- May 7, 2018
- Reaction score
- North Carolina
- Vehicle Year
- 1987 STX
- Make / Model
- Engine Type
- 2.9 V6
- 2WD / 4WD
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My pilot bearing is in the crankshaft. Flywheel is off already... apparently all the 2.3s were this way.I always use a particular 9/16" socket that I have. The pilot bearing is mounted in the flywheel, so changing it when the flywheel is removed for resurfacing is easy. The OD of the bearing is 21mm or 53/64", so a little less than that works great.
I measured the ID with my caliper to do the bread trick. About 9/16s or 14mm "inside" diameter.If that's the case, he's right. The input shaft is about 9/16" OD.
The large end?I did the bread trick to remove my pilot bearing. I used a 3/8” socket extension if I remember correctly. Whatever it was, it worked like a dream.
Yes thanks, I have the freeze plugs.I haven't changed a front input shaft seal, because I've never had one leak enough to worry about.
For preventative maintenance on the M5OD while I've had it out for a clutch, I have removed the front plate to check the oil slinger, and pulled the top cover to inspect the internal parts, and to clean any trash from the oil trough (a plastic oil guide). In both cases, these items needed resealing anyway to fix small fluid leaks (I used RTV silicone gasket maker to reinstall both, although there is a o-ring type gasket for the top cover, I think).
I believe that you already have, and planned on, replacing the rubber shift rail plugs with freeze plugs. Highly recommended.
Hopefully others with more experience inside these missions will weigh in on your replacing the input shaft seal.
You're getting there.
Thanks for the info and image. I can use that when I get around to that part.If you don't have any leaks or seepage from the top cover, front plate or tail shaft housing, then I wouldn't go any deeper into the transmission. Do put the freeze plugs into the shift rail bores. And, the oil through I mentioned is metal, not plastic. Damn old age and CRS!
Here's that oil trough; see the trash in lower end? Mine was mainly little gasket pieces and RTV boogers.