ITT we discuss why my brand new 2871R seized
:crx:
20ish autocross runs, about 15 laps at Calspeed (one full session, 3 partial sessions). It started making a little bit of noise for about a lap, and then it stopped making boost completely. I thought I had popped a pipe, but then I heard it squeak a couple of times. Back to Garrett tomorrow. I have an event in 2 weeks. :vash: |
WTF?! That stinks.
First thing that comes to minder is the funky oil drain, but other than that...? |
Holy shit man:eek5:
Turbo miata's everywhere tremble at the mere mention of the name "Savington":giggle: |
Originally Posted by Spookyfish
(Post 443248)
WTF?! That stinks.
First thing that comes to minder is the funky oil drain, but other than that...? |
I know, that's why I doubt it's that. Very curious: get that turbo off, it's only three bolts this time :) Ok, and some oil/water lines.
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Bah. Don't know whether I didn't get them tight enough when I clocked it or whether they backed out on their own, but 5 of the 6 bolts that hold the turbine housing to the CHRA backed out. Turbine cocked to one side, made noise for a while, then finally seized the shaft. The turbo spins free, just like it should, but the housing and turbine wheel are done.
May do Resbond, may do safety wire. :vash: |
Originally Posted by Savington
(Post 443272)
Bah. Don't know whether I didn't get them tight enough when I clocked it or whether they backed out on their own, but 5 of the 6 bolts that hold the turbine housing to the CHRA backed out.
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Nope, I remember cranking down all 12 at the same time. I clocked the CHRA to fit the drain line, snugged a couple, pulled it back out and cranked them all. :(
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Fuck, better get a root cause analysis on this.
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Didn't JayL's brand new Garrett destroy itself as well?
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Sucks Sav, and just when we thought you were done having to mess around with the turbo!
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Originally Posted by Braineack
(Post 443291)
Didn't JayL's brand new Garrett destroy itself as well?
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i still don't see how that made a compressor nut pop off....
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Thought that was ZXTex...
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that's gay as fuck. Time for me to bust out the safety wire on mine.
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They aren't supposed to be horribly tight, 30ftLb's IIRC with blue loctite optional.
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Originally Posted by thymer
(Post 443305)
They aren't supposed to be horribly tight, 30ftLb's IIRC with blue loctite optional.
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Originally Posted by hustler
(Post 443312)
Is this a poor attempt at humor? Please clarify so I can belittle you on the internet. I'd hate to mistakenly harass anyone.
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Originally Posted by thymer
(Post 443314)
When I was clocking my 3071 I couldn't find a torque spec so I email Garrett tech support. I was surprised at the low value but maybe it's just for the compressor side as it is aluminum. I can't find the email now so maybe my memory is failing but it was low.
btw, 30lb/t is a shit-ton for that little bolt. |
That really sucks! Sorry to hear....
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