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Old 01-07-2011, 10:13 PM   #1
Rushcanuck
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smog/air pump

I just completed a rebuild on my 95 Bronk's 351 I found my smog/air pump was seized solid, I gotta breaker bar trying to free it but its a no go, could I just get a shorter belt and just run it a be fine, I went to the auto parts store and they said it would be $200 for a new one, Im not too keen on that number, maybe I'll try a auto wrecker. and if it wont run fine what would be the symptoms Im really quite interested on what they would be so


thanks

RC
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Old 01-07-2011, 10:46 PM   #2
chakakan
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smog pump

IIDK if you being in Canada is the issue. I"m about to buy a new one (bearing whining) and have checked Rockauto.com and advanced auto parts. They both have them listed for around $100.00 U.S.. With exchange rate and int. shipping I would not expect it to double the cost.
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Old 01-07-2011, 11:00 PM   #3
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The air pump is used to inject fresh air into the exhaust stream before the cat to facilitate a reaction to cut down on emissions. If you disconnect it without removing the cat I think the converter will clog up, resulting in a serious compromise in performance, choking and restricting your exhaust.
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Old 01-08-2011, 12:01 AM   #4
Andrew James
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What he said..^---^

Either gut/remove the cats to suit or fix the pump. But yeah, it's not crucial for engine operation.
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Old 01-08-2011, 01:24 AM   #5
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oh I already have the cats removed
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Old 01-08-2011, 02:29 AM   #6
Andrew James
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Quote:
Originally Posted by Rushcanuck View Post
oh I already have the cats removed
Then by all means, either replace it, or remove it.
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Old 01-08-2011, 06:33 AM   #7
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yo,
In case you want to restore this system; and help prevent S. CALIF type SMOG conditions from forming in your neck of da woods...
&
To help save you some hard-earned $$$$;
Rebuild
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net


Rebuild (but the pump failed again) - Great Info Though!
Source: by RickyB at FSB
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Old 01-08-2011, 09:17 AM   #8
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Originally Posted by Rushcanuck View Post
oh I already have the cats removed
I thought there was emissions testing in BC, or do you know a guy kinda thing. If you don't run the air pump you can really clean up the passenger side of the engine bay.
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Old 01-08-2011, 02:45 PM   #9
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there is emissions testing in BC but only in the vancouver area where I am not so at the moment I dont need to worry bout passing them. I'll look into un-seizing my airpump tho, I'll just unbolt it and start playing around with it hopefully I can free it if not oh well. thanks for all the help.
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Old 01-25-2013, 11:22 PM   #10
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If my air pump were disconnected in a '96 5.0 xlt, would it cause a trouble code?
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Old 01-26-2013, 12:11 AM   #11
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Yes.
http://www.fourdoorbronco.com/board/...ssions-Systems
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Old 01-26-2013, 12:38 AM   #12
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Old 01-28-2013, 02:57 PM   #13
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I went to O'Reilly's to get a belt but I forgot where I saw the length for a 95 5.0 needed to this so I came to do a search and found this. Now i question if I should do this seeing how it can clog up the cat. Not that emissions counts for me but MPG/performance is and a clogged cat isn't going to work out that way. Maybe gutting the cat? If so, my truck is already loud, this is going to make it scream which is what I DON'T want to do. guess it's time to trade the 3" straight for a muffler and gut the cat.
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Old 01-28-2013, 03:18 PM   #14
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Just had this problem this morning. Took it to my mechanic and we just took off the pulley and ran a shorter belt. Said I shouldn't have any troubles. Except when I go to do emissions, but other than that I should be fine. Found one at my local jy for $20 so I will head over there probably on Friday and grab it real quick. FYI the belt was only like 1" shorter than stock, I have a '92 with a 351. Didn't get a part number though. Sorry.
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