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I consider it an easy job- it's equivalent to me of say an oil change.
You need a throttle body gasket and spray cleaner. I use either carb cleaner or brake cleaner, whichever I have handy and they both seem to work about the same.
There's one big clamp for the air intake hose (scrwedriver or 5/16" socket).
Two vacuum hoses on top. Pull off.
One electrical connector, back side. Squeeze the wire clip in, then pull connector down off the plug.
Throttle linkage- it's got a plastic ball and socket joint top and bottom on the rod. You can pop open the clip piece at either end, and then pull the socket off the ball. The clip is right on the end, so for the top end you'd pull it up, for the bottom end you'd push it down. Wipe it clean first, and you should be able to see how it works. It's weird but simple, and it's also only plastic so don't force it. They can break but not if you work the clip in the right direction.
3- 13mm nuts, for which you'll need an open end wrench. Two top, one bottom front. You might see another nut below- it's for a different part. A box wrench or socket will NOT get all 3 of these off. A gentle tap or push on it and the gasket will unstick and you've got it free to work on it.
I usually end up scraping the deposits out with a little screwdriver or a very small wire brush. The carbon at the throttle plate closure point is the big problem, and it's the hardest to get. You'll wind up holding the throttle open with one hand and cleaning with the other. Use an old pan, your oil change bucket, or other surface that won't be damaged by lots of black goo and solvent. It's going to be a bit messy before you're done.
Good luck.
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Rob Bareiss, New London CT ::: '87 244DL/M47- 229K, 88 744GLE- 218K, 82 245T-181K Also responsible for the care and feeding of: 88 745GLE, 231K, 87 244DL, 239K, 88 245DL, 246K
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