2003 Chevy Express Conversion - rear air
September 9th, 2016, 10:37 AM
#11
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Kevin,
Looking at my FSM for the 96 Express van, there were several AC/heat options available:
1) Rear aux heat only,
2) Front base heat,
3) Front heat & AC,
4) Rear aux AC & heat,
5) 1+2 Front & Rear heat,
6) 1+3 Front heat & AC + Rear heat, and
7) 3+4 Front and Rear AC & heat.
It sounds like your van is equipped with option 6).
Peter.
Looking at my FSM for the 96 Express van, there were several AC/heat options available:
1) Rear aux heat only,
2) Front base heat,
3) Front heat & AC,
4) Rear aux AC & heat,
5) 1+2 Front & Rear heat,
6) 1+3 Front heat & AC + Rear heat, and
7) 3+4 Front and Rear AC & heat.
It sounds like your van is equipped with option 6).
Peter.
September 9th, 2016, 4:46 PM
#12
It sounds like you only have 1 heater core, and 1 A/C evaoprator. Your fan switch is just to boost the heat to the rear, but you have no rear ac. Or perhaps you have a second heater core in the rear, but it is controlled by the same dash control ****. Have a look underneath. The rear heater core has metal pipes along the passenger frame rails.....
Either way, I am betting you have no rear ac.
Either way, I am betting you have no rear ac.
September 10th, 2016, 9:17 AM
#13
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not all the same
My '97 Express 1500 conversion van has a multi-speed fan control for vents in the rear. Those vents do not supply heated air, only fresh or air-conditioned, depending on the main setting for the vehicle.