Galloping Chatter comes and goes??? - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 5 (permalink) Old 03-23-2010, 05:20 AM Thread Starter
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Galloping Chatter comes and goes???

At cold start, engine seems to gallop to life, then smooths out. Also, there's a loud chatter like sound and vibration, that just comes and goes at idle and in neutral. the chatter goes away immediately when I press the throttle. When I get off the throttle, sometimes the chatter returns, sometimes it doesn't. Other than that, runs great! No codes. Any ideas what's causing this? Is it a serious problem, or gonna get worse?
'95 F-350 DRW Crewcab with 5 speed manual. 240k miles. K&N intake tube, Hypertec performance towing tune, and hollowed out cat.
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post #2 of 5 (permalink) Old 03-23-2010, 06:16 AM
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Re: Galloping Chatter comes and goes???

Your romping idle is most likely cause by thick oil. Pretty normal, but switching to synthetic oil will cure it.

I had a vibration that came and went at idle, turned out to be the Goodyear Gator belt that I had on there. I pissed me off because I could only hear it from inside the cab, I would run out and listen under the hood and it would disappear.

Switched to the Napa belt and all was well.
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post #3 of 5 (permalink) Old 03-23-2010, 06:26 AM
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Re: Galloping Chatter comes and goes???

Ditto on the oil... you can find this symptom named as "The Romps" or "Cali Cackle" Folks on here helped me with the same issue.... Change the oil(brands or to syn) and a plug nickle says it goes away.


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post #4 of 5 (permalink) Old 03-23-2010, 11:47 PM
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Re: Galloping Chatter comes and goes???

Might be your dual mass flywheel too thats what it sounds like to me if it is still stock. You can tell for sure by pulling off the inspection plate on bottom of bell housing and rotating each respective flywheel in opposite directions if you get much play at all might be time for new clutch and flywheel assemblies...

Mine ('96) used to shutter when rolling to a stop if I pushed the clutch in it would romp pretty good and got progressively worse until I put a LUk clutch and single mass fly wheel in...

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post #5 of 5 (permalink) Old 03-24-2010, 01:07 AM Thread Starter
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Re: Galloping Chatter comes and goes???

Ok Clutch and flywheel have been replaced by Ford way back around 120,000 miles, and again at 186,000 miles. Last time the Ford mechanic told me that the original "split" flywheel was just a poor design on Ford's part, and told me the new one was an updated version. But I do know most of the time those guys are feeding you a line of B.S. I do run synthetic, Mobile1. And I also add 1 quart of Lucas synthetic oil stabilizer. I change the filter every 5000 miles, and oil and filter every 10000. Sounds like maybe this time I should skip the Lucas. Thanks everybody!
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