The clamp was completely loose.
Anyways. Lets say I replace both sensors and it does not fix it. Will they be at any risk of being destroyed before I can get a new converter in it? |
Originally Posted by webdawg
(Post 303461)
The clamp was completely loose.
Anyways. Lets say I replace both sensors and it does not fix it. Will they be at any risk of being destroyed before I can get a new converter in it? To answer your question, the O2 sensors would not be damaged at all. To add to this, you only need to replace the one O2 sensor that is bad. It won't hurt to replace them all, but it is unnecessary. Again, I would be very surprised if your catalytic converter is bad. You want to be certain it is in fact bad because it will cost you over $500 in parts alone to replace. For comparison, one replacement sensor is only about $55 (AC Delco p/n 2134553 shipped from RockAuto). The only brands of O2 sensors I use are NTK, Denso, or AC Delco. I'm pretty sure your Equinox came with Denso sensors from the factory. The AC Delco replacements will probably be Denso parts in an AC Delco package. Although AC Delco is the brand of most OEM GM parts, many AC Delco parts are manufactured/supplied by different companies and just have the AC Delco brand on the package. |
Can someone tell me what the 3rd 'converter' after the y pipe is on my vehicle? Is it just a resonator. The guys at GM parts had no idea and did not want to do the work to tell me. It was called a converter in the parts manual.
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Originally Posted by webdawg
(Post 303642)
Can someone tell me what the 3rd 'converter' after the y pipe is on my vehicle? Is it just a resonator. The guys at GM parts had no idea and did not want to do the work to tell me. It was called a converter in the parts manual.
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Originally Posted by ruley73
(Post 303643)
It is exactly that, a third catalytic converter. It is item 6 in this diagram. Having the exhaust go through two catalytic converters is common practice on many newer vehicles.
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Originally Posted by webdawg
(Post 303646)
Why would it be unmonitored?
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Can someone tell me which converter is bank 1 and which is bank two?
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Originally Posted by webdawg
(Post 304620)
Can someone tell me which converter is bank 1 and which is bank two?
The "bank" refers to the bank of cylinders being identified. Bank 1 is always the bank containing cylinder #1 in the firing order. In your case, Bank 1 is the rear/firewall side cylinder head. Obviously, Bank 2 is the opposite bank; in your case the front/radiator side. |
So:
Front Bank= 2-4-6 (near radiator) Rear Bank= 1-3-5 (near firewall) Do you know what to search for in the OEM service manual to get a diagram of the cylinder numbers? |
1 Attachment(s)
Originally Posted by webdawg
(Post 304630)
So:
Front Bank= 2-4-6 (near radiator) Rear Bank= 1-3-5 (near firewall) Do you know what to search for in the OEM service manual to get a diagram of the cylinder numbers? ...The right bank of cylinders are number 1-3-5 and the left bank of cylinders are 2-4-6, viewed from the flywheel end of the engine. The engine firing order is 1-2-3-4-5-6. Attachment 8119 |
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