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Go Back   Dodge Cummins Diesel Forum > 1st Gen. Dodge Cummins 89-93 12V Forums > 89-93 Powertrain
89-93 Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect...NO ADVERTISING

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Old 02-19-2010, 11:15 PM   #1 (permalink)
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Engine torque specs?

Can some body please tell me what the torque specs are for the engine. Ect: Harmonic ballancer, bellhousing, converter, adapter plate.
I kinda need these tonight. Any help is greatly appricated
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Old 02-20-2010, 09:39 AM   #2 (permalink)
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you dont realy need to torque anything you have listed. just use a good impact.
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Old 02-20-2010, 10:03 AM   #3 (permalink)
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Engine adapter= 44 ft. lbs

flywheel= 101 ft. lbs

converter- 35 ft lbs

trans to adapter= 30 ft lbs

Now on the ballancer. I can't find it in the torque spec sheet.
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Old 02-20-2010, 10:11 AM   #4 (permalink)
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I Believe they are calling the harmonic balancer= the vibration dampner, It says 92 ft lbs.
or 125 N.M
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Old 02-20-2010, 12:07 PM   #5 (permalink)
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Quote:
Originally Posted by my92d350 View Post
you dont realy need to torque anything you have listed. just use a good impact.
Are you serious?
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Old 02-20-2010, 02:11 PM   #6 (permalink)
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i agree with him lol. A good torque with an impact is good with everything OUTSIDE the motor with headstuds being the only exception
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Old 02-20-2010, 03:12 PM   #7 (permalink)
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exactly, some things have to be torque spect but some dont. all of them ive done in bolting stuff together, like tranys and bellhousings, ive never had a problem yet. to me it would be like torqueing the wheels
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Old 02-20-2010, 04:17 PM   #8 (permalink)
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the day you have a wheel fall off of your truck is the day youll learn the 8 lug torque pattern. there are lists out there that give you the size of the bolt/stud and a torque measurement so incase you cant find it youll have a good idea where it should be.

something like this...
SAE Bolt Torque Specs
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Old 02-20-2010, 04:59 PM   #9 (permalink)
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The pattern has nothing to do with the torque specs. Of course you gotta tighten them in the star pattern and you dont even really have to do that if you stop and retighten the lugs after say twenty miles then your set. It all comes with takin good care of your truck. If you stoped to torque everything to factory specs then you would be there forever
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Old 02-20-2010, 05:41 PM   #10 (permalink)
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You're supposed to re-torque your lug nuts 2 times after given amounts of distance driven. If you torque them you should take thr proper steps. It's kind of stupid not to.

As for torque patten, there is the star shape and 3 torque amounts(values) that you do in intervals to have the correct clamping force. Overkill? Maybe but I had a wheel fall off going 75mph once and it won't happen again.
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Old 02-20-2010, 05:51 PM   #11 (permalink)
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i know of the pattern, i do the star pattern and go up in 3 stages, on the 3rd time around i let the impact rip at full power. half the time i have to get the 1/2" impact out to get the lugs off. i dont think im guna have a problem with a wheel falling off.
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Old 02-20-2010, 09:55 PM   #12 (permalink)
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My goodness, Cummins torqued the bolts in my truck's engine and I've never had a problem with having to re-torque stuff for over 200,000 miles.

It's a shame all the trees killed to make the Cummins manuals that regularly reference torque specs.

It looks like DSTAD found what he was looking though ~ http://www.dieseltruckresource.com/d...s-t264359.html
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