GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

2010 Denali Underdrive pulley PROBLEM!

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Old 04-26-2010 | 03:45 AM
  #11  
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where could i find the ac tensioner any part number or sumthing will help.. what about the belts? will asp provide me with them
Old 04-26-2010 | 03:56 AM
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I got my tensioner off an engine I had lying around. And I got my UD pulley from SLP, it came with a new bolt, I believe I got the belt sizes off of the instruction sheets that came with the pulley. And I got the smaller alt pulley off of RPM.
Old 04-26-2010 | 06:26 AM
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Originally Posted by supercharged680
u guys im thinking of installing an underdrive pulley for my denali what parts do i need exactly
All 3 links show the same 2 belt part numbers for trucks... The same 2 I bought, installing soon..

The SLP pulley comes with a new crank bolt..

http://www.moranoracing.com/slpunpuba2ca.html
http://marylandspeed.com/slp-harmoni...30-p-2557.html
http://www.camaropartsoutlet.com/69495/119.html
Old 04-26-2010 | 07:32 AM
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Originally Posted by FrankyRST
I ran into this problem too. I just added the ac tensioner and I was good. I ac belt does slip every now and then though...


UD pulley, new bolt, smaller alt pulley, two new belts...I think thats it
Guys is it a worthy mod.. or will I have problems with belts.. I really hate playing around with belts and stuff..

check check and check all I need is the smaller alt pulley.. where could I get it from you guys... a part number will be helpful
Old 04-26-2010 | 10:00 AM
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I got my ac tensioner and belt from autozone... just asked for a 05.. worked like a charm, belt is good and tight with the tensioner... bolt thread is m10x1.50...

Edit: i do not have an under drive pulley... but tensioner will work....

Last edited by skipperdaddy; 04-26-2010 at 10:07 AM.
Old 05-12-2010 | 01:14 PM
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97 Z Me Go's Avatar
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Did the pulley last night. Worked like a champ. Have the asp underdrive pulley with the belts reccomended for the pulley and no issuses. No idea if it makes power or not nor will i ever we have no awd dynos around the area.
Old 05-12-2010 | 02:33 PM
  #17  
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Try this.



http://buy1.snapon.com/catalog/item....store&tool=all
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