Pinion Bearing Preload

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pineneedle

Member
I am in a quandry: I am setting up the pinion bearing preload in the Dana 44 in the rear of my '67 Scout; the book calls for 10-20 in/lbs for used bearings, and 20-40 in/lbs for new. I am installing timken bearings (from the kit I bought from you folks). If I add the thinnest shim to the pack I get about 19 in/lbs resistance, and if I subtract this thinnest shim, I get 42 in/lbs. So, my question is: is it better to go with the slightly low (shim in) or the slightly high reading (shim out)?

Pineneedle
 
19" is pretty good but I like to see about 25". Shuffle your shim pack around. For instance instead of using a .010 shim break it up to 3 .003 to get .009. Hope that makes sense.
 
Jeff, thanks for the great idea. I feel very stupid for not seeing that possibility. I did as you suggested and got 28 in/lbs. So, all is well.

Pineneedle
 
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