disassemble: calipers and alternator?
02-18-10, 09:26 AM
#1
disassemble: calipers and alternator?
so i got a powder coated and im tryign to spruce up my engine bay for dealios... any write ups on how to take apart the brake calipers and the alternator? is it difficult? do i really need to replace all the stuff in the caliper? any specialty tools i might need? pics or how to wrrite ups would be awesomeee
02-18-10, 09:08 PM
#4
Alternator is actually pretty cool. Look at my "prepping my car for my gt35r" thread in single turbo. Pg 3 has a link to a thread about alternator rebuild type stuff from Damian. Getting it back together is initially trickier than disassembly.
I could make a quick vid if u want. My alternator is completely apart now. :-)
I could make a quick vid if u want. My alternator is completely apart now. :-)
02-18-10, 09:16 PM
#5
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Alternator is actually pretty cool. Look at my "prepping my car for my gt35r" thread in single turbo. Pg 3 has a link to a thread about alternator rebuild type stuff from Damian. Getting it back together is initially trickier than disassembly.
I could make a quick vid if u want. My alternator is completely apart now. :-)
I could make a quick vid if u want. My alternator is completely apart now. :-)
on the topic of brake calipers - I don't think its a good idea to totally take apart the brakes-i.e split them in two.
02-18-10, 10:34 PM
#7
okay, that is off the cuff. i think i made an alternator as entertaining as it will ever be. :-D
That was one take. I hope it really helps. I know it has some knowledge i needed to know. I talk about:
- disassembly
- bearings
- reassembly
- taking it apart to polish
http://www.youtube.com/watch?v=2cCWS08QxeI
As every youtube ***** says, please subscribe if u like my videos. :-)
That was one take. I hope it really helps. I know it has some knowledge i needed to know. I talk about:
- disassembly
- bearings
- reassembly
- taking it apart to polish
http://www.youtube.com/watch?v=2cCWS08QxeI
As every youtube ***** says, please subscribe if u like my videos. :-)
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02-19-10, 06:31 AM
#8
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okay, that is off the cuff. i think i made an alternator as entertaining as it will ever be. :-D
That was one take. I hope it really helps. I know it has some knowledge i needed to know. I talk about:
- disassembly
- bearings
- reassembly
- taking it apart to polish
http://www.youtube.com/watch?v=2cCWS08QxeI
As every youtube ***** says, please subscribe if u like my videos. :-)
That was one take. I hope it really helps. I know it has some knowledge i needed to know. I talk about:
- disassembly
- bearings
- reassembly
- taking it apart to polish
http://www.youtube.com/watch?v=2cCWS08QxeI
As every youtube ***** says, please subscribe if u like my videos. :-)
02-19-10, 07:14 AM
#9
*Use an air impact to get the pulley off if you can. Easiest.
*Be really careful flexing the copper winding to access that hidden screw, they're soft up to a pont...but will break.
*A medium to large sewing needle works great at retaining the brushs for re-assembly.
*The two halves of the aluminum housing/casing is press-fit over a lip on the stator. It can be stuck on pretty tight. A plasitc dead-blow hammer is handy for getting it loose, better IMO than prying.
*Be really careful flexing the copper winding to access that hidden screw, they're soft up to a pont...but will break.
*A medium to large sewing needle works great at retaining the brushs for re-assembly.
*The two halves of the aluminum housing/casing is press-fit over a lip on the stator. It can be stuck on pretty tight. A plasitc dead-blow hammer is handy for getting it loose, better IMO than prying.
02-19-10, 08:30 AM
#10
I've completely taken apart my RZ calipers.
Its hard to explain but its not too difficult. I would however buy a new rebuilt kit (from Malloy). All it is is rubber dust shields, o-rings, and spring clamps. Because I was building RZ calipers, I had to buy a kit from Japan. Piston sizes are different from US calipers.
i took them out, cleaned the piston, inspected the piston, and installed it in reverse with new parts. Just make sure if you are powder coating, get it done by someone who knows how, ie not get powder coating inside the piston area and holes where brake lines and nipples are. I recommend Kevin Landers @ Rotary Resurrections. He did some powder coating work for me and did a fantastic job at VERY reasonable cost.
Its hard to explain but its not too difficult. I would however buy a new rebuilt kit (from Malloy). All it is is rubber dust shields, o-rings, and spring clamps. Because I was building RZ calipers, I had to buy a kit from Japan. Piston sizes are different from US calipers.
i took them out, cleaned the piston, inspected the piston, and installed it in reverse with new parts. Just make sure if you are powder coating, get it done by someone who knows how, ie not get powder coating inside the piston area and holes where brake lines and nipples are. I recommend Kevin Landers @ Rotary Resurrections. He did some powder coating work for me and did a fantastic job at VERY reasonable cost.
02-19-10, 10:36 AM
#12
RX-7 Bad Ass
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I would be VERY hesitant to split the calipers. If they don't seal right, you can have CATASTROPHIC brake failure.
You can change the caliper seals and whatnot without splitting the calipers. If you want to have them powdercoated, that's no big deal - the brakes are designed to take temps way over what a powerdercoating oven will apply.
You can also use my trick to paint calipers - Testors model paint. Just get a few bottles from a hobby shop and a brush, clean the calipers really well, and apply it nice and thick. It's enamel so it bakes on really hard, looks great, tons of colors, and if you need to touch it up down the road get another $1 bottle and go for it. I've done this trick for years, really works well. You can also run sandpaper over the raised "Mazda" logo to make it shiny, looks really nice against painted calipers.
Dale
You can change the caliper seals and whatnot without splitting the calipers. If you want to have them powdercoated, that's no big deal - the brakes are designed to take temps way over what a powerdercoating oven will apply.
You can also use my trick to paint calipers - Testors model paint. Just get a few bottles from a hobby shop and a brush, clean the calipers really well, and apply it nice and thick. It's enamel so it bakes on really hard, looks great, tons of colors, and if you need to touch it up down the road get another $1 bottle and go for it. I've done this trick for years, really works well. You can also run sandpaper over the raised "Mazda" logo to make it shiny, looks really nice against painted calipers.
Dale
02-19-10, 05:26 PM
#15
I second the alt being really simple. I did have a time getting it back together but I think if I had to do it again it would be a snap.
Dale, I am now glad to know I am not the only one to have used testors model paint to paint calipers!!! And yes, the testors model paint does work great and it is really cheap.
Dale, I am now glad to know I am not the only one to have used testors model paint to paint calipers!!! And yes, the testors model paint does work great and it is really cheap.
02-20-10, 02:20 AM
#16
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I just got my front calipers powdercoated recently.
(+1 dont separate the caliper halves)
I was gonna paint mine at first but it was a PIA getting the pistons out w/o compressed air so for 100 bucks the shop took the pistons out then powdercoated them.
Then i polished the mazda logo w/a small wire wheel on a drill.
I bought the rebuild kit (more acurately "re-seal" kit) from Malloy Mazda.
I bought a set of front pads too that came with all the shims and retainer springs you'll need.
Really easy and satisfying job.
(+1 dont separate the caliper halves)
I was gonna paint mine at first but it was a PIA getting the pistons out w/o compressed air so for 100 bucks the shop took the pistons out then powdercoated them.
Then i polished the mazda logo w/a small wire wheel on a drill.
I bought the rebuild kit (more acurately "re-seal" kit) from Malloy Mazda.
I bought a set of front pads too that came with all the shims and retainer springs you'll need.
Really easy and satisfying job.
02-20-10, 05:55 PM
#17
I've completely taken apart my RZ calipers.
Its hard to explain but its not too difficult. I would however buy a new rebuilt kit (from Malloy). All it is is rubber dust shields, o-rings, and spring clamps. Because I was building RZ calipers, I had to buy a kit from Japan. Piston sizes are different from US calipers.
i took them out, cleaned the piston, inspected the piston, and installed it in reverse with new parts. Just make sure if you are powder coating, get it done by someone who knows how, ie not get powder coating inside the piston area and holes where brake lines and nipples are. I recommend Kevin Landers @ Rotary Resurrections. He did some powder coating work for me and did a fantastic job at VERY reasonable cost.
Its hard to explain but its not too difficult. I would however buy a new rebuilt kit (from Malloy). All it is is rubber dust shields, o-rings, and spring clamps. Because I was building RZ calipers, I had to buy a kit from Japan. Piston sizes are different from US calipers.
i took them out, cleaned the piston, inspected the piston, and installed it in reverse with new parts. Just make sure if you are powder coating, get it done by someone who knows how, ie not get powder coating inside the piston area and holes where brake lines and nipples are. I recommend Kevin Landers @ Rotary Resurrections. He did some powder coating work for me and did a fantastic job at VERY reasonable cost.
okay, that is off the cuff. i think i made an alternator as entertaining as it will ever be. :-D
That was one take. I hope it really helps. I know it has some knowledge i needed to know. I talk about:
- disassembly
- bearings
- reassembly
- taking it apart to polish
As every youtube ***** says, please subscribe if u like my videos. :-)
That was one take. I hope it really helps. I know it has some knowledge i needed to know. I talk about:
- disassembly
- bearings
- reassembly
- taking it apart to polish
As every youtube ***** says, please subscribe if u like my videos. :-)
I would be VERY hesitant to split the calipers. If they don't seal right, you can have CATASTROPHIC brake failure.
You can change the caliper seals and whatnot without splitting the calipers. If you want to have them powdercoated, that's no big deal - the brakes are designed to take temps way over what a powerdercoating oven will apply.
You can also use my trick to paint calipers - Testors model paint. Just get a few bottles from a hobby shop and a brush, clean the calipers really well, and apply it nice and thick. It's enamel so it bakes on really hard, looks great, tons of colors, and if you need to touch it up down the road get another $1 bottle and go for it. I've done this trick for years, really works well. You can also run sandpaper over the raised "Mazda" logo to make it shiny, looks really nice against painted calipers.
Dale
You can change the caliper seals and whatnot without splitting the calipers. If you want to have them powdercoated, that's no big deal - the brakes are designed to take temps way over what a powerdercoating oven will apply.
You can also use my trick to paint calipers - Testors model paint. Just get a few bottles from a hobby shop and a brush, clean the calipers really well, and apply it nice and thick. It's enamel so it bakes on really hard, looks great, tons of colors, and if you need to touch it up down the road get another $1 bottle and go for it. I've done this trick for years, really works well. You can also run sandpaper over the raised "Mazda" logo to make it shiny, looks really nice against painted calipers.
Dale
thanks for all the help guys!
-benny
02-20-10, 06:25 PM
#18
02-21-10, 01:01 AM
#19
I disassembled the newer one that was polished. piece of cake. my trashed one had more miles and it was subsequently harder to take apart.
Rob
02-22-10, 06:44 PM
#23
This will help you out
https://www.rx7club.com/showthread.p...hlight=caliper
I rebuilt my calipers about 2 months ago. Put a 1/2in block of wood between the calipers and use an air compressor and blow out the pistons. Took me about 25-30minutes to get them all out.
https://www.rx7club.com/showthread.p...hlight=caliper
I rebuilt my calipers about 2 months ago. Put a 1/2in block of wood between the calipers and use an air compressor and blow out the pistons. Took me about 25-30minutes to get them all out.
02-22-10, 07:36 PM
#24
No.
But the exposed part of the stator is easy to clean and a light scuff with a sanding pad. After masking off the lip where the aluminum halves press-fit and I just used a little left over caliper paint I had in a rattle can.
Old picture, but you can kind of see it...
But the exposed part of the stator is easy to clean and a light scuff with a sanding pad. After masking off the lip where the aluminum halves press-fit and I just used a little left over caliper paint I had in a rattle can.
Old picture, but you can kind of see it...
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