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Feb 6, 2019 | 11:59 PM

Casebolt

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Heater

My heater won't work, I don't any signs of a leak, my floor is dry. A clog maybe? Something not working? Give me some ideas

Feb 7, 2019 | 05:44 AM

techrep

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From: Va. Beach, VA.

give us an idea ... what year truck you have ? what engine does it have ? how many miles on it ? what about the heat don’t work ? fan blow ? blend door move ?

Feb 8, 2019 | 04:01 AM

Casebolt

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Heater

It's a 99 4.2, blower works, I can hear blend door move. AC kick like a MF but just no heat

Feb 8, 2019 | 05:24 AM

techrep

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From: Va. Beach, VA.

get the motor up to operating temp.. pop the hood and feel the 2 small heater hoses going into the firewall... are they both warm or hot...

Feb 8, 2019 | 10:16 AM

DarrinT04

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From: Maysville KY

the two hoses should be hot

Feb 8, 2019 | 01:45 PM

Casebolt

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Heater

They're pretty warm but I wouldn't say hot

Feb 8, 2019 | 02:03 PM

DarrinT04

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From: Maysville KY

what is the coolant level?

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Feb 8, 2019 | 02:36 PM

Casebolt

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Heater

Full, brand new fluid last month

Feb 8, 2019 | 03:07 PM

techrep

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From: Va. Beach, VA.

is your heater control working properly.. it switches from hot to cold.. no sure if 99 has a blend door. if both hoses are getting warm .. that tell’s you , you have flow through the heater core.. you have no heat whatsoever in the cab ?

Last edited by techrep; Feb 8, 2019 at 03:10 PM.