Index Subaru Subaru Impreza 3 / Impreza WRX / Impreza WRX STI - service repair manual 2008-2014 year
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ME(w/o STI)-97 Cylinder Block MECHANICAL 6. CRANKSHAFT AND CRANKSHAFT BEARING 1) Clean the crankshaft completely, and check it for cracks using liquid penetrant tester. If defective, re- place the crankshaft. 2) Measure warping of the crankshaft. If it exceeds the limit, correct or replace it. If a suitable V-block is not available, using just the #1 and #5 crankshaft bearings on cylinder block, position the crankshaft on cylinder block. Then, measure the crankshaft bend using a dial gauge. 0.035 mm (0.0014 in) 3) Inspect the crank journal and crank pin for wear. If they are not within the standard, replace the bear- ing with a suitable (undersize) one, and replace or grind to correct the crankshaft as necessary. When grinding the crank journal or crank pin, finish them to the specified dimensions according to the under- size bearing to be used. Cylindricality Limit 0.006 mm (0.0002 in) Out-of-roundness Limit 0.005 mm (0.0002 in) Grinding limit (dia.) To 51.750 mm (2.0374 in) Crank journal: Cylindricality Limit 0.006 mm (0.0002 in) Out-of-roundness Limit 0.005 mm (0.0002 in) Grinding limit (dia.) To 59.758 mm (2.3527 in) ME-00183 ME-00184 |