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CYLINDER BLOCK EM-139 [VG33E and VG33ER] C D E F G H I J K L M A EM No. 1 Main Bearing Grade Number (Identification Color) All Except No. 1 Main Bearing Grade Number (Identification Color) Connecting Rod Bearing (Big End) 1. Install the connecting rod bearing on the connecting rod big end and cap. 2. Install the connecting rod cap to the connecting rod. Tighten the connecting rod cap bolts to specification. . 3. Measure the inner diameter “C” of each connecting rod bearing 4. Measure the outer diameter “Dp” of each crankshaft connecting 5. Calculate the connecting rod bearing clearance. 6. If the connecting rod bearing clearance exceeds the limit, replace the connecting rod bearing. 7. If the clearance cannot be adjusted within the standard of any bearing, grind the crankshaft journals and EM-154, "Available Connecting Rod Bearing" . Crankshaft journal grade number Main journal grade number 3 or III 4 or IV 5 or V 6 or VI 3 or III 0 (Black) 1 (Brown) 2 (Green) 3 (Yellow) 4 or IV 1 (Brown) 2 (Green) 3 (Yellow) 4 (Blue) 5 or V 2 (Green) 3 (Yellow) 4 (Blue) 5 (Pink) 6 or VI 3 (Yellow) 4 (Blue) 5 (Pink) 6 (Purple) Crankshaft journal grade num- ber Main journal grade number 0 1 or I 2 or II 0 0 (Black) 1 (Brown) 2 (Green) 1 or I 1 (Brown) 2 (Green) 3 (Yellow) 2 or II 2 (Green) 3 (Yellow) 4 (Blue) AEM027 AEM034 Connecting rod bearing clearance ("C" – "Dp") Standard : 0.024 - 0.064 mm (0.0009 - 0.0025 in) Limit : 0.090 mm (0.0035 in) |