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Old 04-08-2016, 08:51 AM   #76
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Originally Posted by sweetbmxrider View Post
How would that move? Throw a strap around it I guess. Mine is tight.
I have no idea, but there is a very definite play in the booster/master combo. If you grab the master cyl on your car it can't move around at all?
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Old 04-08-2016, 08:53 AM   #77
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How did you eliminate the turbo as a cause? I thought the bearings had a bunch of play.
I looked back on pictures I had and noticed the area that I thought was wear, had been there since new. So that cancelled that idea pretty quick. I am still going to measure radial play but in due time.
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Old 04-08-2016, 10:07 AM   #78
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You did mention it made the sound since the 1st build though....
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Old 04-08-2016, 10:10 AM   #79
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You did mention it made the sound since the 1st build though....
Yes, but the wear mark is prior to first start up.
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Old 04-08-2016, 10:17 AM   #80
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I'm not hoping its the turbo but regardless of when the mark showed up, it could be simply squeaking since new. I would just confirm radial play is within tolerance and hopefully its within spec to rule it out.

Did you strap down the engine yet?
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Old 04-08-2016, 10:18 AM   #81
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Negative, need a new battery
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Old 04-08-2016, 10:41 AM   #82
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Your truck has two....
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Old 04-08-2016, 10:46 AM   #83
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Sadly, they are prob on their last summer as well.
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Old 06-24-2016, 02:00 PM   #84
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Bump for more suggestions. Noise persists, video remains valid in first post.
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Old 06-24-2016, 03:27 PM   #85
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Ls swap...
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Old 06-25-2016, 11:36 AM   #86
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PCV valve rattling?
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Old 06-27-2016, 08:48 AM   #87
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PCV valve rattling?
Single plane, so no PCV setup.
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Old 10-21-2019, 10:43 AM   #88
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So drove my car this weekend and once again was reminded of how annoying this noise is.

Any more ideas?
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Old 10-23-2019, 04:54 PM   #89
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Wow, can't believe your still dealing with that noise. How about motor mounts, trans mounts and torque arm mounts. Does it do it in reverse, foot on brake if you blip the throttle?
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Last edited by 3.4 grape of wrath; 10-23-2019 at 06:59 PM.
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Old 10-23-2019, 11:55 PM   #90
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I went back and read for a memory jog, and I know a few years ago you said you're sure it was motor related, but if this has been through multiple iterations of builds and motor swaps with no change, have you considered body panels yet? You 60' pretty decently; things can move. Door hinges, fender bolts, nonsense behind the dash... I could see any of that resonating when angry
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Old 10-24-2019, 07:28 AM   #91
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you ever go around the car with a stethoscope to try to trace where it is coming from?
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Old 10-25-2019, 05:45 PM   #92
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I went back and read for a memory jog, and I know a few years ago you said you're sure it was motor related, but if this has been through multiple iterations of builds and motor swaps with no change, have you considered body panels yet? You 60' pretty decently; things can move. Door hinges, fender bolts, nonsense behind the dash... I could see any of that resonating when angry
The interior is all coming out this winter and I will make sure its all full of sound deadening or foam.

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Wow, can't believe your still dealing with that noise. How about motor mounts, trans mounts and torque arm mounts. Does it do it in reverse, foot on brake if you blip the throttle?
I will check the reverse aspect, its very hard to recreate at idle with throttle blips.

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Originally Posted by ThoR294 View Post
you ever go around the car with a stethoscope to try to trace where it is coming from?
See above, its difficult.
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