96 V6 Heater/Bypass tube - Ford Mustang Forum
 
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post #1 of 5 (permalink) Old 12-30-2011 Thread Starter
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96 V6 Heater/Bypass tube

Trying to remove my lower intake on a 96 3.8. The only thing stopping me at this point is a metal tube that my haynes says is pressed in to the water pump to the left of the thermostat housing. The tube at the pump has a Y where the top is the coolant bypass hose, and the lower Y is this solid metal tube that runs up and over the manifold to the rear the engine where it mates with a heater hose. The other heater hose runs around the passenger side valve cover.

Without this tube removed, I cannot remove the fuel rails, unless I separate some of the semi-soft lines that connect both sides of the engine in front.

What I don't understand is the Water pump removal manual says nothing about pulling the plenum to get to this tube, yet the top-end tear-down guide says this tube is not removable and also says nothing about pulling the water pump.

Should I separate the halves of the fuel rails and just replace that hose, or pull the water pump to remove the hose and keep the fuel rail intact?


I will upload a pic of what I'm talking about as soon as my dumbphone gets the pic through to my email.

dlopez916 -- Excuse my lack of knowledge, but WTH is this Snake Oil you guys mention, and if it benefits the car, how and where can I get it?
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post #2 of 5 (permalink) Old 12-30-2011 Thread Starter
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Dumbphone worked!

See attached pic for what I'm talking about.
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dlopez916 -- Excuse my lack of knowledge, but WTH is this Snake Oil you guys mention, and if it benefits the car, how and where can I get it?
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post #3 of 5 (permalink) Old 12-30-2011 Thread Starter
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Quote:
Originally Posted by jrthor_85 View Post

Should I separate the halves of the fuel rails and just replace that hose, or pull the water pump to remove the hose and keep the fuel rail intact?
A third option I didnt think about: Maybe just cut the tube and reassemble with a bit of appropriate hose and some clamps?

dlopez916 -- Excuse my lack of knowledge, but WTH is this Snake Oil you guys mention, and if it benefits the car, how and where can I get it?
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post #4 of 5 (permalink) Old 12-31-2011
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It's not pressed in, there is an o-ring. I have seen several corroded and stuck though.

It would probably be easier to cut the rail tube and replace with high pressure EFI hose and EFI specific clamps available at any parts store.
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post #5 of 5 (permalink) Old 12-31-2011
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These are simple. . . after removing the retaining nut towards the rear, passenger side on the intake holding the middle of the tube AND removing the 8mm bolt holding the tube in the water pump, open a cresent wrench just wide enough to fit above the water pump (around the tube) but below the bracket that is held to the water pump with he 8mm bolt. While supporting the handle end of the cresent with one hand, use a hammer, striking up on the bottom side of the wrench. This will remove the tube in an upward manner. There is an o-ring on the end of the tube that goes into the water pump. Most intake and head gasket kits include this replacement o-ring. I always put a small coating of that grey, water pump RTV around that area before reassembly.

I have a ball joint separater fork that fits perfectly in that gap between the water pump and the bracket on the tube. I can simply put the fork around the tube and pry up between the bracket and the water pump - pops right out.
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