leaking
- Thread starter tongwang1982
- Start date
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GlennSullivan
Full Access Members
My response assumes that there is no obvious coolant smell inside the cabin.
Fill up the overflow tank, take the vehicle out on a short trip to get it fully warmed up. While fully warm, check under the water pump, that is common, if no sign there, start at the radiator and move carefully toward the back of the engine bay, following each hose and checking each connection point for signs of leakage.
If you still cant find anything, you might consider adding some dye which will make the leak more visible / obvious.
Fill up the overflow tank, take the vehicle out on a short trip to get it fully warmed up. While fully warm, check under the water pump, that is common, if no sign there, start at the radiator and move carefully toward the back of the engine bay, following each hose and checking each connection point for signs of leakage.
If you still cant find anything, you might consider adding some dye which will make the leak more visible / obvious.
It's that gasket I circled, mine did the same thing, I believe it's called the coolant crossover pipe, you have to loosen the bolts on the intake manifold and then you can get that part up just enough to remove that gasket and replace it. It's a pack of 2 so you may want to replace the other side as well.
If I can find the video I saw on how to replace this I'll post it.
5.4 Coolant crossover leak repair w/out removing intake
2011 EL 132k miles. Symptoms: I was noticing the smell of coolant after driving the car for even short drives. Vehicle would go into high fan mode and I noticed it was low on coolant. Refilled and after a week or less it started to go on high fan again. Coolant level was low again, refilled. No...
www.expeditionforum.com
Hamfisted
Full Access Members
I assume you're not going to be doing the repair yourself ? You can buy the crossover gasket set and an intake manifold gasket set and take the Expy to a trusted repair shop. They'll probably charge you about 4 hours labor to do the repair.
FelPro Ford 5.4L Intake and Cross Over Gasket Set at Rock Auto
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FelPro Ford 5.4L Intake and Cross Over Gasket Set at Rock Auto
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tongwang1982
Member
Thanks everytone .
found out that it is the crossover leak, and need NOT remove intake manifold.
only file down the corner and take about 1 hours.
it help me a lot below.
https://www.expeditionforum.com/thr...over-leak-repair-w-out-removing-intake.52903/
found out that it is the crossover leak, and need NOT remove intake manifold.
only file down the corner and take about 1 hours.
it help me a lot below.
https://www.expeditionforum.com/thr...over-leak-repair-w-out-removing-intake.52903/
I would take a close look at that hose in the middle pic too (the one with the yellow stuff on top of the coil pack), as it looks like it could burst/crumble at any minute, even though it may or may not be leaking right now....
tongwang1982
Member
already repaired myself.... take about 1.5 hours relaxed mode
