Gear Synchronizer Blocker Ring Inspection
- Inspect synchronizer blocker ring fiber liner (1) for wear or damage (glazed, burned or missing).
- Inspect synchronizer blocker ring teeth (2) for excessive wear.
- Inspect synchronizer blocker ring lugs (3) for excessive wear.
- Inspect synchronizer spring (4) for wear.
- Inspect gear thrust surface (1) for wear or scoring.
- Inspect gear cone surface (2) for wear.
- Inspect clutching teeth (3) for excessive wear, chipping, or cracks.
- Inspect gear teeth (4) for uneven wear scoring, galling or cracks.
IMPORTANT: When installing new blocker rings, soak in Saturn Transaxle Fluid 15 minutes prior to installing/measuring.
- Install synchronizer blocker ring to matching gear and rotate until it stops.
- Measure clearance between blocker ring and gear in four places.
The minimum blocker ring to gear clearance for all synchronizers:
Blocker ring to gear clearance (minimum): 0.4 mm (0.020 in.)