Recomended Order for Tightening Exhaust Clamps - Ford Powerstroke Diesel Forum
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Old 07-22-2010, 03:03 PM
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Recomended Order for Tightening Exhaust Clamps

Before I begin I did a search to no avail. I originally posted this in another section but I think this is probably the correct place for this question.

I have an 05 F-350 6.0. I just wrapped up some "basic" engine work replacing the STC fitting, cleaning the turbo, Tig welding a cracked bellows on the passenger side up-pipe and removing the EGR scoop on the up-pipe.

This is my first time getting this deep into the engine but I am a mechanical engineer/machinist/fabricator so I have no problems working on machines.

Everything is back together but now I have an exhaust leak coming from the clamp between the turbo inlet and exhaust branch. It doesn't matter how tight I make everything I can't get it to seal.

So here is what I am planning on doing

1. Loosen all the exhaust clamps

2. Loosen the Turbo mounting bolts

3. Tighten the turbo inlet clamp

4. Tighten the two bolt clamp between the pas-side up-pipe and the branch

5. Tighten the EGR clamp

6. Tighten the driver-side manifold clamp

7. Tighten the pas-side manifold clamp

8. Tighten up the turbo mounting bolts

I think in this order I will be able to get everything to seal and it won't be over-constrained.

If there is an error in my logic or a best practice for this procedure can someone educate me?

Thanks in advance.
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Old 07-22-2010, 03:05 PM
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Quote:
Originally Posted by Brice_Arnold View Post
Before I begin I did a search to no avail. I originally posted this in another section but I think this is probably the correct place for this question.

I have an 05 F-350 6.0. I just wrapped up some "basic" engine work replacing the STC fitting, cleaning the turbo, Tig welding a cracked bellows on the passenger side up-pipe and removing the EGR scoop on the up-pipe.

This is my first time getting this deep into the engine but I am a mechanical engineer/machinist/fabricator so I have no problems working on machines.

Everything is back together but now I have an exhaust leak coming from the clamp between the turbo inlet and exhaust branch. It doesn't matter how tight I make everything I can't get it to seal.

So here is what I am planning on doing

1. Loosen all the exhaust clamps

2. Loosen the Turbo mounting bolts

3. Tighten the turbo inlet clamp

4. Tighten the two bolt clamp between the pas-side up-pipe and the branch

5. Tighten the EGR clamp

6. Tighten the driver-side manifold clamp

7. Tighten the pas-side manifold clamp

8. Tighten up the turbo mounting bolts

I think in this order I will be able to get everything to seal and it won't be over-constrained.

If there is an error in my logic or a best practice for this procedure can someone educate me?

Thanks in advance.
I had the same problem and had to get a new clamp because it was stretched.
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Old 07-22-2010, 03:59 PM
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i have had luck with vibrating the clamps lighly with an air hammer when tightening with an impact. seems to work everytime for me
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Old 07-22-2010, 04:13 PM
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you have the riht idea tighten turbo to exhuast clamps first then turbo to pedestal
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