01-04-2021, 05:02 PM | #1 |
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Front bushing leaking ?
Both my lower front bushings look like they're leaking. Can they even leak? This is the only 2 areas that show a sign of a leak. Its all dry so has not happened recently. mileage is 18K and only 50 track days with the last year on g3R tires
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Last edited by carguy55; 01-06-2021 at 04:12 PM. Reason: updated |
01-04-2021, 10:30 PM | #2 |
Drives: 2017 1SS 1LE Join Date: Jun 2016
Location: Detroit, MI
Posts: 1,001
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Possibly? There are hydraulic bushings in existence but I didn't think the 1LE used them. Could be wrong there though. Also curious how it got on parts above the bushing if that's where it came from.
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2017 SS 1LE.
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01-05-2021, 10:16 AM | #3 |
Drives: 1LEs Join Date: May 2009
Location: DFW - Texas
Posts: 1,319
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Front FE4 link bushings are hydraulic - that's what is leaking. Just replace the links with the FEA (ZL1 1LE) ones that are not hydraulic and were meant for the G3R's you are using. PN's 84051643 (L), '44 (R).
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01-05-2021, 02:13 PM | #4 |
Drives: 2018 Camaro SS 1LE Join Date: Jul 2018
Location: Stuttgart, Germany
Posts: 807
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Interesting...
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01-05-2021, 07:03 PM | #5 |
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Thanks
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01-06-2021, 09:41 AM | #6 |
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Don't forget to get new bolts which the service manual says are TTY. Interesting that the FEA arms are $30 less than the FE4
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01-06-2021, 11:27 AM | #7 | |
Drives: 2017 SS 1LE, 2016 1SS (previous) Join Date: Apr 2016
Location: Metro-Detroit
Posts: 1,863
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Quote:
I've been wondering why the FE3 bushing was so different (and more expensive) than the FE2/FE3/FEA bushing... The only reason I can think of why GM would do this would be related to NVH, but why and why on the ZL1 and SS 1LE? My thinking is that it must be related to something with the MRC struts: Maybe them being structurally stiffer, accompanied by the spherical-jointed lateral link, required something a bit softer to go on somewhere... Anyway, thanks for posting up! |
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01-06-2021, 12:09 PM | #8 | |
Drives: 1LEs Join Date: May 2009
Location: DFW - Texas
Posts: 1,319
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Quote:
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01-06-2021, 04:15 PM | #9 |
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The other choice was the SPL arms for only $700 lol
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01-08-2021, 12:53 PM | #10 |
Drives: Blue ss 1le 18 Join Date: Apr 2018
Location: NoCal
Posts: 67
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My guess is the 20inch wheels from the SS 1Le and ZL1 are heavier than other variants and generate shake / vibrations when they are exited at their modal frequencies (12 to 20Hz), hence the hydros to damp it. Wheels and tires are the heaviest mass components of our suspension.
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01-14-2021, 07:06 PM | #11 |
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Finally got the new FEA links. $30 each cheaper than the FE4
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Last edited by carguy55; 01-15-2021 at 06:43 AM. |
01-15-2021, 06:08 AM | #12 |
Drives: Camaro 1ss Join Date: Nov 2019
Location: Wisconsin
Posts: 495
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Wonder if it would be worth it to have a place like kingpin machine put a spherical bearing in our stock control arms... It's gotta be cheaper than what SPL is charging for their LCA.
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01-15-2021, 02:54 PM | #13 |
Drives: 2017 SS 1LE, 2016 1SS (previous) Join Date: Apr 2016
Location: Metro-Detroit
Posts: 1,863
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BMR has a replacement spherical option - they aren't "cheap" but also not outrageously priced. The P&M GT4.R runs sphericals, as well, and you can buy those arms, but they are $$.
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01-16-2021, 08:52 AM | #14 |
Drives: Camaro 1ss Join Date: Nov 2019
Location: Wisconsin
Posts: 495
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Thanks for that info 180$ isn't a bad deal at all. Might jump on these
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