04 Mach 1 Coolant leak

Jun 21, 2007
566
5
48
College Station,TX
#1
My 04 Mach has a coolant leak from the metal hose that runs under the shaker on each side to just behind the water pump and pushes into the manifold. No clamps or anything,just pushes in.

This summer I had to replace the water pump and ever since then I get a small leak on the driver side of that metal hose where it presses into the manifold. I lose about a 1/2-1 cup every month but I cant seem to find a way to stop it.
There are no seals or gaskets that go there.
Its not damaged just a small leak.

Any ideas what happened or maybe what I might of done wrong?

This pic shows the the hard lines Im talking about,this is just a random pic from the web,not my car.
 

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wmburns

SN Certified Technician
Aug 14, 2009
4,887
343
154
Houston Texas
#2
The Ford service manual says there is an O-ring in that location. While I don't know for certain but I would think that a leak in that location might be fixed with a new O-ring.

>>>
  1. NOTE: Do not cut the O-ring seal during tube installation into cylinder heads (6049) or engine coolant leakage may occur.
    NOTE: Wipe the O-ring sealing surface on the cylinder heads with a soft cloth, if necessary and lubricate the O-ring seal. Use premium engine coolant
 
Jun 21, 2007
566
5
48
College Station,TX
#3
The Ford service manual says there is an O-ring in that location. While I don't know for certain but I would think that a leak in that location might be fixed with a new O-ring.

>>>
  1. NOTE: Do not cut the O-ring seal during tube installation into cylinder heads (6049) or engine coolant leakage may occur.
    NOTE: Wipe the O-ring sealing surface on the cylinder heads with a soft cloth, if necessary and lubricate the O-ring seal. Use premium engine coolant
Thanks I'll have to check again but today I didnt find any o-ring on either tube but only one side seems to leak. Guessing just an average o-ring. Hopefully not a speciality ring. The bushings that go into the shaker are something like $18 each.

Ill have a look again in a day or two.

thanks again, hope thats all it is.
 

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