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- Thread starter Jack Meoff
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Shorty Thompson
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Aspen500
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Ain't that the truth!
Kramer79
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I need 4 or 5 of those signs...
Shorty Thompson
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MiradaMegacab
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Well, I had the pleasure of the dreadful galling of a SS bolt and a cast aluminum water pump. The head snapped off, (top right in pic) I tried drilling to use an EZ-Out with the pump still in my 2007 5.7 MegaCab. That didn’t work.... Ultimately I removed the pump from the engine and was able to completely drill out the bolt and retap the M8X1.25 threads. Total time to repair this was 8 hours..... Typically I use White Lithium grease on most of my bolts. I’m gonna use Anti-Seize on this particular application
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MiradaMegacab
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M8X1.25 (slightly larger than a 1/4X20 bolt) 304 SS bolt that was holding a ProCharger bracket is the bolt that snapped. It would be the bolt located at the bottom of the pic, so there’s quite a bit of leverage and force on a relatively small diameter bolt. It snapped the second I put minimal pressure on the Allen Key to remove it.
Ultimately it’s a bad combination of a brittle SS bolt and galling of the cast aluminum
Stainless steel is nice, but it doesn't make a strong fastener. You can NOT torque a SS fastener to same setting as a normal one.
This is also a case where the bean-counters have their say over the engineers (fastener size). The 5.7L exhaust manifold fastener size is another example (way too small).
For anything that might touch coolant (ie: water pump bolts, LA timing cover bolts, etc.), anti-seize compound is the only thing I use.
BudW
This is also a case where the bean-counters have their say over the engineers (fastener size). The 5.7L exhaust manifold fastener size is another example (way too small).
For anything that might touch coolant (ie: water pump bolts, LA timing cover bolts, etc.), anti-seize compound is the only thing I use.
BudW
MiradaMegacab
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MiradaMegacab
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Shorty Thompson
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Happy Saturday;
Aspen500
Well-Known Member
Sadly, I've seen more than one car like that Charger. In north central Wisconsin it comes to be expected.
