Thursday, November 8, 2018

Dodge ram broken exhaust manifold studs, its a common problem for the Hemi

If you have the common problem with Hemi 5.7 and other FCA engines using the 8mm exhaust studs There is a place nearby that can fix this problem. Using the special drill and broken stud removal fixture - alignment kit seen here it can be drilled perfectly on center and the snapped 8mm studs extracted. Without this tool you could thin the cylinder head casting and cause problems.


As seen here where ever the studs break off you will get a leak, note the carbon soot and uncleaned exhaust gasses escaping the gasket below. This may also set a code on some vehicles in addition to possibly allowing exhaust gasses and carbon monoxide to enter the cab. But the biggest reason owners cite is the annoying noises it makes. Air leaks here could cause other problems as well.
Once the broken studs are out, the new tubular exhaust header is installed. In this job the customer chose a equal length ceramic coated header. This should produce about 50 ft lbs of additional torque and a little horsepower. Perfect for a Dodge Ram. The exhaust note will have a little more rumble even though it is stock. This header will flow more freely. We generally use new OEM studs, although there is much conjecture on many truck forums we find the OEM studs are a grade 10.3 and actually good quality however they are only 8mm, Its not practical to use a different thread bolt size without major reworking of the entire system - probably not worth it for most. The reason for the tube headers and ceramic coating is that the steel header flanges do not expand and contract as much as the cast iron flanges on the oem manifolds.
Dodge ram 5.7 hemi problems with exhaust manifold leaks where the studs break off from temperature expansion. You can get them fixed here at an experienced shop in Middletown NY it's got to be Dolson Auto & Tire or go to https://www.dolsontire.com to order the job parts and labor, we will take care of the entire process for you. Plus, if you purchased an extended warranty we work with most warranty companies so have little or no out of pocket expenses depending upon your terms and conditions. We will send them photos, video, and secure an ok from them for the coverage. Bring us a copy of your warranty paperwork when you drop it off for repairs. 845-343-6300

1 comment:

  1. John does amazing work! Very careful and uses the right stuff!

    ReplyDelete

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