Driven Plate Splined Hub Spline Wear; Driven Plate Warpage - Isuzu Trooper 1999 Workshop Manual

CLUTCH
7C–10
Driven Plate Assembly
1. Visually check the torsion spring for looseness,
breakage, and weakening.
2. If any of these conditions are discovered, the driven
plate assembly must be replaced.
3. Visually check the facing surfaces for cracking and
excessive scorching.
4. Visually inspect the facing surfaces for the presence
of oil or grease.
5. If any of these conditions are discovered, the facing
must be cleaned or replaced.
6. Check that the driven plate moves smoothly on the
transmission top gear shaft spline.
7. Minor ridges on the top gear shaft spline may be
removed with an oil stone.

Driven Plate Warpage

1. Insert the clutch pilot aligner into the driven plate
splined hub.
2. The clutch pilot aligner J-24547 must be held
perfectly horizontal.
3. Set a dial indicator to the driven plate outside
circumference.
4. Slowly turn the driven plate.
5. Read the dial indicator as you turn the driven plate.
6. If the measured value exceeds the specified limit, the
driven plate assembly must be replaced.
Driven Plate Warpage
Standard: 0.7 mm (0.028 in)
Limit: 1.0 mm (0.039 in)

Driven Plate Splined Hub Spline Wear

201RS007
1. Clean the driven plate splined hub.
2. Install the driven plate to the transmission top gear
shaft spline.
3. Set a surface gauge to the driven plate outside
circumference.
4. Slowly turn the driven plate counterclockwise.
5. Measure the spline rotation play as you turn the
driven plate.
6. If the measured value exceeds the specified limit, the
driven plate assembly must be replaced.
Driven Plate Splined Hub Spline Wear
Standard: 0.5 mm (0.020 in)
Limit: 1.0 mm (0.039 in)
201RS008
201RS009