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02-17-2001, 11:59 AM | #1 |
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Join Date: Sep 2000
Location: New Hope MN USA
Posts: 276
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Do I really need an impact wrench?
Do I really need an impact wrench to remove and install my alt. underdrive pulley. Having a hard time getting someone to lend me one...For a weekend project, can I use a torque wrench instead? Thanks....
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02-17-2001, 12:22 PM | #2 |
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Join Date: Apr 2000
Location: O'Fallon, IL
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I took mine to auto zone when i switched mine, and they did it for me really quickly, and i know they used an impact. i have impacts here at my house, but no vice or anything to put it in to keep it from turning. if there is an autozone or anything like that around there, i would just take it there, and they will have it done in 5 mins. josh
------------------ ************************* '89 GT, T-5, Bored .030 Over, GT-40P heads, MAC 1 5/8" headers, MAC Off-Road H-Pipe, 2 1/2" Flowmasters, Edelbrock 65mm T.B., Trick Flow Intakes, Crane 2031 cam, 1.7 Roller Rockers, Keith Black hyp. flat top Pistons, Screamin' Deamon Coil, Champion Plugs, March Underdrive Pulleys, 255lph Fuel Pump, SVO Motorsport Clutch, Adjustable Fuel Pressure Regulator, Formula GP Suspension, MAC Upper & Lower Control Arms, FMS 3.73 Gears. ************************* |
02-17-2001, 12:31 PM | #3 |
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Join Date: Oct 1998
Location: Suburban Chicago, Hanover Park
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No you don't need one, but it's the best tool for the job. I used a vise grip on the old alt. pulley to keep it from turning, but that pulley is now trash. Maybe if I'd wrapped a strip of rubber around the pulley before the vise grip it might have been salvageable. You could probably go to a garage and have them remove and replace the nut when you change pulleys for a few bucks or even for free if the guy is cool. Ought to take all of 2 minutes. Just a thought. BTW you don't really need the alternator pulley on it's not really going to improve your performance and if you have a nice stereo or plan on putting one in remember the new pulley doesn't give you much juice at idle. When I sit at a light at night my lights dim and the volts go way down and I have the stock stereo and no foglights or accessories hooked up.
------------------ 91 LX 5.0 Z t-5, 3:73 gear, Vortech 73mm Mass Air, Accufab 65mm TB, BBK underdrives, Crane HI-6S Ignition, BBK unequal length headers, Bassani x pipe, 2.5" Dynomax Super Turbo cat back, Kenny Brown Super Subs, Factory Five Control Arms, Mac cold air kit and more to come! |
02-17-2001, 12:41 PM | #4 |
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Join Date: Feb 2001
Location: Mecca, Indiana
Posts: 1,419
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Auto Zone will probably rent you an impact wrench for free. You just have to give them a deposit. But I have heard they will even do the swap for free for you.
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02-19-2001, 02:07 PM | #5 |
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Join Date: Dec 1998
Location: MEMPHIS,TN.
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FWIW,I would leave the stocker on the alternator.Is it a 3G??
------------------ FMS 373,Mac U/D Pullies,B&M shift kit,B&M Trans cooler, KYB's,FMS 65mm T/B,Moroso cold air kit,75mm Bullet,BBK sub frame connectors,Power-slotted rotors w/performance friction pads PST performance sway-bar kit,3G alternator,Maximum Motorsports Strut tower brace,Maximum Motorsports G-Load brace Maximum Motorsports lower control arms,Autometer,oil,H2O, volt MSD6AL,MSD Blaster coil,'Tiny Avenger'intake pipe |
02-19-2001, 05:30 PM | #6 |
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Location: San Jose CA
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It can be done without it but it is extremely difficult. I was in your shoes and even when I was able to keep the pulley from moving the vehicle(I have a standard transmission) I could not get enough on it to budge it. Then my buddy came by with an impact wrench and in about 3 seconds, it was off.
It can be done however. I would not recommend it though. |
02-19-2001, 05:43 PM | #7 |
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Join Date: May 1999
Location: Georgia
Posts: 3,866
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Its not that hard if you are a mechanic and have a good set of tools. otherwise, take it to someone with an impact.
i did mine with a combination wrench, and an allen wrench [This message has been edited by Mach 1 (edited 02-19-2001).] |
02-19-2001, 11:29 PM | #8 |
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Join Date: Mar 1999
Location: Arcadia, CA, USA
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Before I owned an impact, I would bring my alternator to a machine shop. Usually they'd do it for free.
------------------ '91 LX Procharger, 3 row intercooler, extrude honed Cobra intake, Mac full Length Headers, 30# inj., 73mm C&L, 75mm tb, E303 cam, 289 rods, ported E7 heads, MSD, T-Rex w/255 lph Walbro, 5 lug conversion, Cobra R wheels, 3.27 gears and Moser Axles. |
02-19-2001, 11:49 PM | #9 |
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Join Date: Dec 2000
Location: south bend, in.
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ok ive gone through some hell gettin my crank bolt off and ive never had a impact break it loose. but im sure most will come free with a good impact set-up. but mine was just a pain.
heres how i broke mine free, block your wheels, put car in reverse, put a pair of channel locks on the harmonic balancer, use your torque wrench(cheater bar) pull it as far as it will go, hold it there repostion the cheater bar for another turn. thus the forward motion of the car will help break it free. also if you have someone available have them pressing the brakes. ------------------ 88gt gt40 irons mill/port, ported up/low efi,mac longs,1.6 rrs, crane fpr,fms a/c elim,dynomax s.t.,190lph,weld rims, bfg drs,3.73s, parts in limbo 24# inj and compcam .533 lift, 73 c&l mass 82gt 351w in limbo 89 4 cyl notch in limbo |
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