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#1
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engine / trans VIBRATION
Ok, first i will explain what i have done to try and track it down so far.
1. pulled each fuel injector individually to check for a miss. Engine is not missing. 2. replaced a bad trans mount with a Urethane filled mount from YT. -----obviously made the vibration much worse being that it wasnt the sole cause nor the solution lol. But its been overdue. 3. changed all of the spark plugs with NGK Iridiums. 4. visually inspected all 6 coil pack. No tears, rips, etc anywhere. Road tested to track down conditions - driving at highway speed even throttle it isn't super noticeable -idle is fairly smooth and around 600-650 rpms -heavy acceleration the vibration is more severe and becomes a droaning noise in the higher RPM's (4k + ) -in park and neutral the vibration is present when revved out of idle. most niticeable around 1.5-2.5k RPMs, but still present 2.5k+ RPMs. Would like to add that the trans has about 65k miles on it. I have installed an ext filter and a cooler in series with the transmission. ATF recently (about 5k miles ago) changed out. Had front diff fluid inspected (looked good). The trans fluid looks good and smells good (not that i like the smell of hydraulic fluid). The flexplate has been suggested so far, but I have no real info on anything specific. Thanks in advance! _Mike
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1992 Liquid Silver/Black LSL LeveL10 Stage 3 Trans and associated stuff Last edited by SuberNatural; 04-15-2009 at 05:46 PM. |
#2
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Re: engine / trans VIBRATION
Anyone have anything on this?
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1992 Liquid Silver/Black LSL LeveL10 Stage 3 Trans and associated stuff |
#3
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Re: engine / trans VIBRATION
Engine mounts?
I was thinking driveshaft U-Joint but you said it vibrates even in park.
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-Jason (8/23/07-Present) 1995 Subaru SVX LSi (197k) Polo Green (#1102) 03/95 Mods: DDM Tuning 4500k 35w Low Beam HID, 100w H3 Bulbs, Extra Ground Cables, 15 minute $12.96 mod, svxfiles designed transmission mount (), sporting a "new" tail light bar, silver BBS rims, custom power steering cooler (one that doesn't dump ATF constantly), new negative lead cable, no more third or fourth gear (1977-Present) 1977 Chevrolet Corvette (81k) Silver (12/01/2011-Present) 2005 Subaru Outback 2.5i Limited 5MT (97k) I have a bad feeling about this. -Obi Wan Kenobi |
#4
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Re: engine / trans VIBRATION
you running 85 fuel?
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#5
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Re: engine / trans VIBRATION
any recent exhaust system work?
-Bill
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Retired NASA Rocket Scientist Most famous NASA "Child" - OSIRIS-REx delivered samples from asteroid BENNU to Earth in Sept. 2023 Center Network Member #989 '92 Fully caged, 5 speed, waiting for its fully built EG33 '92 "Test Mule", 4:44 Auto, JDM 4:44 Rear Diff with Mech LSD, Tuned headers, Full one-off suspension '92(?) Laguna, 6 spd and other stuff (still at OT's place) My Locker |
#6
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Re: engine / trans VIBRATION
Any codes?
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