Isuzu 1999 RODEO Workshop Manual page 364

Detent Springs
1. Inspect the springs for distortion, cracks or wear.
Replace if these conditions are present.
Detent Spring Free Length
1. Use a vernier caliper to measure the detent spring
free length.
2. If the measured value is less than the specified limit,
the detent spring must be replaced.
Detent spring free length
Detent ball
Standard : 23.4 mm (0.921 in)
Limit : 22.8 mm (0.898 in)
Interlock pin
Standard : 15.9 mm (0.626 in)
Limit : 15.3 mm (0.602 in)
Detent Spring Tension
1. Use a spring tester to measure the detent spring
tension.
2. If the measured value is less than the specified limit,
the detent spring must be replaced.
Detent ball
Compressed height : 18.7 mm (0.736 in)
Standard : 68.6–88.2 N (15.4–19.8 lb)
Interlock pin
Compressed height : 11.5 mm (0.453 in)
Standard : 9.8 N (2.2 lb)
Shift Arm
1. Inspect the shift arms for wear, distortion or scoring.
Replace if these conditions are present.
Shift Arm Thickness
1. Use a micrometer to measure the shift arm thickness.
2. If the measured value is less than the specified limit,
the shift arm must be replaced.
Shift arm thickness
Standard : 9.60–9.85 mm (0.378–0.388 in)
Limit : 9.0 mm (0.354 in)
220RW035
TRANSFER CASE 4D–29
220RS013
230RS006