C 1500 1/2 Ton Pickup 2WD V8-305 5.0L VIN H 4-bbl (1982)
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New 3-4 clutch apply plate "stepped" replacing a "flat" apply plate (Fig. 13)
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Input housing and shaft assembly revised with longer housing splines for using the new 3-4 clutch apply plate.
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New input internal gear with longer splines on outside diameter.
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Eliminate usage of longer 3-4 clutch apply ring (now only using short 3-4 clutch apply ring on all models.
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New 3-4 backing plates, (material and thickness)
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New internal retaining ring (thinner) and end configuration changed for identification.
SERVICE ACTION:
The new 3-4 clutch apply plate or the new input housing and shaft assembly cannot be used on transmissions built prior to February 9, 1987 (Julian date
040).
SERVICE PARTS INFORMATION:
PART NUMBER DESCRIPTION
8642173
Plate, 3-4 clutch