acwitte

OK, I thought my truck was getting wet from an outside leak but I have had lots of rain lately and it's dry. What I have not used lately is the AC so, the problem must be in the AC drain line. Can anyone tell me where to look??

'04 Supercrew Lariat

jrmongi

Bump also looking for information on this

SuzukiRider

Dont think Ive ever looked at an F150, but typically they are on the passenger side, low on the firewall. It will only be a small hose, probably about an inch long. A good shot of compressed air will normally clear them out.

mattd17

sounds like you might need to get the A/C drain elbow that FORD realized these trucks should have had from the factory. the A/C drain is in fact in the passenger side of the firewall, and it is poorly designed. if you look at the firewall just above the passenger side exhaust manifold, you will see the drain tube (it is MUCH easier to see if you take the fender liner out). this tube is in a horizontal position, and only entends beyond the firewall by about 3/16-1/4". so, as you drive down the road, the moving air will cause the condensate to flow along the bottom of this shprt tube, rather than drop to the ground. then what happens is the condensate will soak into the padding where the tube penetrates the firewall, and then will continue to soak into the carpet padding on the passenger side.

long story short, you can put this elbow onto the drain, and it will force the condensate to drip onto the ground. its part number is F3LY-6A614-A, and it costs about 6.00 from FORD. It can be a little tricky to install, but seems to do the trick. i removed my carpet a couple times to dry it all out correctly before i finally found the culprit and fixed it.

here is a picture to show you where it is located. i had put a temporary elbow at the time until my dealer got the correct elbow.



i hope this helps you out!

jrmongi

That was exactly what I was looking for thanks

mike46060

I just fixed my tonight. The little rubber 90 cost me $17 from Ford, and they had to order the part.
It is a little rough to get to. I tried to get my 3yr old to do it for me... No luck there. Removing the Transmission dipstick bracket helps to get your hand in there a little. Oh, and when the TSB says to wait until the engine is completely cool THEY MEAN IT! The truck was cool, but man it felt like someone was holding a candle to the back on my hand. Boil the fitting for about 4 minutes in the microwave to soften it. It makes a huge difference. I fought this thing for about 15 minutes before. After boiling the fitting it was a piece of cake to get on.


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ddbrown

I have a 2003 model. I see two holes in that area which one is it? one higher that the other in the same area in the firewall.

mike46060

I'm not sure on the 03.

I still have a leak though. It think its a door seal.Time to get out the hose before it gets too cold...

Mod (Ret.)

Great pictures on installing the 90 degree fix from Ford!

If the search would have been used, those that have a water leak would find that there are three common places for leaks. The AC drain tube, the overhead cab light (third brake light on cab roof), and the large wiring harness that enters the cab to the fuse box. This harness is located behind the battery (needs to be removed). There is a rubber grommet this harness slides through, and sometimes it rots or splits. Some silicone corrects this potential location for a leak.

mike46060

Thanks Bucko. I know for sure that my third light is good, but I hadn't heard of the cable harness location though. The previous owner of my truck had some work done to the front pass side that he neglected to mention and didn't show up on the carfax. So that would make perfect sense. I'll take a look tomorrow. Ill try to get some picks of that as well.