Pinion Seal

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170 ft lbs to 240 ft lbs depending on which carrier you have. 741, 742 are 170 and the 489 is 240. That's right out of the Chrysler factory repair manual.
 
416stroker said:
170 ft lbs to 240 ft lbs depending on which carrier you have. 741, 742 are 170 and the 489 is 240. That's right out of the Chrysler factory repair manual.
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You've got those numbers backwards. 489 is 170 to 210 ft lbs with crush sleeve and the 741 and 742 are 240+. Must be a misprint in your manual. Not at all uncommon if the manual is original.
 
You're absolutley right. I transposed the numbers when I replied. The book has it right but the reader is crosseyed!

Thanks for catching that!
 
It's what we're here for. Always glad when someone appreciates a correction. Hope Her1970 didn't already torque that nut. LOL
 
The torque stated above is the minimum torque. The correct pinion torque is determined by the pinion preload. This is accomplished by compressing the crush sleeve until a rotational preload of 20 to 30 inch-pounds is obtained.
 
Or in the case of a solid spacer the shims thickness is adjusted to receive the rotational preload.
 
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