My heater isn't working the coolant level is good, the hoses are hot, and I just put a new thermostat switch in on the dash and it's still not working. What else can I try?

Asked by Ryan Nov 08, 2014 at 03:22 PM about the Ford F-250

Question type: Maintenance & Repair

I have a 2000 ford f 250 diesel. My
heater isn't working. The coolant is
full, the hoses are hot and I just put a
new thermostat switch in the dash.
What else can I try?

BOBLECH answered 10 years ago

It could be the STAT stuck open and water cannot stay in the block long enough to get warm. As a test try putting some cardboard in fron of the radiator just to restrict air flow and see if things start warming up. Did one just this morning BOB LECH

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201,485

dandyoun answered 10 years ago

Also check blend door in dash.

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My heater isn't working the coolant level is good, the hoses are hot, and I just put a new thermostat switch in on the dash and it's still not working. What else can I try? 2 Answers

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My heater isn't working the coolant level is good, the hoses are hot, and I just put a new thermostat switch in on the dash and it's still not working. What else can I try?

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My heater isn't working the coolant level is good, the hoses are hot, and I just put a new thermostat switch in on the dash and it's still not working. What else can I try?

2 Answers

Your Answer:

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