"Mystery piece" turbo help!!
07-10-2014, 12:47 AM
#1
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"Mystery piece" turbo help!!
First and foremost, my sincerest apologies if this is not posted in the correct area, has already been answered, or I've made any other nooby mistakes. I'm new to the forum and really need help with this but I can't seem to find the answer anywhere.
Now that that's out of the way, let me explain the problem. I picked up a t25 from a guy on CL for cheap, planning to rebuild it. Okay, great. So I buy a Turbo rebuild kit and begin disassembling the whole thing. Everything is going fantastically (as far as a t25 rebuild can, if you've worked on one you know what I mean). I get the whole thing taken apart and cleaned and ready for reassembly, but during reassembly I ended up warping the one piece that does not come with the kit, and that every rebuild guide says to be extra careful with. Of course, just my luck. Anyways I have no idea what the piece is even called. But it locks onto the shaft when you push it back into the center assembly. Does anyone know where I can buy this or what its called? Its the one part hanging this whole rebuild up from being finished.
Now that that's out of the way, let me explain the problem. I picked up a t25 from a guy on CL for cheap, planning to rebuild it. Okay, great. So I buy a Turbo rebuild kit and begin disassembling the whole thing. Everything is going fantastically (as far as a t25 rebuild can, if you've worked on one you know what I mean). I get the whole thing taken apart and cleaned and ready for reassembly, but during reassembly I ended up warping the one piece that does not come with the kit, and that every rebuild guide says to be extra careful with. Of course, just my luck. Anyways I have no idea what the piece is even called. But it locks onto the shaft when you push it back into the center assembly. Does anyone know where I can buy this or what its called? Its the one part hanging this whole rebuild up from being finished.
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07-10-2014, 01:00 AM
#2
Slowest Progress Ever
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I know the piece you're talking about. It doesn't go back in unless you sort of untangle it. Pretend it's a slinky and sort of pull it apart with slight force. Don't yank the thing until it's straight, just pull it apart slightly. Then with a small flat bladed screw driver, press one end down into the grove it seats in. Hold it there and take another screw driver and work the rest of it in there until it seats. Then report back and tell me you need my mailing address so you can ship me a bomber of Southern Tier Pumking 2012.
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07-10-2014, 01:00 AM
#3
Cpt. Slow
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Have you been following this write-up?
https://www.miataturbo.net/diy-turbo...write-up-5164/
It's what I used and works great. No idea if it'll help you. I think that's a lock clip, and once it's in it's groove, I'd trust it to hold unless you really mis-shaped it.
https://www.miataturbo.net/diy-turbo...write-up-5164/
It's what I used and works great. No idea if it'll help you. I think that's a lock clip, and once it's in it's groove, I'd trust it to hold unless you really mis-shaped it.
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07-10-2014, 01:05 AM
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Sorry if I was unclear, but I completely ruined this ring. These pictures were from disassembly because I just had a feeling I'd break it and need to get a new one. And guess what...I was right.
The ring is basically an oval now and I can't bend it back.
The ring is basically an oval now and I can't bend it back.
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07-10-2014, 01:10 AM
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Melbourne Florida. If you did, I'd take every one you've got. I have another t25 I'm looking to rebuild and I'd like to have the assurance that I could have a spare handy if I need it.
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07-10-2014, 01:16 AM
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I just checked my stash...sorry bro, but I don't have it. I can't for the life of me think of what that part is called. G-Pop Shop
Try them tomorrow morning, email them a photo of the part, they will know exactly what you are talking about and they might be of help to you.
It's not a snap ring. It's called a spring clip or something like that.
Try them tomorrow morning, email them a photo of the part, they will know exactly what you are talking about and they might be of help to you.
It's not a snap ring. It's called a spring clip or something like that.
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07-10-2014, 01:43 AM
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I just checked my stash...sorry bro, but I don't have it. I can't for the life of me think of what that part is called. G-Pop Shop
Try them tomorrow morning, email them a photo of the part, they will know exactly what you are talking about and they might be of help to you.
It's not a snap ring. It's called a spring clip or something like that.
Try them tomorrow morning, email them a photo of the part, they will know exactly what you are talking about and they might be of help to you.
It's not a snap ring. It's called a spring clip or something like that.
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07-10-2014, 09:12 AM
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Retired Mech Design Engr
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Kit should have come with new ones (at least my G-Pop kit for TD04 did). Possibly the kit has an internal clip ring that can be substituted. If you do get a replacement spirol ring we found the easy way to assemble it:
1) Rotate the ring so that its axis is tangent (90*) to the axis of the bore of the CHRA.
2) Push it into the bore using a pic, pressing on the inner-most arc of the ring.
3) The ring will naturally be squeezed into a smaller diameter and will slide into the bore.
4) When the ring is positioned close to the groove, use the pic to rotate the axis of the ring to be concentric with the axis of the bore.
5) Use the pic to move the ring into the groove.
Usually, the inclination is to try to put the ring in with the axes alligned, which is much more difficult.
Like This:
1) Rotate the ring so that its axis is tangent (90*) to the axis of the bore of the CHRA.
2) Push it into the bore using a pic, pressing on the inner-most arc of the ring.
3) The ring will naturally be squeezed into a smaller diameter and will slide into the bore.
4) When the ring is positioned close to the groove, use the pic to rotate the axis of the ring to be concentric with the axis of the bore.
5) Use the pic to move the ring into the groove.
Usually, the inclination is to try to put the ring in with the axes alligned, which is much more difficult.
Like This:
Last edited by DNMakinson; 07-10-2014 at 09:13 AM. Reason: Spelling Correction
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07-10-2014, 01:31 PM
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Kit should have come with new ones (at least my G-Pop kit for TD04 did). Possibly the kit has an internal clip ring that can be substituted. If you do get a replacement spirol ring we found the easy way to assemble it:
1) Rotate the ring so that its axis is tangent (90*) to the axis of the bore of the CHRA.
2) Push it into the bore using a pic, pressing on the inner-most arc of the ring.
3) The ring will naturally be squeezed into a smaller diameter and will slide into the bore.
4) When the ring is positioned close to the groove, use the pic to rotate the axis of the ring to be concentric with the axis of the bore.
5) Use the pic to move the ring into the groove.
Usually, the inclination is to try to put the ring in with the axes alligned, which is much more difficult.
Like This:
1) Rotate the ring so that its axis is tangent (90*) to the axis of the bore of the CHRA.
2) Push it into the bore using a pic, pressing on the inner-most arc of the ring.
3) The ring will naturally be squeezed into a smaller diameter and will slide into the bore.
4) When the ring is positioned close to the groove, use the pic to rotate the axis of the ring to be concentric with the axis of the bore.
5) Use the pic to move the ring into the groove.
Usually, the inclination is to try to put the ring in with the axes alligned, which is much more difficult.
Like This:
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