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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 87 (Manual Transmission Clutch) >> Repair Instructions >> Clutch Assembly Replacement (MG9 Transmission) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

When the clutch driven plate requires replacement, the engine flywheel must also be replaced along with the clutch pressure plate as an assembly.

    Fig 1: Identifying Drive Plate & Front Of Vehicle (Arrow)
    GM1469346Courtesy of GENERAL MOTORS COMPANY
  1. The splined portion of the driven plate protrudes out of the plate more on one side than the other. The side that protrudes out more is the transmission side. The arrow in the graphic indicates the front of the vehicle, or flywheel side of the driven plate.
    2. Fig 2: Clutch Assembly
    GM4144086Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    If NEW bolts DO NOT have an adhesive patch, use Loctite 272™ thread sealant to make certain the bolts do not come loose. If the NEW bolts come with an adhesive patch they MUST be tightened to final torque within five minutes of installation.

  2. Install the driven plate (3) to the flywheel.
  3. Install the clutch pressure plate (2) to the dowel pins on the flywheel.
  4. Install the NEW clutch pressure plate bolts finger tight.
    5. Fig 3: Dowel Pins
    GM4144149Courtesy of GENERAL MOTORS COMPANY
  5. Ensure all three dowel pins (1) are visibly seated through the clutch cover dowel pin alignment holes as shown.
  6. Use a commercially available universal clutch alignment tool to align the clutch driven plate to the center of the engine crankshaft.
    7. Fig 4: Clutch Pressure Plate Bolts Tightening Sequence (4.8L, 5.3L, and 6.0L Engines)
    GM71490Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    IMPORTANT:

    Bolts need to be tightened in the sequence shown, starting with the number one and following in numerical order.

  7. Tighten the clutch pressure plate bolts using the following sequence:
    1. Tighten all the clutch pressure plate bolts in sequence and evenly to 15 (11 lb ft).
    2. Tighten all the clutch pressure plate bolts in sequence and evenly to 35 (26 lb ft).
    3. Tighten all the clutch pressure plate bolts in sequence and evenly to 70 (52 lb ft).
  8. Remove the commercially available clutch alignment tool.
  9. Remove the EN-50792  tool.
  10. Install the starter. Starter Replacement (LGX)Starter Replacement (LCV, LTG)Starter Replacement (LF4 - Manual Transmission)Starter Replacement (LF4 - Automatic Transmission)
  11. Install the manual transmission. Transmission Replacement (MG9)
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