[Fot] Greasing spicer u joints

[TeriAnn J. Wakeman]

Some U-joints have grease fittings and seals that allow grease to flow 
though so you can replace old grease with new.

Others have seals that seal in the grease and the water & dirt out. You 
cannot and should not grease sealed bearing U-joints. They are good for 
the life of the U-joint, meaning when the grease dies so does the 
U-joint. You can clean the outside of the U-joints and test them for 
looseness but that is about it.

TeriAnn

On 2/23/20 3:17 PM, Scott Janzen via Fot wrote:
> Hi, tried to send this yesterday, but it did not go through.
>
>> The GT6 has Spicer u joints without zerk fittings on the 
>> halfshafts and on the driveshaft. I have the entire rear end 
>> disassembled and am now inspecting the ujoints. They look good, no 
>> visible wear and there was no play in them when on the car. Do i just 
>> pull the cups and put some more grease in, or should the little 
>> buggers be totally cleaned, needle by needle and re-lubed?
>> I’m always reluctant to change the order of anything, i.e. mixing 
>> up the needles.
>> No way to flush them out with grease as one does with the ones with a 
>> grease fitting.
>
>> Thoughts?
>
>
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