PabloCruise
SILVER Star
Dammit!!!
So I was getting ready to swap out my rear third member w/ a front third I got from a 1969 40...
I was doing some reading in the FSM before hand and came up with these conclusions regarding pre-load: (originally posted here)
The FSM has you set up the drive pinion and measure pinion preload. I believe at this point the ring gear and carrier are not present in the third member.
The FSM states:
Specified Preload (starting)
New Bearing 16.5-22.6 in-lb
Reused Bearing 7.8-11.3 in-lb
Then you keep going, put the ring gear on the carrier and install that. Then set your side bearing preload. Then you measure the overall preload.
I just got the issue that was hanging me up...
The FSM states:
Specified Preload (starting)
(For both new and reused bearing) 3.5-5.2 in-lb + DRIVE PINION PRELOAD.
I kept missing the + DRIVE PINION PRELOAD part and wondering how the hell the overall preload part could be less than the drive pinion preload.
It sounds like you can evaluate a third member with ring gear carrier installed by giving the pinion a spin and the acceptable range of starting preload could be as low as 11.3 in-lbs OR as high as 27.8 in-lbs?
I tried my replacement third with a inch-lbs torque wrench - got about 5 in-lbs...
I tore into it and this is what I saw...
So I was getting ready to swap out my rear third member w/ a front third I got from a 1969 40...
I was doing some reading in the FSM before hand and came up with these conclusions regarding pre-load: (originally posted here)
The FSM has you set up the drive pinion and measure pinion preload. I believe at this point the ring gear and carrier are not present in the third member.
The FSM states:
Specified Preload (starting)
New Bearing 16.5-22.6 in-lb
Reused Bearing 7.8-11.3 in-lb
Then you keep going, put the ring gear on the carrier and install that. Then set your side bearing preload. Then you measure the overall preload.
I just got the issue that was hanging me up...
The FSM states:
Specified Preload (starting)
(For both new and reused bearing) 3.5-5.2 in-lb + DRIVE PINION PRELOAD.
I kept missing the + DRIVE PINION PRELOAD part and wondering how the hell the overall preload part could be less than the drive pinion preload.
It sounds like you can evaluate a third member with ring gear carrier installed by giving the pinion a spin and the acceptable range of starting preload could be as low as 11.3 in-lbs OR as high as 27.8 in-lbs?
I tried my replacement third with a inch-lbs torque wrench - got about 5 in-lbs...
I tore into it and this is what I saw...
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