bed Beans 6 Pos
6 inch lift, 35,s, 4 Inch Turbo Back, 6637 intake
Foil delete, 05 harley front end, 08 Tailights
Tinted cab lights, and this and that and this
Z-STROKE is offline  
post #4 of 5 Old 02-28-2013, 06:06 AM
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A lot of the PSDs dry rot on the hoses just above the hub assembly. Start there and follow them up into the engine compartment


2001 7.3L
Pro Comp 6.5" Lift
Pro Comp 16x10 Alloys
35x12.5 Nitto Mud Grapplers
Sky Jacker Hydro 7000 Steering Stabilizers
K&N CAI JUNKED For A 6637
Straight Piped Dual 4"
Jasper 4R100 (Rebuilt in '05)
Tru-Cool Max
Dieselsite Coolant/Trans Filters
ISSPRO EV2 (Boost, EGT, Trans)
Centramatics
EBPV Switch
'07 Headlight Conversion
Foil Delete
Zoodad
Monitoring with Torque
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post #5 of 5 Old 02-28-2013, 10:57 AM Thread Starter
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No heat ..

Will check it out when it stops snowing! Lol


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2002 F-350 7.3 ex-cab short bed Beans 6 Pos
6 inch lift, 35,s, 4 Inch Turbo Back, 6637 intake
Foil delete, 05 harley front end, 08 Tailights
Tinted cab lights, and this and that and this
Z-STROKE is offline  
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