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Old 05-21-2015, 06:24 AM   #1
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Leaking exhaust manifold

My Ford V10 the exhaust manifold is leaking on the left side in the back, it looks like the 2 bolts have been broke. I can just about see it, have no Idea how to get to it to repair, any ideas ??

Bob & Karen & Buddy "yourkie"
2008 Winnebago 39W Destination DP
South Jersey
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Old 05-21-2015, 05:18 PM   #2
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It is a tough job with little clearance. The bad news is that others will break as you remove the nut and studs. I paid over $1,400 to have a mechanic do mine on a '99 F250. That has more clearance than an E250/350/450. I have heard of the need for an angle drill, or even a mig welder to reattach the nuts to the studs after they break. This is NOT a job for the novice.

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Old 05-22-2015, 12:47 AM   #3
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I don't have a Ford V10 but will add what worked for me in regard to removing exhaust manifold bolts. All four end bolts on my 454 were snapped off due to manifold warping. These engines were notorious for bad manifolds. To remove all the remaining bolts I used a 90 degree air impact wrench. I started the process at very low air pressure and held it on the bolt letting the impact beat lightly on the bolt for a couple minutes. I kept increasing the pressure and repeating the process a couple minutes for each graduation in air pressure. After approximately 15 min. per bolt they were all out.
Next I had to deal with the remains of the bolts that had broke under use. All had sheared off below the head surface. To make matters worse they all had cracked at angles presenting a problem starting a drill in an angled surface and keeping it centered. If anyone is interested I can post how I handled that dilemma.
Fixing broken exhaust manifold bolts is not an easy task. Unless you get satisfaction from solving and fixing your own problems or are so tight that you squeak when walking, it would probably be better to pay to have it done.
Kevin n Chriss - 2015 Newmar Bay Star-
1993 Fleetwood Bounder -The Flounder-
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Old 05-22-2015, 02:00 AM   #4
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This is the time to check the entire system including cat converters, mufflers, heat shields, hangers and tail pipes.
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