Removal Procedure

NOTE:

To prevent damage to the spring fangs of pressure plate use the DT-6263 remover/installer to remove and install the clutch pressure plate.
Note the different lengths of the brackets for attaching the DT-6263 remover/installer to the lower engine block.

Remove the transmission. Refer to Transmission Replacement .
Install the EN-652 holder (1) to the engine block.

Fig 1: Flywheel Holding Tool
Courtesy of GENERAL MOTORS COMPANY
Install the DT-6263 remover/installer (1) along with the DT-6263-1 brace to the engine block.

Fig 2: Engine Support Brace
Courtesy of GENERAL MOTORS COMPANY
Install the 4 bolts (arrows) to the engine block, but do not tighten yet.
Install the DT-6263-27 center guide (5) to the DT-6263-30 centering drift (4).

Fig 3: Center Guide And Drift
Courtesy of GENERAL MOTORS COMPANY
Tighten the DT-6263 remover/installer.
1. Align the DT-6263-30 centering drift (2) along with the clutch center guide through the DT-6263 remover/installer into the clutch driven plate and the crankshaft center (arrow).
2. Tighten the knurled wheel (1).
3. Tighten the bolt (3).
4. Tighten the 4 bolts installing the DT-6263 remover/installer to the engine block.
Preload the clutch springs, using the DT-6263 remover/installer.

Fig 4: Measuring Distance "a"
Courtesy of GENERAL MOTORS COMPANY
1. Turn the threaded rod (1) until it rests against the spring tangs of the clutch pressure plate.
2. Measure the distance a.
  NOTE: DO NOT turn further than necessary to gain free movement of the clutch disc.
3. Turn the threaded rod clockwise until the distance a is extended by approximate 8 mm (0.31 lb in).
4. Check for free movement of the clutch disc.
Remove and DISCARD the 6 clutch pressure plate bolts (1).

Fig 5: Clutch Pressure Plate Bolts
Courtesy of GENERAL MOTORS COMPANY

NOTE: Check if bolt was installed with thread lock agent.
Release the DT-6263 remover/installer (2).

Fig 6: Centering Drift And Clutch Center Guide
Courtesy of GENERAL MOTORS COMPANY
1. Turn the threaded rod (1) of the DT-6263 remover/installer counter clockwise to the stop.
2. Remove the DT-6263-30 centering drift (3) along with the clutch center guide (arrow).
Remove the clutch pressure plate (1) and the driven plate (2).

Fig 7: Clutch Pressure Plate And Driven Plate
Courtesy of GENERAL MOTORS COMPANY
Inspect the clutch pressure plate and the driven plate (1) and replace it, if necessary.

Fig 8: Clutch Pressure Plate And Driven Plate Inspection Points
Courtesy of GENERAL MOTORS COMPANY

NOTE: Clutch pressure plate and driven plate contaminated by foreign bodies (oil, cleaning agent etc.) have to be replaced. Check the clutch driven plate for damage and friction rust in the hub profile and replace it if necessary. DO NOT clean the clutch pressure plate and the driven plate with a high pressure cleaner or component washing machine.
- Excessive wear
- Burned friction surface
- Oil on friction surface
- Damaged spline hub
- Damaged springs
Inspect the projection of the lining at the clutch lining rivets.
NOTE: The clutch driven plate has to be replaced if the lining projection is less than 0.5 mm (0.020 in) (arrows).
Slide the clutch pressure plate onto the transmission input shaft and check for easy movement.
Check the dual mass flywheel for proper function. Dual Mass Flywheel Diagnosis