1.5L REVOTORQ BS VI ENGINE 156 CYLINDER BLOCK 1. Check cylinder block for cracks by pressure testing method. Clean cylinder bores, bearing surfaces, oil passages in crank case thoroughly. Check water jackets for leakages by blowing air at a pressure of 5 bar & then dipping the cylinder block in the hot water (Temp of water 70° to 80°C) NOTE The block with any leakages / cracks should be discarded. 2. Check crankcase mating surface with cylinder head for unevenness with the help of straight edge and feeler gauge. If necessary grind this surface just too clear unevenness. Measure across the length and also across the breath. 3. Ensure that the minimum height of crank case is not less than the specified minimum height. 4. Tighten main bearing cap mounting bolts to specified torque 5. Check crank case main bearing parent bore dimensions. 6. Install new pairs of main bearing shells according to size of crank shaft main bearing journal diameter, making sure that securing lugs of bearing shells are properly seated in grooves of crank case and main bearing caps. 7. Install main bearing caps with bearing shells in their respective position on crank case. Tighten main bearing cap mounting bolts in specified sequence to specified torque. Measure main bearing bore. 8. If main bearing parent bore dimensions are within specified limits, proper main bearing bore dimension is automatically achieved. 9. Loosen one of the main bearing cap mounting bolts. Now using a feeler gauge measure the pretension gap of main bearing shell. As the main bearing caps are guided, the
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