i installed a DC 4-2-1 SS header on my LS.
during the install, one stud on the head for the manifold broke off, is that anything major?
and now at 1400 rpms there is a loud rattle. my bro kept it there while i looked and its the heat shield for the cat. anyway to fix this?
thanks


Modified by rufridn at 6:49 PM 10/20/2004

 

so is the bolt stuck in there?

 

one of the studs from the head that the manifold goes into borke off, i think theres 8 of them? i was bolting it down and it just snapped off.

 

the bolts on the manifold break off easily if you're not careful, its not that uncommon of a thing- everything can run properly if the other bolts are tightened down enough, but its something you should look into fixing eventually. as for the rattling, are you referring to the heatshield above the cat or the cat's actual heatshield? if its the cat's, you could remove it if need be, but try adjusting the heatshield above it (bend it if you need to). also you might want to try playing around with the rubber hangers some.

 

its the heatshield above the cat. ill mess around with it tomorrow. thanks dFreezy. how would they be able to fix the stud and how much do you think?

 

for tips on how to fix it, check this thread out: https://honda-tech.com/zerothread?id=567450

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by rufridn &raquo;</TD></TR><TR><TD CLASS="quote">one of the studs from the head that the manifold goes into borke off, i think theres 8 of them? i was bolting it down and it just snapped off.</TD></TR></TABLE>

To prevent this in the future, use a shop manual and a torque wrench.

 

had the same problem with my heatshield on the cat, thought i warped my flywheel...just removed it with a bladed screw drive....the metal on the heat shield is real flimsy..comes right off