NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   Altenator Pully? (https://www.nopistons.com/2nd-generation-specific-17/altenator-pully-5324/)

7mech 09-16-2002 04:10 AM

The topic says it all. I have an s5 that I want to remove the altenator pully from. I bought the dual pully from Rotary Inovations and want to put it on. Does anybody know how to get the stock one off? It really is being a pain in the ASS! Thanks.

1Revvin7 09-16-2002 07:53 AM

impact gun

7mech 09-16-2002 08:47 PM

But how doyou keep the pulley from moving?

banzaitoyota 09-16-2002 09:02 PM

I loosen it on the car with tension still on the belt. If you can't don't do it way use a strap wrench. Sears has them. There is a write up on my Webpage also. Any help needed let me know.

1Revvin7 09-16-2002 09:07 PM


Originally Posted by 7mech' date='Sep 16 2002, 09:47 PM
But how doyou keep the pulley from moving?

thats one of the nice things about an impact gun. it hits so hard that it doesn't spin.

7mech 09-16-2002 09:09 PM

Banzaitoyota I couldn't find the write up. You are the guy from Rotary Inovations right? Could you please put up a link to the site so that I can see tha write up and get this crap done. Thanks.

Fastrotaries 09-17-2002 04:27 PM

Matt, all you need is a good impact gun. don't even remove the alternator from the car. O'reilly's has a big enough gun, that they'll do it for free. P.S. Daytona is good, and toga parties kick ass.

phinsup 09-17-2002 04:31 PM

If you are using an impact you should be able to hold it by hand.



And here is the link to the step-by-step which I also plagerized and posted into the topic here, but I am sure bonzaitoyota won't mind.



Link To Webpage







Dual Belt Alternator Pulley Installation How-To for FC3S 13B

( This is a great upgrade to increase belt surface area on the water pump pulley once the air pump is removed. )



Required Tools:



- 3/8 ratchet with 8, 10, 12 and 14mm sockets.

- 1/2 ratchet with 17 and 22mm sockets.

- 1/2 impact gun (air or electric)

Note: socket sizes may vary if the bolts have been replaced.



Parts and Costs:



- Dual belt alternator Pulley - $20.00

( I got the pulley from Zachrx7, his email address is zach12@aikenelectric.net )

- 2 Gates 7315 belts (Any brand 31.5" belts will work) - $20.00



Labor Time:



- It took me 35 minutes from start to finish once I had all the tools out.



Installation Process:



1. Disconnect the negative post on your battery.

2. Use the 10mm socket to loosen the tensioning pulleys for the A/C compressor and power steering belts.

3. Use the 17 and 22mm sockets to loosen the pulleys themselves for the A/C compressor and power steering belts. Then remove both belts.

4. Use the 8mm socket to disconnect the charging lead from the top right of the alternator. Disconnect the white wiring plug from the left rear of the alternator.

5. Use the 12 and 14mm sockets to remove the two bolt holding the alternator in place on either side. Be sure not to lose the space from the left side bolt.



6. Remove the alternator.

7. Use the 22mm socket and impact gun to remove the pulley from the alternator. I used my foot to hold the old pulley from spinning when I zapped it with the impact. Seat the new pulley and again I used my foot to hold the pulley when I zapped it with the impact to tighten it.



8. I reinstalled the alternator by following the breakdown in reverse order. Once complete I double checked all my work, connected, checked the belt tensions and started the car. I tached it up a bit to see if the belts squeeled which would indicate they are to tight or loose. Mine worked fine. Here is a picture of the completed installation.

winger 09-17-2002 05:41 PM

impact gun all the way...i tried with a wrench.....then took the gun out.....5 sec job

FCmaniac 09-18-2002 01:36 PM

They did mine for free at Autozone, just took my pulley and alternator in and they had an impact wrench and clamping tool in the back... they said they keep the tools available because so many "OEM" alt's come in with the wrong pulley on them....

7mech 09-18-2002 11:36 PM

Thanks guys I got mine done for free at a local shop. Ufortunately it's not doing me any good b/c when I installed my new pilot bearing I didn't get it in far enough. I ended up destroying the seal when I started my car. It really sucks b/c i had to drop the tranny again and now have to wait until Friday for the new seal and bearing.

Fastrotaries 09-19-2002 12:33 AM

what did you use to get the pilot bearing out? carefull not to gauge the shaft. I tapped mine in with a socket, and a rubber mallet. what did you use? that's gotta suck. at least you're getting good at swapping the tranny. Yeah i got 9 under my belt......trying to keep that down to a minimum. It's hump work https://www.nopistons.com/forums/pub...>/rolleyes.gif

7mech 09-19-2002 01:58 PM

Johann I pulled the bearing with the bearing puller that I bought from rx7.com. I used the same thing to tap mine in but I just didn't put it in far enough. The seal got all chewed up by the spline shaft from the tranny. I ordered another one from rx7.com yesterday. It should be he on Friday. This is the 7th time I've dropped a tranny. Dropped Jorge's 3 times, Eric's 2 times, and mine 2 times now. Your right it really is hump work. Especially since I've done all but 1 of them on a garage floor. I got smart this time and bought a transmission jack from Harbor Frieght. It's very nice. It only takes a few minutes to get the tranny out and it only takes one person. How was the toga party? How's the car? Did you have it tuned yet? Have you gotten it to the track or raced it at all?

phinsup 09-19-2002 02:01 PM

I have the bearing puller, works great for removal, but not so for install, just use a socket, getting the bearing a little too far won't hurt you, but you naw that seal if it isn't in far enough. The bearing puller i have is from Mazdatrix and it is not meant for install the end of it bottoms out before the bearing is allt he way in.

Fastrotaries 09-26-2002 12:21 AM

wow you bought the puller huh. i've been trying to get my hands on one, and then taking it to a machine shop and having them made and sold cheaper. they're a little steep and i've been a cheap bastard to buy one. but it does definitely make the whole thing easier. can u use the tranny stand, when the car is on the ground? toga parties kick ass......especially when girls lose theirs. car isn't tuned yet. Fri of next week. lots of rice here in daytona. gonna go to Orlando and play with the big boys.

7mech 09-26-2002 07:40 AM

The tranny jack I bought is meant for use with the car on jack stands. It has a 450lbs. of lifting capacity and can go as low as 8in. off the floor to 21in. off the floor. The reason I bought the puller was b/c I didn't think I could get John to help me ( thought he would be busy, and didn't want to be like Eric.). Hope the chicks that lost thier togas weren't the ones that had them made by Omar the tent maker(hope they weren't fat). Good luck on the tuning and kick some ass in Daytona for me. Hey I sure that some of the other guys from this forum are from there. why don't you ask them to meet you so they can show where it all happens at. Maybe you might be able to get some really good races that way.

banzaitoyota 09-26-2002 09:47 AM

Glad to see it worked out well. John

isamu 09-26-2002 11:49 AM

I did the same thing when I put my pilot bearing in when I did the engine: I didn't put it in far enough. Thanks Phinsup https://www.nopistons.com/forums/pub...IR#>/smile.png for letting me know, I totally thought the tool would work to put it back in. So last week when I did my clutch I installed a new one doing just as Phinsup said, using a socket to tap it in. That pilot bearing tool is awesome, takes about 5 seconds to pull a bearing.


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