V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

smog pump

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Old Nov 2, 2009 | 08:14 AM
  #1  
captbarbosa's Avatar
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smog pump

3.1 automatic 90 model bird. Smog pump locked up. I searched threads, but found nothing definitive concerning a simple fix, i.e. reroute the belt. Doesn't look possible, but what do I know. I found a couple threads on v-8 belt reroutes, but nothing on the 3.1. I really gotta get this fixed asap, without spending a ton of money on something that really isn't a gotta have thing (the pump). I'm pushed hard for time and money, any constructive info would be a godsend to me right now.
Car runs great, otherwise. Just hate to put a 44 magnum in the block (although at this moment, I feel like it).
Thanks in advance.
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Old Nov 2, 2009 | 09:35 AM
  #2  
K-slice's Avatar
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From: Traverse City, MI
Car: 91' Firebird
Engine: 3.1 LH0 V6
Transmission: Auto 700R4
Axle/Gears: 3.23 limited slip
Re: smog pump

Delete pulleys are rare if not impassable to come by in my experience. Most people if they want the thing taken of they'll just skip that pulley, run the belt right to the crank from the alternator. If i remember the conversation right some people have trouble doing that because that leaves a long section of belt, but others have had success with it..
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Old Nov 2, 2009 | 10:05 AM
  #3  
jensen73110's Avatar
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From: Oklahoma City
Car: 1991 Firebird
Engine: 3.1L +bolt ons
Transmission: 700R4
Axle/Gears: Moser forged, 3.73, SLP posi
Re: smog pump

Delete pulleys are always on ebay. There's 2 right now, but they are asking way too much.
I've read one here where people gut the pump, then have the factory pulley spinning freely.
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Old Nov 2, 2009 | 10:24 AM
  #4  
project89's Avatar
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From: Utah
Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: smog pump

remove the pump and run the belt from the alt down to the crank pully

it works just fine, do the string trick to figure out which belt u will need, or take ur old belt cut it wrap it around the pulleys and cut it to lenght, then tape the 2 ends together and a parts store can match u up the right belt
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Old Nov 2, 2009 | 11:21 AM
  #5  
///DAN///'s Avatar
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From: Pennslyvania
Car: 1984 camaro Z28
Engine: 355 SBC
Transmission: 700 r-4
Axle/Gears: Strange 3:73 posi
Re: smog pump

If your car still goes through emissions the pump may have to visiually be there , if that's the case you can gut it if emissions is aren't a concern just take it out like others said.
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Old Nov 2, 2009 | 11:49 AM
  #6  
captbarbosa's Avatar
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Re: smog pump

Thanks for the info. I'll get out here and give the belt thing a shot and see what I can do. Old belt's probably fried now anyway, so looks like a new belt either way. Thanks again!
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Old Nov 2, 2009 | 04:17 PM
  #7  
GTA50's Avatar
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Joined: Jun 2007
Posts: 487
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From: Chilliwack, B.C., Canada
Car: '88 GTA, '89, '94 Firebird, '84 T/A
Engine: 5.0L TPI (GTA); '89 -2.8; '94 -3.4
Transmission: 5 speed (for all 3),auto for T/A
Axle/Gears: 3.45 (GTA only)
Re: smog pump

I used Dayco part number 5060825 belt (no AIR Pump, no A/C). There is a long stretch from the crank to the alternator but no problems for me after a year.
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Old Nov 2, 2009 | 05:39 PM
  #8  
chevyracingrox's Avatar
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Joined: Nov 2007
Posts: 1,092
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From: IL
Car: 88 IROC, 76 Malibu Classic
Engine: 350 TPI, 350
Transmission: 700R4, 4-speed
Axle/Gears: 10 bolt ????
Re: smog pump

an idler pulley isn't at all rare. they seem a lot more common on automatics though. the idler pulley is what I did and it worked great for me.
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Old Nov 2, 2009 | 07:52 PM
  #9  
firebird1992's Avatar
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From: NJ UNION
Car: 1992 firebird
Engine: V6
Transmission: 700r4
Axle/Gears: 10 open 3.42
Re: smog pump

http://www.moderndaymuscle.com/inc/sdetail/3509

here u go i have one on my can it clears alot of space out too and remember to block the header with a 1/4 pipe cap where the a.i.r system pipe was
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Old Nov 2, 2009 | 07:58 PM
  #10  
project89's Avatar
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From: Utah
Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: smog pump

Originally Posted by firebird1992
http://www.moderndaymuscle.com/inc/sdetail/3509

here u go i have one on my can it clears alot of space out too and remember to block the header with a 1/4 pipe cap where the a.i.r system pipe was
dam that thinng is exspensive, id much rather just run the belt like most ppl have
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Old Nov 2, 2009 | 09:30 PM
  #11  
firebird1992's Avatar
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From: NJ UNION
Car: 1992 firebird
Engine: V6
Transmission: 700r4
Axle/Gears: 10 open 3.42
Re: smog pump

lol you want cheap get a honda haha (joking)

well this is just me my a.i.r pump the pulley just broke off so this was the best thing to getting a belt
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