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Old 03-05-2012, 01:27 AM #1
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2006 Mazda 6 Rod Knock? Need PBN Mechanic Expertise

So a few weeks ago I noticed my Mazda 6 had a slight ticking noise when I hit 3,500-4k RPMs. I ONLY hear it when the Rpms are high. It has since gotten a bit more noticeable. I took it to a guy that does mechanic work for me, and he said it sounded like a rod knock and that I would need a new motor entirely. It only has 95,000 miles, however it is a 4 cylinder.

Has anyone else had this issue with their Mazda? I've read numerous places where people are having the same issue. Is there anyway I could temporarily fix the issue for a while?

Excuse my lack of car knowledge. I can provide any information you need to help diagnose the issue, and I'll try and get a video up tomorrow so you can better hear the knock.
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Old 03-05-2012, 01:39 AM #2
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The ONLY way to fix it completely is to replace the motor.
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Old 03-05-2012, 01:39 AM #3
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you most certainly can get some more life out of the motor. The windex mod will definitely help it run for much longer, it may even stop the knocking entirely.
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Old 03-05-2012, 01:47 AM #4
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Quote:
Originally Posted by yuik View Post
you most certainly can get some more life out of the motor. The windex mod will definitely help it run for much longer, it may even stop the knocking entirely.
AFAIK the windex mod only helps knocking at lower rpms.
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Old 03-05-2012, 01:49 AM #5
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Quote:
Originally Posted by browndogmike View Post
AFAIK the windex mod only helps knocking at lower rpms.
what about if you add wd40 in there like claw hammer suggested, i think that would help the centrifugal forces at the higher rpms no?
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Old 03-05-2012, 01:54 AM #6
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Makes sense, it should get the water out which causes the knocks.
I should try it on my truck. I just spray the windex down the spark plug holes right? Then follow with a generous squirt of wd40?
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Old 03-05-2012, 02:11 AM #7
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Quote:
Originally Posted by browndogmike View Post
Makes sense, it should get the water out which causes the knocks.
I should try it on my truck. I just spray the windex down the spark plug holes right? Then follow with a generous squirt of wd40?
yep thats the protocol. some though just take off their air intake and pour the windex in there, then put the air intake back on and spray that with wd40.


either one will get the job done
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Old 03-05-2012, 06:36 AM #8
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Take a video of it. It can be a lot of different things and I know how much throwing a rod sucks, so I'm gonna try to give some serious advice.
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Old 03-05-2012, 08:11 AM #9
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Quote:
Originally Posted by yuik View Post
you most certainly can get some more life out of the motor. The windex mod will definitely help it run for much longer, it may even stop the knocking entirely.
Quote:
Originally Posted by browndogmike View Post
AFAIK the windex mod only helps knocking at lower rpms.
Quote:
Originally Posted by yuik View Post
what about if you add wd40 in there like claw hammer suggested, i think that would help the centrifugal forces at the higher rpms no?
Quote:
Originally Posted by browndogmike View Post
Makes sense, it should get the water out which causes the knocks.
I should try it on my truck. I just spray the windex down the spark plug holes right? Then follow with a generous squirt of wd40?
Quote:
Originally Posted by yuik View Post
yep thats the protocol. some though just take off their air intake and pour the windex in there, then put the air intake back on and spray that with wd40.


either one will get the job done
you idiots are ruining ST:A
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Old 03-05-2012, 08:47 AM #10
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Quote:
Originally Posted by ReiAyanami
Take a video of it. It can be a lot of different things and I know how much throwing a rod sucks, so I'm gonna try to give some serious advice.
Thanks man. We just got like a foot of snow so idk if I'll be getting it up today or not but definitely soon. Thanks for the only serious post too
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Old 03-05-2012, 12:33 PM #11
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you idiots are ruining ST:A
Glad to help!
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Old 03-05-2012, 12:34 PM #12
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you idiots are ruining ST:A
"Thou shalt not troll someone looking for honest advice"
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Old 03-05-2012, 12:40 PM #13
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"Thou shalt not troll someone looking for honest advice"
Isn't that what the tech thread is for?
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Old 03-05-2012, 12:49 PM #14
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Did you buy the car new or used?
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Old 03-05-2012, 12:52 PM #15
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you idiots are ruining ST:A
At your service !
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Old 03-05-2012, 12:56 PM #16
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Quote:
Originally Posted by DrobertsPB
Did you buy the car new or used?
Used at 45k so I've only put 50,000 on it. Already had to replace the clutch and now this. I bought it from a large dealership, I'm hoping someone knows how I can "mask" the knocking so I could possibly sell it back to the bastards and then it will be their problem in a month or two when the temporary fix wears off.
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Old 03-05-2012, 01:00 PM #17
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If its a rod knock there isn't really a temporary fix.


Do you know if the previous owners took care of maintence on time and everything? I thought 95k for a mazda 6 wouldn't be much, i've heard they are pretty reliable cars
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Old 03-05-2012, 01:05 PM #18
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You guys are kind of dicks.

Make sure it's rod knock and not lifter tick.

If it's rod knock, something deep in your motor is pretty much screwed and it's basically a ticking timebomb.

If it's tick, it might just be a valve needing adjustment or that you don't have enough oil in your motor.
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Old 03-05-2012, 01:06 PM #19
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Originally Posted by DrobertsPB View Post
If its a rod knock there isn't really a temporary fix.


Do you know if the previous owners took care of maintence on time and everything? I thought 95k for a mazda 6 wouldn't be much, i've heard they are pretty reliable cars
I would more so be asking if you have taken care of all maintenance on time and everything? You're complaining about replacing a clutch which is a normal wear and tear item for a car, which makes me think you would try to take shortcuts in car maintenance as well.

Also if you have had it for the last 50k out of 95k I would hardly be blaming it on the previous owner, but much more on you.

But besides that, like others have said there isn't any way to really cover it up, and plus doing that and then selling it back to the dealership to try to screw them over is a huge scumbag move.


Quote:
Originally Posted by Supra_MKIII View Post
You guys are kind of dicks.

Make sure it's rod knock and not lifter tick.

If it's rod knock, something deep in your motor is pretty much screwed and it's basically a ticking timebomb.

If it's tick, it might just be a valve needing adjustment or that you don't have enough oil in your motor.
Also this, I would say bring it to an actual shop and just have them look at it to see what it needs done, it could be something minor.

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Old 03-05-2012, 01:09 PM #20
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Its sta, I assume everyone takes perfect care of their cars
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Old 03-05-2012, 01:14 PM #21
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Also this, I would say bring it to an actual shop and just have them look at it to see what it needs done, it could be something minor.
.

A second educated opinion doesn't hurt.
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