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Heater core is leaking

Tiny
DANQUAKENBUSH
  • MEMBER
  • 2001 LINCOLN TOWN CAR
  • 4.6L
  • V8
  • RWD
  • AUTOMATIC
  • 163,000 MILES
My heater core is leaking. We have the dash mostly off and can see the plenum chamber but it will not move towards the back of the car. Is there a secret connector we are not seeing? What exactly is a rh wheelhouse door?
Saturday, July 22nd, 2017 AT 4:22 PM

10 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
See what I have sent in pictures, it is a tip to do this fast etc. There are seven screws around the heater core box. Do not worry about wheel house.
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Saturday, July 22nd, 2017 AT 4:39 PM
Tiny
DANQUAKENBUSH
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  • 6 POSTS
Really, are you sure the pictures are of a town car? I think we are having problems with the floor duct, I read somewhere about cutting something, could not follow, that is why I am here!
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Saturday, July 22nd, 2017 AT 5:49 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
The pictures are from a a mechanic who has passed this on and yes it is from a Town Car. If you are talking about the rear floor duct some guys took the seat out you will need to remove the console as well if removing heater core. For the rear duct you cut each side of it so it will bend back, there are also a couple of cowl bolts to remove
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Sunday, July 23rd, 2017 AT 8:11 AM
Tiny
DANQUAKENBUSH
  • MEMBER
  • 6 POSTS
Yes, I think I have the nuts the picture referenced off. Is there enough any way to prevent having to cut anything, if not where do I cut it? Can removing the console make moving the floor ducts easier because I am having trouble picking the plenum over the floor duct-work. I appreciate your help more than you know!
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Sunday, July 23rd, 2017 AT 10:39 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
You cut the floor duct work at corners so you can bend it out of the way if you take console off then it makes duct work easier to come off, but cutting it you do not need to remove console. Then use duct tape to cover where you cut it.
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Sunday, July 23rd, 2017 AT 11:35 AM
Tiny
DANQUAKENBUSH
  • MEMBER
  • 6 POSTS
Is there a picture of where I should cut the rear footwear duct? I am confused, maybe dumb, but am I going to have to take the passenger seat out? If I wanted to remove the center seat and armrest will this eliminate cutting or is doing this a huge waste of time? I only need about four more inches to clear the wiring harness in front of the dash!
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Sunday, July 23rd, 2017 AT 2:26 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
You cut it where it connects to heater you can pull seat if you want as well as console, but a lot of work. The thing I sent was off of our tips page to make it faster for mechanics to get the job done.
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Sunday, July 23rd, 2017 AT 3:45 PM
Tiny
DANQUAKENBUSH
  • MEMBER
  • 6 POSTS
Just so I am clear, I cut it under the ash tray? I must be the dumbest person alive because I cannot figure out exactly where to cut. Anyway thank you for your help!
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Monday, July 24th, 2017 AT 7:36 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Okay, I found this drawing cut where the arrows are on bottom so it can lift up.
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Monday, July 24th, 2017 AT 8:23 AM
Tiny
DANQUAKENBUSH
  • MEMBER
  • 6 POSTS
I am going to go and do this after I get off of work. Thanks
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Monday, July 24th, 2017 AT 12:35 PM

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