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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (Automatic Transaxle Overhaul & Testing - 4T65-E) >> Component Disassembly & Reassembly >> Driven Sprocket Support Assembly >> 2nd & 4th Clutch Functional Check

2nd & 4th Clutch Functional Check

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  1. For this test, attach driven sprocket support assembly and 2nd clutch housing thrust washer onto 2nd clutch housing assembly. See Fig 5.
  2. Apply 20 psi (138 kPa) of compressed air to feed holes marked 2 and 4, and listen for 2nd and 4th clutch application. See Fig 6. Hold pressure for 5 seconds. If clutches do not apply and hold, disassemble driven sprocket support components.
  3. Inspect all seals and clutches for proper assembly. Reassemble and repeat functional check. When clutches apply and hold correctly, remove driven sprocket support assembly and 2nd clutch housing thrust washer from 2nd clutch housing assembly. See Fig 5.
Fig 1: Compressing 4th Clutch Spring Assembly
G98A01995Courtesy of GENERAL MOTORS CORP.
Fig 2: Exploded View Of Driven Sprocket Support
G00073354Courtesy of GENERAL MOTORS CORP.
Fig 3: Removing & Installing 4th Clutch Piston Outer Seal
G00073353Courtesy of GENERAL MOTORS CORP.
Fig 4: Removing & Installing 4th Clutch Inner Seal To Driven Sprocket Support Hub
G98C01996Courtesy of GENERAL MOTORS CORP.
Fig 5: Assembling Components For 2nd & 4th Clutch Functional Air Check
G00073355Courtesy of GENERAL MOTORS CORP.
Fig 6: Checking 2nd & 4th Clutch Operation
G00073356Courtesy of GENERAL MOTORS CORP.
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