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2012 Civic SI with Knock Noise
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dan_civic
New User
Feb 19, 2023, 11:16 PM
Post #1 of 8
(2614 views)
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2012 Civic SI with Knock Noise
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Hello, I have a 2012 Honda Civic SI with a 2.4L engines and 100300 miles. I bought it last summer, but the brakes were a bit squeaky. I took it into the shop and they stated that the squeak was due to a lack of lubricant but it wasn't a problem. However, after they inspected the brakes they recommended that I replace the rear brakes due to wear and tear. So they replaced the calipers, brake pads, and rotors. They also lubricated everything. Three months later, the driver's side rear wheel caliper started sticking, causing the brakes to smoke after driving too far. They replaced the caliper, free of charge. Two months later, the same issue happened on the same wheel. This time they replaced the driver side rear brake hose. That was a few weeks ago. Since they replaced the brake hose, there has been a single knock/thunk noise coming from the rear wheel area. It happens when I release the brakes, and start rolling around 1-3 mph. Sometimes it thunks when I stop. It's always a single thunk, as if something is popping into/out of position. I took it in and they looked it over saying they couldn't find anything wrong with it. What could it be? How do I diagnose it?
Also just today the brakes seemed sticky, car felt like it was dragging, and I could smell the burning brake smell when I got home, but no smoke. Three of four tires were radiating heat, only one that wasn't was the front passenger side. Could there be some underlying problem with the brakes not releasing completely or the e-brake being too tight? Thank you.
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Hammer Time
Ultimate Carjunky
/ Moderator
Feb 20, 2023, 5:00 AM
Post #2 of 8
(2598 views)
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Re: 2012 Civic SI with Knock Noise
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You should bring it back to the shop that did the work in the first place so they can check their work. They could have left something loose which can be very dangerous.
Don't give them any more money. I don't understand why they changed the calipers in the first place. There doesn't appear to have been any justification for doing that. The pads and rotors I would agree with if they were due.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Feb 20, 2023, 5:05 AM
Post #3 of 8
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Re: 2012 Civic SI with Knock Noise
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What do you want to do Dan? There's tons more than was replaced, you are right to suspect e-brake but saw smoke once? That's maybe ok right away some film on friction parts near instantly burns off.
There are brackets that will fool that it's a caliper, hoses that work as a check valve and lots more.
They re-replaced a new/rebuilt caliper early 2 with same issue isn't likely.
Do you want to go back to that shop or start over again with another?
With now 3 wheels (you felt or suspected??) involved could suggest an oil was introduced where brake fluid goes means wild issues virtually all rubber parts are suspect that touches an oil vs brake specific fluid!
That's disastrous need to rule that out some will show a bloated rubber that seals where you add fluid??
This needs in person checking I can't stop the web to say all possible reasons they will hear you and check as described expect a nasty answer how or what went wrong. Odd it waited too long?
Hope for the best you didn't DIY it but should be able to check where you add for contamination = hope not,
Tom
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dan_civic
New User
Feb 20, 2023, 10:14 AM
Post #4 of 8
(2580 views)
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Re: 2012 Civic SI with Knock Noise
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Thank you for the advice. I'll take it back to the same shop this week. If they can't figure out the problem, then I'll go somewhere else.
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Hammer Time
Ultimate Carjunky
/ Moderator
Feb 20, 2023, 10:21 AM
Post #5 of 8
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Re: 2012 Civic SI with Knock Noise
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Try to watch what they are doing. If they find something they caused they may try to hide that fact and blame something else.
My concern is that they left some caliper bolds loose and the caliper is moving around.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
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Feb 20, 2023, 11:26 AM
Post #6 of 8
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Re: 2012 Civic SI with Knock Noise
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Re: Loose? Doubt that just guessing. I've had more than one axle set of pads had to grind off burrs how they were stamp cut so sticky those don't even go it once without fixing NEW parts!
Let us know what they find it's all over the place of what it could be. Yes I'd be a curious customer what it is/was so please hit back with what's found + if a hassle,
Tom
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Hammer Time
Ultimate Carjunky
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Feb 20, 2023, 11:29 AM
Post #7 of 8
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Re: 2012 Civic SI with Knock Noise
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Yes loose. I've seen it numerous times.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
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Feb 20, 2023, 11:46 AM
Post #8 of 8
(2564 views)
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Re: 2012 Civic SI with Knock Noise
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I start tricky pins by hand would rattle (IDK never left one loose) like all get out I would think if also enough to smoke a wheel?? Just can't say for sure, Tom
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