97 E350 Heater

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Dec 21, 2003 | 02:42 AM

#1

curt b

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From: Ohio

97 E350 Heater

My 97 Econoline Heater only blows to defrost 100% of the time. Does anyone know if the directional vanes are vacuum or electric?

Or any specific reasons it does this?

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Old

Dec 26, 2003 | 09:04 PM

#2

HomerWinzlow

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From: Lawton, Oklahoma

Is it diesel? If its gas it has regular vacuum off the engine. Often you will find a broken RED vacuum line on those Econolines in the engine compartment.

If its diesel it has an electric vacuum pump to provide vacuum for the actuators.

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Dec 27, 2003 | 12:44 AM

#3

curt b

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From: Ohio

Thanks for the advice, I'll check that out tomorrow and let you know the results. BTW, its a gas engine (6.8L)

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