Honda Civic. Manual — part 840

SHIFT FORK DISASSEMBLY/REASSEMBLY

Prior to reassembling, clean all the parts in solvent, dry them, and apply MTF to
any contact surfaces.

Fig. 81: Identifying Shift Fork Assembly
Courtesy of AMERICAN HONDA MOTOR CO., INC.

MAINSHAFT ASSEMBLY CLEARANCE INSPECTION

1. Support the bearing inner race with an appropriate sized socket (A), and push

down on the mainshaft (B).

NOTE:

If replacement is required, always replace the synchro
sleeve and synchro hub as a set.

2008 Honda Civic LX

2006-08 TRANSMISSION Manual Transmission (SPFM) 5-Speed) - Civic

Fig. 82: Identifying Bearing Inner Race
Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Measure clearance between 2nd gear (C) and 3rd gear (D) with a feeler gauge

(E).

If the clearance is more than the service limit, go to step 3.

If the clearance is within the service limit, go to step 4.

Standard: 0.06-0.21 mm (0.002-0.008 in.)

Service Limit: 0.30 mm (0.012 in.)

3. Measure thickness of 3rd gear.

If the thickness is less than the service limit, replace 3rd gear.

If the thickness is within the service limit, replace the 3rd/4th synchro hub
and 3rd/4th synchro sleeve as a set.

Standard: 27.02-27.07 mm (1.064-1.066 in.)

Service Limit: 26.95 mm (1.061 in.)

2008 Honda Civic LX

2006-08 TRANSMISSION Manual Transmission (SPFM) 5-Speed) - Civic

Fig. 83: Identifying Thickness Of 3rd Gear
Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Measure clearance between 4th gear (A) and the distance collar (B) with a dial

indicator (C). If the clearance is more than the service limit, go to step 5.

Standard: 0.06-0.19 mm (0.002-0.007 in.)

Service Limit: 0.28 mm (0.011 in.)

Fig. 84: Identifying Clearance Between 4th Gear And Distance Collar
Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Measure length (1) of the distance collar as shown

If the length (1) is not within the standard, replace the distance collar.

If the length (1) is within the standard, go to step 6.

Standard: 22.53-22.56 mm (0.887-0.888 in.)

2008 Honda Civic LX

2006-08 TRANSMISSION Manual Transmission (SPFM) 5-Speed) - Civic

Fig. 85: Identifying Length Of Distance Collar
Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Measure thickness of 4th gear.

If the thickness is less than the service limit, replace 4th gear.

If the thickness is within the service limit, replace the 3rd/4th synchro hub
and 3rd/4th synchro sleeve as a set.

Standard: 25.52-25.57 mm (1.005-1.007 in.)

Service Limit: 25.45 mm (1.002 in.)

Fig. 86: Identifying Thickness Of 4th Gear
Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Measure clearance between the distance collar (A) and 5th gear (B) with a dial

indicator (C). If the clearance is more than the service limit, go to step 8.

Standard: 0.06-0.14 mm (0.002-0.006 in.)

Service Limit: 0.23 mm (0.009 in.)

2008 Honda Civic LX

2006-08 TRANSMISSION Manual Transmission (SPFM) 5-Speed) - Civic