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Old 08-03-2007, 10:36 PM
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Join Date: Dec 2004
Location: Dallas
Posts: 94
mercedes engineer - a Godsend, Haynes manual -the devil incarnate

Working on my engine swap project into the SD, I refer to the Haynes manual for engine mount bolt to body torque because it's handy - the FSM cd is in the computer upstairs and I'm covered in grease in the garage.
96ft lbs.
That seems high I thought to myself - the bolts are smaller than wheel studs and look to be "brass," but surely the manual must be right. I mean there it is in black and white - someone took the time to write, edit, and publish these figures, I'm sure they have a proof reader, so I continue on with my trusty clicker torque wrench. Crank, crank, crank, SNAP!
Uh oh.
Jack up the engine, remove the mount, ragged break inside the mount. CRAP!
Hey....What's this bolt for?
Hey look! The hole is threaded all the way through. I pull the other mount bolt, hit the hole with PB Blaster and thread it through the back side. It works - It pushed the broken stud out enough to get the vice grips on it and pull it out.
Now some engineer toiling away in a dank, dark Stuttgart dungeon in the early '80s must have thought to himself - Hey, for 3 pfennig ?sp?, we can make this better, let's do it! And it actually got by the bean counters.
It's a really sad day when a simple thing like this - that made my day - is cut to save a few cents.
The Haynes manual, however will no longer be a reference for anything other than an alternate photo angle.
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tgingrich
'83 300TD 282k
'83 300D 239k
'82 300SD 204k
DFW
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