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burt ragio
05-29-2015, 06:19 PM
Is it sufficient when installing the cross over pipe just cleaning and installing new O rings then seating the pipe or should I also use some gasket sealer ?
Logizyme
05-29-2015, 06:24 PM
O-rings only. Make sure to clean up any corrosion on both the head and the COT and slide it in. Lubricate the O-rings with oil or di-electric grease.
J-MAN
05-29-2015, 07:30 PM
O-rings only. Make sure to clean up any corrosion on both the head and the COT and slide it in. Lubricate the O-rings with oil or di-electric grease.

TWSS............
jwibbity
05-30-2015, 06:44 AM
I used both on my recent removal of the COT, better safe than sorry...

And if you cant find the O rings from ford, #20 O-rings from most hardware stores will also work.
loud2004marquis
05-30-2015, 07:37 AM
Coolant crossover tube o-ring Ford part number: 391533-S100
Zack
05-30-2015, 07:38 AM
I used both on my recent removal of the COT, better safe than sorry...

And if you cant find the O rings from ford, #20 O-rings from most hardware stores will also work.

Never ever use an o-ring from the hardware store. They will leak sooner than later.
justbob
05-30-2015, 09:18 AM
Never ever use an o-ring from the hardware store. They will leak sooner than later.


I thought I was the only anal one that doesn't mind the price/waiting if need be.

Just too much of a PITA to fix after the fact.


Builder Of Badassery
Zack
05-30-2015, 10:06 AM
I bought a 100 pack from McMaster Carr years ago for 5 bucks
chief455
05-30-2015, 10:28 AM
I bought a 100 pack from McMaster Carr years ago for 5 bucks

^^this.
Sent several members complimentary o-rings to keep the coolant flowing.:D

You can still get 25 packs, offered in two different materials (viton or something?)
I just bought the standard part number bag when I needed a pair.
9752K124 Boss Tube Fitting O-Ring, Viton(R), Fluoroelastomer, AS586A Dash Number 913, Packs of 25
Mike D Mechanic
05-30-2015, 02:31 PM
dose anyone have the non ford o ring # for the COT plug by chance ? nothing in my service set matched up very well. Ford prices are high . The o rings chief suggests you get 25 for same money Ford wants for 2 . Thanks
chief455
05-30-2015, 03:20 PM
dose anyone have the non ford o ring # for the COT plug by chance ? nothing in my service set matched up very well. Ford prices are high . The o rings chief suggests you get 25 for same money Ford wants for 2 . Thanks

If you need a pair of the ones I listed, PM me your address and I'll mail them to you on Monday.