Could somebody please tell me the proper torque for the bolts that attach the intake/exhaust manifold to the engine? I can't seem to find that info in the FSM.

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82 300D 225k

I can't find any info on that either, my guess is gute und tite. There may be a tightening sequence tho.

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83 SD

84 CD

I asked the same ? a few years ago when I converted my SD. Just snug them up.

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'85 300SD (formerly california emissions)
'08 Chevy Tahoe
'93 Ducati 900 SS
'79 Kawasaki KZ 650
'86 Kawasaki KX 250
'88 Kawasaki KDX200
'71 Hodaka Ace 100
'72 Triumph T100R

Thanks. That's what I figured and that's what I did. For many months I had been driving around with a tic tic tic sound that was getting louder and louder. Finally today I put in a new manifold gasket (the old one had a huge hole) and I can hardly believe how quiet it is!

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82 300D 225k

Yep, soft torque about 26-28 lbs. And tightening sequence should always imitate cyl head style bouncing around for all series of nuts'n bolts even lugnuts, thermostat housings etc.