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ZUKIWORLD Discussion Forum => Technical Discussion - Beginner / Repair => Topic started by: 144man on July 01, 2011, 06:07:30 PM

Title: Rattling Cat
Post by: 144man on July 01, 2011, 06:07:30 PM

My '87 Sammy has developed a rattle on hard acceleration.  It sounded like a loose heat shield somewhere, but on further investigation, it seems that the core of the catalytic converter is loose in its housing.  The entire exhaust system is tight as a drum, but when I thump on the cat, I can hear a rattle.  Do I need a new cat?

Title: Re: Rattling Cat
Post by: lv2fsh on July 01, 2011, 08:07:15 PM

Sounds like you do need a new one. If those loose pieces plug it up, it may not run and won't run very good if if does.

Title: Re: Rattling Cat
Post by: my996duc1 on July 02, 2011, 04:03:46 AM

change it quick.... I waited and drove mine for awhile. It ended up blowing pieces into the muffler. Then I ended up having to change both.