Mazda LF - Connecting Rod Inspection; Bolt Inspection

B–22
ENGINE
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CONNECTING ROD INSPECTION
A6E242411211E01
Caution
•
••
• The piston, piston ring and connecting rod cannot be disassembled.
•
••
• When replacing the piston, piston pin, piston ring and connecting rod, replace them together as a
single unit.
1. Install the connecting rod cap. (See B–31 Connecting Rod Cap Assembly Note.)
2. Measure the connecting rod large end side
clearance.
• If the connecting rod large end side clearance
exceeds the maximum clearance, replace the
piston, piston pin, piston ring and connecting
rod as a single unit.
Standard clearance:
0.14—0.36 mm {0.0056—0.0141 in}
Maximum clearance:
0.435 mm {0.0172 in}
3. Remove the connecting rod cap.
4. Position plastigage atop the journals in the axial direction.
5. Install the connecting rod bearing and connecting rod cap. (See B–31 Connecting Rod Cap Assembly Note.)
6. Remove the connecting rod cap.
7. Measure the connecting rod oil clearance.
• If not as specified, replace the connecting rod
bearing or grind the crank pin and use
oversize bearings so that the specified
clearance is obtained.
Standard clearance:
0.026—0.052 mm {0.0011—0.0020 in}
Maximum clearance:
0.1 mm {0.0039 in}
mm {in}
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BOLT INSPECTION
A6E242410135E01
1. Measure the length of each bolt.
• Replace any that exceeds maximum length.
Bearing size Color Bearing thickness
Standard Green
1.496—1.502
{0.0589—0.0591}
0.50 {0.02}
oversize
1.748—1.754 {0.0688—0.0690}
0.25 {0.01}
oversize
1.623—1.629 {0.0639—0.0641}
AME2224E059
AME2224E310
AME2224E050
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