 Rear suspension knock., Searching wasn't helpful. |
 Jul 1, 2012 - 2:54 PM
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 Moderator  Joined Jun 29, '08 From Denver Currently Offline Reputation: 59 (100%)  |
I recently installed TRD coilovers on the Celica to replace the aged stock suspension. The struts weren't totally blown but they weren't great and the springs had to have helper blocks in them, but they were quiet. After lowering, we found that the rear started knocking quite badly. Based on recent threads, I replaced the rear sway bushings with 16 mm with Energy Suspension bushings and the end links with Racing Beat Miata end links. While this cut the knocking down by half, there is still a persistent knock. It only happens at low speeds and seems to be from the right side more than the left, but it isn't strictly on one side or the other. All nuts and bolts have been checked and are confirmed to be tight.
When I searched, the only potential suspects I can find are trailing or control arms or the exhaust hitting the car. I don't believe it's the exhaust since it only happens at low speeds and I've followed the Celica and the exhaust seems stationary. So what are the odds that I need new rear bushings and it didn't become apparent until I was lowered? Anything else I should check? Any help or advice is greatly appreciated. By the way, I'm intending to replace my rear bushings anyway, I just haven't done it yet. Procrastination is terrible. -------------------- "Employ your time in improving yourself by other men's writings, so that you shall gain easily what others labored hard for." -Socrates. Even Socrates told us to use the search button!
 2006 Aston Martin V8 Vantage. 1998 Celica GT- BEAMS Swapped. 2022 4Runner TRD Off Road Prenium. 2021 GMC Sierra AT4. |
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Jul 13, 2012 - 2:55 PM
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Moderator Joined Jun 29, '08 From Denver Currently Offline Reputation: 59 (100%) |
bloodMoney has a set of rear suspension bushings that I was talking to him about recently. He started to replace his and told me what a nightmare it was going to be, so I've been putting off getting a set of the poly bushings. Don't fix it if it isn't broken, after all. I figure I'll get those replaced now that something might actually be broken and if I still have knocking afterwards, I will bravely turn the radio louder and pretend nothing is wrong.
Unfortunately, I have no air tools and only a 2 foot cheater pipe to put on my 1/2" drive ratchet, so I don't think I can feasibly do this myself. I'll have to find a shop willing to do the work and pay outrageous fees for it. I'm only having this taken apart once, so I intend to replace my fuel tank straps, filler neck, and bushings all at once. Anything else I should replace while its apart? -------------------- "Employ your time in improving yourself by other men's writings, so that you shall gain easily what others labored hard for." -Socrates. Even Socrates told us to use the search button!
2006 Aston Martin V8 Vantage. 1998 Celica GT- BEAMS Swapped. 2022 4Runner TRD Off Road Prenium. 2021 GMC Sierra AT4. |
Posts in this topic
richee3 Rear suspension knock. Jul 1, 2012 - 2:54 PM
lagos It could be caused by your upper strut mounts. Whe... Jul 1, 2012 - 3:00 PM richee3 Thanks Art! I'll check into it. I just tho... Jul 1, 2012 - 5:25 PM trdproven retorque all nuts/bolts, check your sway bar bushi... Jul 1, 2012 - 5:28 PM richee3 So far, no luck. I haven't been able to replic... Jul 10, 2012 - 12:31 PM trdproven are the bump stops gone or are you bottoming out a... Jul 10, 2012 - 8:32 PM
richee3 QUOTE (trdproven @ Jul 10, 2012 - 8... Jul 10, 2012 - 9:06 PM trdproven did you remove the coilovers or just adjusted it? ... Jul 10, 2012 - 10:33 PM RabidTRD Ok if you figure this out, I really need to know. ... Jul 11, 2012 - 2:12 AM Galcobar Symptoms sound quite familiar.
Worn-out bushing i... Jul 11, 2012 - 4:43 AM richee3 ^^ Thanks! I'll have to test that next wee... Jul 11, 2012 - 10:51 AM trdproven seen that diagram to replace those bushings and ar... Jul 11, 2012 - 5:57 PM azian_advanced that's the diagram i made a while back. i not... Jul 11, 2012 - 8:22 PM richee3 QUOTE (azian_advanced @ Jul 11, 2012 - 8... Jul 11, 2012 - 8:46 PM Galcobar The problem's actually fairly common. It spark... Jul 11, 2012 - 11:32 PM richee3 Thanks guys. I've got some stuff to test for s... Jul 12, 2012 - 3:04 PM jordisonjr ^ Yea those bolts also look like a royal pain to g... Jul 12, 2012 - 4:04 PM jordisonjr If you're dropping the gas tank, and are looki... Jul 13, 2012 - 3:21 PM azian_advanced i got somebody else to remove the one bushing on t... Jul 13, 2012 - 5:04 PM richee3 QUOTE (jordisonjr @ Jul 13, 2012 - 3... Jul 13, 2012 - 5:49 PM trdproven the one I am trying to get over, which is for many... Jul 14, 2012 - 7:03 AM Galcobar If the pop is due to the arm binding, there are tw... Jul 14, 2012 - 1:32 PM trdproven makes sense, would the bind be more likely due to ... Jul 14, 2012 - 5:54 PM Galcobar The suspension arm would bind because the bushing ... Jul 15, 2012 - 4:35 PM trdproven i might have to get to this point one day, cus i k... Jul 15, 2012 - 11:08 PM richee3 Little update, I've got the bushings now, so I... Jul 26, 2012 - 3:25 PM Syaoran Having a similar issue:
Low speed bumps causes a ... Aug 24, 2012 - 5:18 PM jordisonjr Is it only when you hit bumps unevenly? And no noi... Aug 25, 2012 - 12:21 AM Syaoran QUOTE (jordisonjr @ Aug 25, 2012 - 1... Aug 25, 2012 - 10:22 AM richee3 Syaoran, that sounds like sway bar bushings to me.... Aug 25, 2012 - 2:08 PM Syaoran QUOTE (richee3 @ Aug 25, 2012 - 3:08... Aug 25, 2012 - 2:47 PM 955SFE Did OP ever find the solution?
I am having almost... Apr 20, 2013 - 6:32 PM richee3 QUOTE (955SFE @ Apr 20, 2013 - 6:32 ... Apr 20, 2013 - 7:34 PM travisxcore Check your caliper pins. When they dry out they te... Apr 20, 2013 - 6:50 PM 955SFE QUOTE (travisxcore @ Apr 20, 2013 - 7... Apr 21, 2013 - 6:25 PM |
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