4t60E-HD rebuild (minor buildup phase w/pix) - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-18-2007, 07:02 PM   #11
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Old 03-20-2007, 08:33 PM   #12
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Well, it turns out someone wants me to start, uh, cleaning the place where I have been keeping all these parts. Something about getting sick from the smell of tranny fluid

So, since I still do not have my rebuild kit yet, I am only putting in a few parts. I took a picture of what the ring gear assembly looks like installed and how the parking pawl works.

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Above is the final drive ring gear assembly installed. The gear selector is NOT in park. The differential fits inside this gear, in case you didn't know.

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Here is a closeup of that same end. If you look close enough, you can see the hole where the parking pawl comes out.

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Parking pawl is out. This will mesh with the parking gear once the whole assembly is done.
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Old 03-20-2007, 08:55 PM   #13
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Looking pretty go so far.
The master overhaul kit you speak of most likely will not include the corrections the shift kit will give you. You Certainly want that Trans go JR kit at the least, as it firms the shifts up a bit, and decreases clutch wear greatly.
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Old 03-20-2007, 09:26 PM   #14
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Thanks for the headsup Matt. I have not placed my order yet as I am still shaky on exactly what the kits come with. Since there is very little wear on the clutches up to the fourth clutch set, I may very well reuse them, or at the least save them for the 93 trans when I tear into it.

Bulkpart does not list a contents table on any of the parts the rebuild kits have. I am going to need that.
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Old 03-21-2007, 05:58 PM   #15
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I got the master rebuild kit from ATP today. Though it comes with all the seals, clutches, and other whatnots, I am a bit disappointed with it. The clutches are fiberous, instead of the carbon metallic they are supposed to replace. (Though there are some carbon clutches). It also does not come with any of the plastic thrust washers that tend to get chewed up in older transmissions.

I still have to get the shift kit, and I still want to put a bung in the bottom trans pan.
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Old 03-24-2007, 12:01 PM   #16
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I got a bit ambitious with this project the past few days. I used a mixture of old and new clutches, both the friction and the steels. In fact, with the exception of the fourth gear clutch disks, all the clutches looked brand spankin' new. The only "new" material I used I put into third and will be putting into fourth. Anyways, all the gears are in the box again w/ exception of the fourth packs, and that is how it is going to stay until I get settled into the new place. I still have to locate a thrust washer, and somehow I lost the oil scavenging scoop, so in reality I can't go any further until those parts are located.

I *could* rebuild the accumulators if I really wanted to, but I think I will pass. The guts had less than 90k and from what I could tell, the seals still looked great. So what I don't use in this kit will go to the 93 trans once it is out and cracked open. I have a funny feeling it is going to need alot more work than this trans did
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Old 03-27-2007, 03:25 PM   #17
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Nice stuff, Brad!

Good pics!

The more teardowns I get to witness here, the more likely it is that I'll do one myself someday.
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Old 03-27-2007, 03:52 PM   #18
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Right hand sprocket is sitting here on my desk.
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