Civic Hatchback L4-1493cc 1.5L SOHC (D15B1) TBI (1990)
Mainshaft: Testing and Inspection
Clearance Inspection
1. Assemble the bearings, synchro hub, synchro sleeve, gears, spacer collar, etc. on the mainshaft as shown.
2. Measure the clearance: push down on the bearing race with a socket, and measure the clearance between 3rd and 2nd gears.
3. If the reading is outside specifications, measure the thickness of 3rd gear.
4. If the reading is within specifications, replace the third gear synchro hub.
5. If the service limit is exceeded, replace the gear.
6. Measure the clearance between 4th gear and the spacer collar.