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-   -   Normal for 4.7 gears to whine when new??? (http://www.risingsun4x4club.org/forum2/showthread.php?t=13602)

RockRunner 07-22-2010 08:02 PM

Normal for 4.7 gears to whine when new???
 
As the title says. NEw gears in there and they wine. Randy did yours wine???:confused:

J Kimmel 07-22-2010 08:43 PM

are you talking high range or low? running around fire roads in low or low low it whines a bit. on the highway, etc in high range, no.

I had a CJ-7 once with a dana 18 in it and as it turned out the output gear was a cheap charlie from China, and it whined the entire time I had it, and eventually ate the gears. when I pulled everything you could see the horrific wear pattern on that gear :(

have you called Marlin? could be new bearings just breaking in, tight tolerances.

DaveInDenver 07-22-2010 08:52 PM

My Marlin 4.7 gears had more whine than stock in low range.

Red_Chili 07-23-2010 07:51 AM

My 4.7s whine more in low especially with the tranny in 3, 4, or 5th. The thing is spinning FAST. But I gather this is more noticeable than the last set? Check with Marlin. You did get 'em from him?

AxleIke 07-23-2010 08:42 AM

He didn't have 4.7's in the last set.

Mine whine in low. Like Bill, in 3, 4, or 5.

Air Randy 07-23-2010 09:30 AM

Same here, whining in low, I think he got his from TrailGear, but they have good tech & customer support too.

Uncle Ben 07-23-2010 09:59 AM

:edit: Geiger Mart bashing comments deleted..... :rant::computertoss::gaah::brick:

FJBRADY 07-23-2010 10:11 AM

I hear whining from the back of the 40 whenever my kids are back there:whiteflag:

Uncle Ben 07-23-2010 10:13 AM

Quote:

Originally Posted by FJBRADY (Post 156339)
I hear whining from the back of the 40 whenever my kids are back there:whiteflag:

Usually hear whining from mini truck drivers! :eek::p::lmao::bolt:

FJBRADY 07-23-2010 10:13 AM

Quote:

Originally Posted by Uncle Ben (Post 156340)
Usually hear whining from mini truck drivers! :eek::p::lmao::bolt:

:lmao:


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