Civic EX Sedan L4-1668cc 1.7L SOHC (VTEC) MFI (2001)
Mainshaft: Testing and Inspection
Mainshaft Assembly Clearance Inspection
Mainshaft Assembly Clearance Inspection
NOTE: If replacement is required, always replace the synchro sleeve and hub as a set.
1. Support the bearing inner race with a socket (A), and push down on the mainshaft (B).
Standard: 0.06-0.21 mm (0.002-0.008 in.)
Service Limit: 0.33 mm (0.013 in.)
2. Measure the clearance between 2nd (C) and 3rd (D) gears with a feeler gauge (E).
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If the clearance is more than the service limit, go to step 3.
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If the clearance is within the service limit, go to step4.
3. Measure the thickness of 3rd gear.
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If the thickness of 3rd gear is less than the service limit, replace 3rd gear with a new one.
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If the thickness of 3rd gear is within the service limit, replace the 3rd/4th synchro hub with a new one.
Standard: 27.92-27.97 mm (1.099-1.101 in.)
Service Limit: 27.85 mm (1.096 in.)
4. Measure the clearance between 4th gear (A) and the spacer 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.)