Gear Rollover
I've noticed that If I bump up the idle using the pedal to around 700rpm or so, that most of the roll over noise goes away. Is there anyway to set this permanent? I have a PHP chip which I suppose I could send it away for reburn, but I'm just wondering if there is any other way.
Thanks. |
What is gear rollover? Is it a trannynoise? Do you have an auto or manual?
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ZF5 in the signature is 5spd manual.
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You could but which one is more annoying the gear rollover or the engine at 1300 rpm?
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Originally Posted by bulla
(Post 11618588)
What is gear rollover? Is it a trannynoise? Do you have an auto or manual?
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Not 1300.... Around 700 or 750 the noise goes away..... Just an idea
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It will eventually go away.
I have none at idle, it used to be ear defining. |
Oh ok. Its doable.
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How long has it been sines the DMF swap, and how many miles have you put on it sense? When I did my swap to SMF I was pretty shocked at how bad the roll over gear noise was and I was thoroughly expecting some roll over, it's pretty much gone now but it's been about 3000 mi. it started getting better after just a few hundred miles. I think mine may improve with a fluid change, and many on here have seen improvements by adding an extra quart of fluid.
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A tuner should be able to tweak the idle but which one would you rather have the noise are a truck that idles high? Cause it bugs me when mine doesn't idle right and u dint know how good that would be for the engine cause that would ve like shutting it down while you have it reved up
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Originally Posted by fordpride
(Post 11618871)
Gear rollover is a tranny noise that you get after you chafe from a DMF to a SMF
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I think bts sets the idle up on manuals just cause. At least he did on my buds '99 super duty. It's def noticeable to the ear, but actualy seems to help. His milage went up so the higher idle doesn't seem to hurt that. And it's only up 50-100 rpm's.
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Originally Posted by Ford4Life7.3
(Post 11622434)
So do you only have gear roll over when you have a SMF? Because if so, i guess i have one!
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Originally Posted by Talyn
(Post 11623931)
Bad DMF can make some cranky noise, don't assume, be sure to check!
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There will visably be 2 flywheels with a DMF, it looks funny and is thicker than an SMF.
if you have parts or ball bearing fall out in the inspection cover, you definitely have a DMF. |
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