heater core going down?

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Nov 3, 2011 | 08:10 PM

wyowelder

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Diesel Fan

Joined: Oct 2011

Posts: 28

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From: Torrington,WY

heater core going down?

pickup blows very slowly and only through the defrost vents barely blows at idle but at highway speed really pushes air. blew out intake vents and cab vents with compressed air trying to clean it out whats goin on?

Nov 3, 2011 | 08:25 PM

H.R.D

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From: Las Cruces, NM

I would say you have a vacuum leak.

Nov 3, 2011 | 08:51 PM

tower_ofpower

Diesel Bomber

Joined: Jul 2009

Posts: 1,861

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From: Kingwood, WV

Truck have ac or no? Ac condenser fins could be plugging up too. Vacuum leak is worth looking into too.

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