Hello all. While preparing to adjust the valves on the 1980 300SD, I found this bolt on the ground near the front passenger wheel. I searched as best I could but could not find an assembly that was missing this bolt. Going to jack up the front end sometime today to get a better look but thought I would ask for help targeting the spot before then.

Thanks for the help!

John

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John V
1979 300D
1980 300SD

Looks like something from an idler pulley or belt tensioner. Or maybe an intake manifold bolt.

starter mount bolt?

check pic # 4 from this thread

Pictorial: W123 300D Turbo Starter Motor Replacement

I think the Starter Bolts are longer.

Brake Caliper blot or one of the bolts that retains the Disc to the Hub.

Motor Mount bolts?

I can't remember the size of the bolts for the bracket at the rear of the starter nor the ones that hold the brace below the Turbo Charger.

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84 300D, 82 Volvo 244Gl Diesel

Bolt for clamp for transmission oil cooler line?

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78 W116 300SD 'Desert Rose' new as of 01/26/2014
79 W116 300SD 'Stormcloud' RIP 04/11/2022

Thanks for all the suggestions! After jacking the car, I proceeded to check the possibilities and found the spot - engine damper bolt.

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John V
1979 300D
1980 300SD

Yes, definitely engine mount (damper) bolt.

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All Diesel Fleet
1985 R107 300SLD TURBODIESEL
2005 E320 CDI (daily)

LOTS of parts for sale!


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1985 CA emissions 617 owners- You Need This!
Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst.

Sanden Instalation Guide (post 11):
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