5.4 Exhaust Studs
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Senior User
Joined: Jan 2016
Posts: 377
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From: South Arkansas
5.4 Exhaust Studs
I've been studying on this topic and I'm about to proceed on fixing my passenger side exhaust squeal that has been present since I purchased the truck. All studs are there, but last week I finally put a wrench on them and the front 2 just spin and spin....you can also feel the leak with your hand when you crank the truck.
Question #1 - Do the studs seize in the heads (the unbroken ones)or do they come out pretty easily?
Question #2 - Is it ok to go back with stainless studs?
Question #3 - I assume I should replace all the studs while I have that side off, is it common for studs to break when you are trying to remove them?
Question #1 - Do the studs seize in the heads (the unbroken ones)or do they come out pretty easily?
Question #2 - Is it ok to go back with stainless studs?
Question #3 - I assume I should replace all the studs while I have that side off, is it common for studs to break when you are trying to remove them?
Cargo Master
Joined: Feb 2011
Posts: 3,450
Likes: 13
From: Forest lake minnesota
I've been studying on this topic and I'm about to proceed on fixing my passenger side exhaust squeal that has been present since I purchased the truck. All studs are there, but last week I finally put a wrench on them and the front 2 just spin and spin....you can also feel the leak with your hand when you crank the truck.
Question #1 - Do the studs seize in the heads (the unbroken ones)or do they come out pretty easily?
Question #2 - Is it ok to go back with stainless studs?
Question #3 - I assume I should replace all the studs while I have that side off, is it common for studs to break when you are trying to remove them?
Question #1 - Do the studs seize in the heads (the unbroken ones)or do they come out pretty easily?
Question #2 - Is it ok to go back with stainless studs?
Question #3 - I assume I should replace all the studs while I have that side off, is it common for studs to break when you are trying to remove them?
In my case the studs didn't seize in the head but they did break off as you tried to remove them. In my case I had three break off even with the head and for that the common approach is to weld a nut on the end of the stud with a wirefeed welder in which I did. This worked for two out of the three. The third one I had to drill out and tap. I used stainless studs as my replacements. I also did both sides which takes twice as long. It is a pain in the butt to do this and your back will not be happy with you when you are done..
Cargo Master
Joined: Feb 2011
Posts: 3,450
Likes: 13
From: Forest lake minnesota
I don't remember the part numbers I got mine on Ebay, just punch in 5.4 exhaust studs..
Fleet Mechanic
Joined: Nov 2011
Posts: 1,825
Likes: 43
From: Land of Taxes
Have a look at the threads below. The new studs n nuts are improved material. The stealership had them and they were not too much. Was not as bad as I thought it was gona be...not sayin it was fun by any means.
https://www.ford-trucks.com/forums/1...-opinions.html
https://www.ford-trucks.com/forums/1...+exhaust+studs
https://www.ford-trucks.com/forums/1...-opinions.html
https://www.ford-trucks.com/forums/1...+exhaust+studs
More Turbo
Joined: Jun 2016
Posts: 690
Likes: 75
From: Kansas City, MO
Any idea what they cost from the dealership? Can get the studs in a few days off ebay for $16. I need them asap and would rather go to the dealer but if it's considerably more I will order them tonight.
Fleet Mechanic
Joined: Nov 2011
Posts: 1,825
Likes: 43
From: Land of Taxes
I dont remember I did this 5 years ago. Parts to do one side that included gaskets, studs nuts and the head pipe 3 studs n nuts was around 100 or so if memory serves me? Give the stearleship a call and ask. Have the last 7 or 8 numbers of the trucks VIN available as they will ask for it.
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Cargo Master
Joined: Jan 2012
Posts: 3,053
Likes: 21
From: Pittsburgh, PA
I have been looking at these studs: Ford 4 6 5 4 Liter V8 Stainless Exhaust Manifold Stud Kit for 2 Manifolds | eBay
And these gaskets: https://www.summitracing.com/parts/sce-4046
The stainless and copper should elminate future issues. I was going to get my manifolds ceramic coated to for extra protection and use antisieze on all the fasteners.
And these gaskets: https://www.summitracing.com/parts/sce-4046
The stainless and copper should elminate future issues. I was going to get my manifolds ceramic coated to for extra protection and use antisieze on all the fasteners.
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Laughing Gas
Joined: Oct 2001
Posts: 957
Likes: 3
From: Winchendon MA
Those metric SS studs are the ones I'll be going to on my v10. The company that sells them is close to where i grow up and they don't sell cheap junk they supply metric stuff to many of the area MFG companies and shops so that's why I'll go with them.
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