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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission - Overhaul - 4L80-E >> Component Disassembly & Reassembly >> 4TH Clutch >> Cleaning & Inspection

Cleaning & Inspection

Inspect housing and clutch plates for damaged teeth, scoring or warpage. Ensure 4th clutch housing cup plug bleed hole opening is about .020" (.51 mm).