Info: Re Gearing

[Mossbac04]

gunna put in 4:56 gears. wanna buy the gears on my own to save money, but dont know what im looking for. gotta 08 2500HD d-max. dont know what bolt i have. looking to put in motive gears.
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[02bigstrokin]

gunna put in 4:56 gears. wanna buy the gears on my own to save money, but dont know what im looking for. gotta 08 2500HD d-max. dont know what bolt i have. looking to put in motive gears.
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its a 11.5 aam rear(14 bolt) and 9.25 front.

 

[Mossbac04]

thanks man.

 

[05' Ditry Duramax]

You"ll need to purchase Master Install kit's for both the front and rear. You will also have to get new axle seals for the front. Those are dealer items only and usually on back order. You can use RTV for the rear axle shaft seals.

 

[redws6rocket]

if you have a good installer you can reuse your bearings. you should just need a pinion seal for the front and rear, crush sleeve for the front and rear, rear gasket, rear axle seals, front axle seals if there leaking, fluid and anaerobic sealer for the front diff. just buy good gears, my fronts are motive and rears are cheap and they whine horrible. they were an ebay finds, after installing i found out the rear gears are not designed for a quiet running vehicle lol!

 

[05' Ditry Duramax]

I have found aftermarket gears will be louder 9 out of 10 times. Nothing you can do about it really. It depend on how they are setup as well.

I would put new bearings on for the simple fact your in there. I wouldn't want to rip it apart just to install new bearings again. FWIW.

 

[JD Dave]

What is the approximate cost of a gear swap?

 

[TheBac]

You"ll need to purchase Master Install kit's for both the front and rear. You will also have to get new axle seals for the front. Those are dealer items only and usually on back order. You can use RTV for the rear axle shaft seals.

I wouldnt use rtv for the axle shaft seal. Felpro makes a nice metal one for cheap. Part number 55350.