Poor cab heat

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01-03-2010, 01:32 PM

DuramaxakaDTD

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Poor cab heat

My duramax has 194000 miles and my truck engine warms up but I have very little heat but it's warm air so blower motor? Seems to have the fan running help?

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01-03-2010, 02:06 PM

jbrown1132

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try using the recirculation of the inside cabin air rather than the outside air. you may have to select the setting for the vent and floor board.

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01-03-2010, 02:09 PM

2500HeavyDuty

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when was the last time you/anybody changed the cabin air filter?

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01-03-2010, 03:32 PM

DuramaxakaDTD

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Sorry to ask where is the cab filter

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01-03-2010, 07:02 PM

DieselCrawler

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inside on the pass side floor. 3 screws, removed kick panel. then 1 screw to remove filter door.

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01-03-2010, 08:29 PM

2500HeavyDuty

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https://www.dieselbombers.com/chevy-...ir-filter.html

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