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ironmike
ironmike, MASTER TECH ASE /FORD
Category: Lincoln
Satisfied Customers: 3301
Experience:  30 years, Ford master certified
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Need help with no heat in Lincoln ls 2002

Resolved Question:

Need help with no heat in Lincoln ls 2002
Submitted: 2 years ago.
Category: Lincoln
Expert:  ironmike replied 2 years ago.

ironmike :

greetings,

ironmike :

are the hoses going into the heater core both hot?

Customer: Neither one are hot
Customer: Are u there?
ironmike :

yep going over the system and symptom tests

ironmike :

so you changed the dual coolant control valve?

Customer: Theyre hot now still cold air
ironmike :

what engine do you have, 3.0 or 3.9?

ironmike :

can you hear the blend door actauator when you switch back and forth in temp?

ironmike :

did you bleed the system of air?

Customer: 3.9
ironmike :

we need to run a self test on the auto climate control system

Customer: Can't hear the actuator but did bleed the system of air
Customer: Can't hear actuator but did bleed the system
ironmike :

you might have a bad actuator

ironmike :

press the off and floor buttons at the same time and then auto within 2 seconds

Customer: Yes changed the valve
ironmike :

no codes and all segments will light

Customer: Is that the valve that has all the lines going to it? There's another one above it that's round beside top corner of radiator with two lines. We changed the one with more than two lines
Customer: 5 lines
ironmike :

it is on the passenger side of radiator

ironmike :

been a few months since I did one, it did set a code

Customer: Yes replaced that $200 part
ironmike :

Full Size Image

ironmike :

lets check for codes, might have a bad sensor

Customer: No codes and all segments light
Customer: I think it was bleeding the lines seems to be getting warmer
Customer: Reads 88 and -188
ironmike :

ok, air bound could be the issue. sometimes it takes time

ironmike :

the DCCV valve is a very common failure

ironmike :

dealers use a vacuum system to flush and we use it to fill systems too.

ironmike :

you can raise the nose of the vehicle and force the air towards the reservoir. Running it up around 2k and watching the temp will work too.

ironmike :

just have to watch the temp and sometimes shut it down and wait

Customer: Yes it was air bound I think we're good thank you going to pay now.
ironmike, MASTER TECH ASE /FORD
Category: Lincoln
Satisfied Customers: 3301
Experience: 30 years, Ford master certified
ironmike and 7 other Lincoln Specialists are ready to help you

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