Happy Labor Day weekend everyone!

I just finished a little front seat project on the 87 SDL, and have a quick question: What is the correct torque value for the bolts attaching the front driver's seat frame to the floor?

Thanks!

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1987 300SDL, 220k

Hmmm... I just tightened mine til they felt good and snug. I would have to guess around 80lbs/ft. max.

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1991 560 SEL / 185k miles
1992 750il / 17k miles - project car

Those tiny bolts??? I'd say 20 lbft tops.

I don't see a torque spec in the FSM, section 91-100.

Sixto
87 300D

Thanks guys; I'm going to go easy on them. If anyone stumbles upon the published values, please post them up!

Meanwhile, time to go for a drive. I installed a new seat frame and horsehair pad a year and a half ago, but decided to leave some foam stiffeners (very aftermarket, from P.O.) that had earlier supported the broken springs. With the new frame and springs, the rolled-up foam cylinders gave too much support in the wrong places, leading to a very sore back.

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1987 300SDL, 220k

Well my bolts are not tiny.

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1991 560 SEL / 185k miles
1992 750il / 17k miles - project car

guten tight?

I have a buddy who frequently recommends, on some applications: "Tight as you can... ...plus half-a-turn". It always gets a laugh when I suggest that method to others.

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82 300D Turbo 124,000 mi.

and then the bolt snaps

Easy !! 1/2 a turn before the bolt strips or breaks !!

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Grumpy Old Diesel Owners Club group

I no longer question authority, I annoy authority. More effect, less effort....

1967 230-6 auto parts car. rust bucket.
1980 300D now parts car 800k miles
1984 300D 500k miles
1987 250td 160k miles English import
2001 jeep turbo diesel 130k miles
1998 jeep tdi ~ followed me home. Needs a turbo.
1968 Ford F750 truck. 6-354 diesel conversion.
Other toys ~J.D.,Cat & GM ~ mainly earth moving