1995 lincoln town car limo, rear A/C

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Jay0023
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Joined: Fri Aug 09, 2019 10:42 am

1995 lincoln town car limo, rear A/C

Postby Jay0023 » Fri Aug 09, 2019 10:54 am

Hello, my name is Jose, new to the forum here. Hope everyone is having a great day. I have a 1995 lincoln town car Limo built by executive coach builders, The rear passenger compartment blows 40 degrees on left side and 80 on right side of vehicle. Driver area of vehicle gets about 40 degrees as well. My question is how is the air divided in rear, are there actuators? Any information would be greatly appreciated.
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bohica2xo
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Re: 1995 lincoln town car limo, rear A/C

Postby bohica2xo » Fri Aug 09, 2019 4:37 pm

Hard to say what Executive Coach did when they built it - 24 years ago. Unlikely that the actual builders are even still in business.

You will have to open up a good deal of the interior to figure out what the system was made from. Some coach builders actually used the underdash assembly from a Taurus for the rear system back then...
Jay0023
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Joined: Fri Aug 09, 2019 10:42 am

Re: 1995 lincoln town car limo, rear A/C

Postby Jay0023 » Sun Aug 11, 2019 9:04 pm

Thank you very much for the reply bohica2xo. So I made a mistake on year, it's a 2005. You are right the builder is out of business, no luck on repair line number. I got some of the interior opened up and it has two additional evaporators. One behind passenger seat(front)and one under long seat in cabin area(rear)

The evaporator box under long seat in rear, distributes air to left side of cabin using 4 - 2" inch duct hoses which is the side that is delivering the 40 degree temp.

The evaporator behind passenger seat(front) has (2) - 6 inch duct diameter hoses along with
(2) - 2 inch duct hoses. The temp out the box is approx 75 degrees (right side of cabin) My apologies for making this so long but could the problem be in the expansion valve? the blower motor appears to be working fine, the piping off evaporator feels cold not frosted. Any input appreciated thanks!
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bohica2xo
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Re: 1995 lincoln town car limo, rear A/C

Postby bohica2xo » Mon Aug 12, 2019 2:14 pm

Ok so of the three evaporators, two are doing well.

The one that is blowing warm, probably has a bad (or clogged) expansion valve. If you look at the evaporator, the liquid line should have a connection to the TXV, and it should be cold at that point. If not, then virtually no refrigerant is flowing through it.

Most of the valve, and much of the plumbing is likely wrapped in a tar like insulation tape, called Presstite. You may have to remove some of it to get at the TXV. Be careful cutting it away, the lines under it can be damaged with a utility knife & a heavy hand. I usually slit it a little with a single edge razor blade & pry it open with my fingers.

Of course the system will need to be recovered to remove the TXV if you determine it is the culprit. Other less likely issues are smashed hard lines restricting refrigerant flow, kinked hoses etc. Look at the lines for the warm evaporator carefully.

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