1992 Lincoln Towncar Intake manifold/Slash heater hose replacement

Kevin T

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My Lincoln
92 Lincoln town car
Hi everyone.

I have a 1992 Lincoln Town car Executive series that I’ve owned for about Eleven years now. New transmission about 6 years ago. Other than that; mechanically she’s purred like a kitten engine wise. General issues, (minor repairs off and on) new starter, water pump, alternator, serpentine belt, radiator, other than that, bodies in great shape, but still needs a lot of TLC, e.g. window motors, front end work/ball joints, inside door panels, she’s basically for the past 5 years been a get around town car for errands.

Here's my current problem.

Timeline one/two yrs. ago accelerator got stuck (the safety spring on the throttle was missing) by the time I pulled over [rode the brake]and shut her off she was really overheated. Car cooled drove her home and around town for months and months.

Then about a year ago over heating problems began developing and I was losing fluid no sign of it…Long story short I began trouble shooting did all of the above-mentioned sense then.

Seemed to solve the issue for a while few months and was running at her normal temp (3/8-1/2 on the dash gage)

Couple weeks ago, I seen leakage turns out to be the heater hose that is feed from the back of the water pump, I had to pull the intake manifold out to access it as it runs through the V of the top of the engine.

Question #1

Can I use this stainless-steel Heater hose. (it appears to be all flexible vs. the bended steel tubing [with a little 4-inch-long rubber hose] from it to the back of the water pump) that it was leaking from.

But in the process because everything is in the way of everything else I had to cut the steel tubing from the intake Manifold that runs down and connects to the manifold/muffler underneath.

I’m not sure what it called (see image) but I’ll have to replace this tubing line, I was lucky that nut came off easy where it attached to the muffler/manifold, I think it’s a 3/8” tubing with a little tee on the upper half where it connects to the intake. [it was cut because we missed a hidden bult on the intake we didn’t see of feel everything was so dam tight and no room to work or see]

Question # 2

Can a similar but smaller stainless-steel hose be used as mentioned above in this situation where it’s only and air line to the spacer elbow area.?

Once I get these two issues solved, I can begin putting her back together intake looks fine and is good shape so (fingers crossed) just gaskets and figure out how everything goes back in order. I’ve logged my steps as I went. But have a couple gray areas in that area between the fire wall and the intake manifold, seems to be a lot of wires and plugs.
 

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Is there a scamatic available online somewhere of the hose's and vacume lines and wire diagram
 
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