LT1-LT4 Modifications 1993-97 Gen II Small Block V8

pulley is making bird noise/ and what is this hose for ?

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Old 08-29-2010, 04:44 PM
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Default pulley is making bird noise/ and what is this hose for ?

I have 2 question about 2 different thing, I dont want making 2 topic hehe.

1: I think one of my pulley is making bird chipping noise when cold start, it gone when engine is warm up. how do I take the bell off and how do I take the pulley off. I think the small one at the bottem is making noise. I want take it out and regrease it with lucas red and tackle.

2: while I was looking at the IAC today, I saw a metal hose , I think a hose support to hook into that. I beleive my car have AIR pump delete. should I cap that metal hose off ?

this is the pix with the red arrow to it, in this pix look like a hose connect to it, mine do not have anything connect to it.

Old 08-29-2010, 04:51 PM
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1. on the bottom of the accessory bracket is the idler pulley.. you take a ratchet and socket that fits it, and apply torque to it.. i dont remember which way you turn it but you will figure that out pretty easy... if it is your iddler pulley you cant just grease in, i believe its non-serviceable, you just have to get a new one..


2. that is a cap on the coolant circuit that was routed through your throttle body... it is part of you throttle body bypass..
it is not part of a.i.r. delete
Old 08-29-2010, 05:40 PM
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It is a 13mm bolt. Use a socket and a short extension, putting the ratchet handle in the 2-o'clock position. This will give you enough leverage when the tensioner is fully released to remove the belt.
Old 08-29-2010, 05:50 PM
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correct 100%
Old 08-29-2010, 06:01 PM
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yeah the tensioner pulley is easy to remove. Use a socket wrench as mentioned and turn it clockwise. That will release the tension and then the belt will come off. Then its just two bolts that hold the the unit to the engine. Your better off just replacing it.
Old 08-29-2010, 06:21 PM
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Originally Posted by brucer
1.


2. that is a cap on the coolant circuit that was routed through your throttle body... it is part of you throttle body bypass..
it is not part of a.i.r. delete
im new to this, y u think it unplug ?
Old 08-29-2010, 06:35 PM
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thanks for every one comment, the noise that making is only first start, in the morning, it go away after few min, should I replace it anyway ?
Old 08-29-2010, 07:07 PM
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the previous owner capped it off because it keeps hot coolant from going through your throttle body and heating up the incoming air. It was designed for cold weather climates to keep it from freezing shut in winter. obviously in the south you dont need to worry about that.

Last edited by Badazz 97 TA; 08-29-2010 at 07:38 PM.
Old 08-29-2010, 07:18 PM
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Originally Posted by Badazz 97 TA
the previous owner capped it off because it keeps hot coolant from going through your throttle body and heating up the incoming air. It was designed for cold weather climates to keep it from freezing shut in winter. obviously in Florida you dont need to worry about that.
thanks, I live in Mississippi I drive car year round, should I worried about it ? btw should I cap that hose on the TB off ? I dont want any dirt to get in their, does it created a vacum leak if I leave it un cap ?
Old 08-29-2010, 07:29 PM
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You dont have anything to worry about driving it year round. I would just leave the caps on it
Old 08-29-2010, 07:59 PM
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Originally Posted by bigj2717
You dont have anything to worry about driving it year round. I would just leave the caps on it
I will buy a cap tomorrow, but if I leave it open, will i have a vacum leak or anything ?
Old 08-29-2010, 08:02 PM
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Originally Posted by killagt
I will buy a cap tomorrow, but if I leave it open, will i have a vacum leak or anything ?
no you will not have a vacuum leak
Old 08-29-2010, 08:05 PM
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Originally Posted by brucer
no you will not have a vacuum leak
oh ok, thank you.
Old 08-29-2010, 08:41 PM
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btw how do I know If I got AIR delete.
Old 08-29-2010, 09:52 PM
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Just got off my lazy *** and went to walmart, buying battery for my camera , take some pix. please look at these pix and tell me if I got AIR delete.

Here the pulley I pull off the tentioner, it bone dry, no grease on it, I pull the gasket off both side and grease it, quiet now.




by look at this header, can you tell if I have AIR delete ?



where these 2 wire hook up to ?



what its ? and its stock ?

Old 08-29-2010, 10:09 PM
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the air looks deleted, on your drivers side header you can see a plug in the #1 cylinder primary, normally there is a hose/metal fittings connected there.
Old 08-29-2010, 10:17 PM
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Originally Posted by TheTransporter69
the air looks deleted, on your drivers side header you can see a plug in the #1 cylinder primary, normally there is a hose/metal fittings connected there.
thanks, the last pulley, some one told it its aftermarket underdrive pulley, its true or it come stock like that ?
Old 08-29-2010, 11:34 PM
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Your AIR is definitely deleted.

I can't really tell, but is there another pulley behind the front pulley? It looks like it and if so, you have an underdrive pulley. Most underdrive pulleys simply bolt to the crank hub, then the factory damper bolts to the underdrive pulley.
Old 08-29-2010, 11:48 PM
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Originally Posted by RamAir95TA
Your AIR is definitely deleted.

I can't really tell, but is there another pulley behind the front pulley? It looks like it and if so, you have an underdrive pulley. Most underdrive pulleys simply bolt to the crank hub, then the factory damper bolts to the underdrive pulley.
yes the belt is right behind it, does it make the belt shorter ?

any one know a full list of full bolt on on lt1 pls.
Old 08-30-2010, 08:46 AM
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omg dude, just type a keyword and search. jesus christ


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