Water is leaking inside - very unusual place

[jellyfish]

Hi,
2002 Lincoln LS - I think the sunroof is leaking but not from the top, we fixed that. The water is coming from somewhere lower behind the backseat, draining down into the back floor. Is there a diagram for the hose system anywhere? Or anyone else had this problem? Thank you!

 

[04_Sport_LS]

The sunroof drains could still be an issue. If you look closely at the rear seat bottoms, there are a couple small levers to remove the seat.

That might help find where the water is draining from, or to

 

[04_Sport_LS]

 

[04_Sport_LS]

Basic sunroof drain diagram above. The tubing probably pulled away. IIRC... the sunroof has rear drain nipples too

 

[jellyfish]

We pulled down the headliner and attached the 4 hoses on the top. Now there is leaking from a lower point??? Maybe the other end of the hose??? It's not visible under the bottom "seat" portion of the seat cushion. We pulled that up. The water looks like it might be coming from behind the top "back rest" portion of the back seat somehow. Thank you!

 

[clubairth]

Maybe double check that they did not come off again? When I fixed mine I had to add a clamp as apparently the tubing shrinks over time and causes these to pull off the metal nipples. Others have had to add a splice and some more tubing to connect it.

Here is a great picture from a long shut down forum. Very hard to see the tubes and nipples and you don't want to take anything apart unless you need too!

.
.
.

 

[04_Sport_LS]

Yup... Basic spring clamps (like what is used on fuel lines) work very well. You just have to get the right size.

 

[06LS Greek]

Check both front drain holes along the pinch weld seams near the front jacking locations. I bet a service tech mistakingly tried to lift the vehicle at the wrong location and crushed or pinched one of those front drain holes or corrosion or debris may have blocked them. You can check if they're draining ok by pouring some water at the front corners of the sunroof and seeing if it drains ok at those front drain holes. Yes, a plugged front drain hole will cause water to pool in one of the rear foot wells. Those pinch welds are known for corrosion as well...so after locating the drain holes and making sure they clear, you may want to saturate the pinch welds with PB Blaster Surface Shield or Fluid Film.