Downstream O2 Sensors Replacement

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Jul 29, 2022 | 09:26 AM

#31

spider2k

Joined: Sep 2004

Posts: 1,222

Likes: 222

From: stockbridge

Looks like a ceramic like the inside of a kiln used as a gap filler.

Jul 29, 2022 | 11:45 AM

#32

B serious

Joined: Nov 2007

Posts: 8,841

Likes: 1,705

From: Illnoise. WAY downtown, jerky.

Yeah, its some sort of ceramic filler to ensure the heat shields don't rattle, and it also insulates the heat.

Aug 18, 2022 | 09:36 AM

#33

cosmomiller

Thread Starter

Joined: Aug 2012

Posts: 7,904

Likes: 3,435

From: Foothills East of Sacramento

The new sensor and CAT (with all the Honda required new bolts and gaskets) have been working fine now for a couple of weeks. No rattles or anything.
I sold the old CAT for $485 on eBay. It went to a scrap dealer in New York! I may have underestimated the scrap value of the thing. I guess I should have asked a couple of local scrap businesses what they would give me for it.

Oh well. It helped offset the $1100 cost of the new OEM made in Japan CAT.