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Old 03-26-2002, 07:57 AM   #1
WRXnFX
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Default What size bolt is on the crank pulley?

What size bolt is on the crank pulley and what is the torque value?

Winslow
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Old 03-26-2002, 08:02 AM   #2
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It's 22mm, and you should torque it down to 90ft/lbs

Danny
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Old 03-26-2002, 08:25 AM   #3
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Five minute reply. Isn't this place wonderful. Thanks

Winslow
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Old 03-26-2002, 09:04 AM   #4
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i agree with dandbeast. that's what i recall from my underdrive pulley install. IMPORTANT: it's a DEEP socket. it's recessed enough so that you need a long socket to get to it with a breaker bar. I just went to Ace hardware and bought a $10 set of deep sockets. I tried doing it with a regular 22mm socket but i couldn't get to it.
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Old 03-26-2002, 10:48 PM   #5
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You're welcome. And make sure you DO torque it properly, cause at first I didnt, and just used a really long breaker bar to tighten it, and I got it so tight, that the pulley was wobbling at idle It took a two foot pipe and that same breaker bar to get it loose, and once I did it right, all was good.

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Old 03-27-2002, 08:01 PM   #6
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I used a regular Craftsman 22mm socket and it was plenty deep enough. And yes, you'll need a nice long breaker bar and maybe a pipe. By the way the alternator bolt is 24mm, if you are changing that at the same time (I have the GFB pulley kit). That one is a PITA to get off but I used the old belt as padding and put channel locks on it.
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Old 03-28-2002, 05:18 AM   #7
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Thanks for the tips.

Winslow
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Old 04-20-2002, 01:44 AM   #8
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So the channel locks hold the alternator pulley still so you can losen the bolt?(i dont know what channel locks are, but i guess i will buy them at store before i install my GFB set)- ok one more question, how do i know how tight i am torquing bolt down, is there an attachment or something i have to buy? (i never used to do work on my last car cause it was a POS, so everything i do on subaru is for the first time) thanks in advance for helping me out..
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Old 04-20-2002, 11:28 AM   #9
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Quote:
Originally posted by PaulRex
So the channel locks hold the alternator pulley still so you can losen the bolt?(i dont know what channel locks are, but i guess i will buy them at store before i install my GFB set)-
Yes, you'll probably need an extra person, Be sure to use an old piece of belting on the alternator pulley so you don't tear it up too much. The alternator pulley is a real pain in the ass to remove. They put a 22mm bolt on the crankshaft but a 24 mm bolt on the alternator

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Originally posted by PaulRex

ok one more question, how do i know how tight i am torquing bolt down, is there an attachment or something i have to buy?
You'll need a torque wrench. A good one runs $90-$150. You want a good "click-type" torque wrench. If you can't or don't want to buy one, borrow one off of a friend or rent one from a hardware store for a day.
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Old 04-20-2002, 12:04 PM   #10
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i used a large set of channel locks (sort of like an adjustable pliers) to hold the alternator pulley while i loosened the bolt. i cushioned the pulley with the old belt to prevent it from tearing up the pulley. this is a two-person job, one to hold the channel locks and one to loosen the bolt. it is on very tight. you will need to get a torque wrench, it is an investment you will use often if you work on your car a lot. get the click-set type, not the type with the needle and gauge. also get the 1/2" drive type, not the 3/8". you can then use a 3/8" adaptor for smaller jobs, and you will have a sturdier wrench. craftsman is a good brand and easy to get (any sears), or you may be able to rent one. you dial in the correct torque and when you tighten the bolt you will hear or feel a click when the correct torque is reached. do not overtighten or you may deform or damage the soft aluminum of the pulley. don't bother torquing the alternator pulley, just get it on nice and tight (again don't overtighten). make sure your belt tensions are set nice and tight when you are done...if you go too tight however the belts won't last long.
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Old 04-23-2002, 02:17 AM   #11
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THANKS!! thank you for the info. - I also emailed Dale Teague(the vendor i bought my GFB kit from) and he gave me similar advice, said that the alt. pulley is hard to hold still and that it would be much easier with airtools or a rattle gun and such.. also said put the car in 5th and have someone step on the brake to remove crank bolt.
Now about the belt tensions.. i was reading the Owners manual before and it has specifications for how tight the belts are supposed to be, so i figured i would just go by that(they just say how much it should give when you push down on it at a certain point)
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