Lacyjs9 Posted June 30, 2013 Share Posted June 30, 2013 when my car is idling i hear a tapping that sounds like its coming for my cat Link to comment Share on other sites More sharing options...
SmashedGlass Posted June 30, 2013 Share Posted June 30, 2013 (edited) Check for loose heat shield around the catalytic converter. Even a fairly new a/m cat can start to rattle from there; mine (Magnaflow no less...) began to tick and rattle a bit about two weeks after it was installed. Edited June 30, 2013 by SmashedGlass Link to comment Share on other sites More sharing options...
MilesFox Posted June 30, 2013 Share Posted June 30, 2013 Tear the heat shields off if they are too rusty, or use big dryer hose clamps to secure them and cease the rattling. This is common. Removing the heat shields will help prevent any rust through behind them. Link to comment Share on other sites More sharing options...
mikaleda Posted June 30, 2013 Share Posted June 30, 2013 +1 rip those heat shields off! Link to comment Share on other sites More sharing options...
scoobiedubie Posted June 30, 2013 Share Posted June 30, 2013 It's normal to hear some hydraulic lifter noise. Just as long as it is not too loud. Link to comment Share on other sites More sharing options...
Lacyjs9 Posted July 1, 2013 Author Share Posted July 1, 2013 its not coming from the engine and its been raining here so i hsvent been able to mess with anything i will let yall know if it quits when i rip the heat shield out Link to comment Share on other sites More sharing options...
mudduck Posted July 1, 2013 Share Posted July 1, 2013 Yep, check the heat sheilds. Mine rattle like hell on my 89, but I kinda like to have them on there, because the bottom ones are nice and thick, and seem to take the abuse from rocks and other things that might otherwise damage the exhaust. Also kinda cool to see someone else on here from just one county north of me. Link to comment Share on other sites More sharing options...
Lacyjs9 Posted July 1, 2013 Author Share Posted July 1, 2013 Yep, check the heat sheilds. Mine rattle like hell on my 89, but I kinda like to have them on there, because the bottom ones are nice and thick, and seem to take the abuse from rocks and other things that might otherwise damage the exhaust. Also kinda cool to see someone else on here from just one county north of me. sweet ive been looking for folks around me Link to comment Share on other sites More sharing options...
mudduck Posted July 2, 2013 Share Posted July 2, 2013 use big dryer hose clamps to secure them and cease the rattling.Ya know, that is something I haven't thought of doing. Gonna have to try that. Though i have noticed that after playing with the big trucks at the mud pits, they are so packed full of mud and crud that they actually don't rattle for a day or so, until i wash out from under it or the mud dries and eventually falls out Link to comment Share on other sites More sharing options...
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