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Transmission Torque Specs

Author Topic: Transmission Torque Specs  (Read 592 times)

Jjutzy

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  • Location: Gilbert, Arizona USA
Transmission Torque Specs
« on: 22 October 2019, 07:12 PM »
So, I’m working on putting my 1979 300SD back together.

I’m wondering if anyone can give me the torque specs, particularly for the nose cone bolts and the output shaft yoke and Flex Discs.

Thanks,
John
1979 300 SD 348,000+ Miles

Squiggle Dog

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Re: Transmission Torque Specs
« Reply #1 on: 22 October 2019, 10:08 PM »
The nose/tail shaft cone bolt torque specs are 1.3 mkp/12.74 Nm/9.4 lb-ft. The output shaft yoke is 12.0 mkp/117.68 Nm/86.80 lb-ft, and the flex disc bolts are 4.59 mkp/45 nm/33.19 lb-ft (they should be M10 bolts [10mm thick shaft]). Otherwise the book calls for 6.63 mkp/65 nm/47.94 lb-ft for M12 bolts.

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1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C
1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Heated Seats, 350,000+

Jjutzy

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  • Posts: 27
  • W116 Enthusiast
  • Location: Gilbert, Arizona USA
Re: Transmission Torque Specs
« Reply #2 on: 27 October 2019, 05:47 PM »
Thank you Squiggle Dog. It’s all buttoned you, and so far, no leaks!
1979 300 SD 348,000+ Miles