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1GR-FE ENGINE MECHANICAL – ENGINE UNIT EM–143 EM (2) Using several steps, uniformly loosen and remove the 16 bearing cap bolts in the (3) Remove the 8 bearing caps, then remove the 2 camshafts. (b) Remove the camshafts of bank 2. (1) Using several steps, uniformly loosen and remove the 16 bearing cap bolts in the (2) Remove the 8 bearing caps, then remove the 2 camshafts. 43. REMOVE NO. 1 CAMSHAFT BEARING (a) Remove the No. 1 camshaft bearing from the No. 1 camshaft bearing cap. 44. REMOVE NO. 2 CAMSHAFT BEARING (a) Remove the No. 2 camshaft bearing from the cylinder head for bank 1. 45. INSPECT CAMSHAFT OIL CLEARANCE (a) Clean the camshaft bearing caps, camshaft bearings and camshaft journals. (b) Install the camshaft bearing. journal. (e) Install the camshaft bearing caps. NOTICE: (f) Remove the camshaft bearing caps. (g) Measure the Plastigage at its widest point. Standard oil clearance (Bank 1) Standard oil clearance (Bank 2) 1 2 3 4 6 7 8 5 9 10 11 12 14 15 13 16 Bank 1: A072967E12 3 6 4 7 9 8 5 2 1 10 11 12 13 14 15 16 Bank 2: A072968E11 A076279E01 Plastigage A075622E02 A075623E01 Camshaft Bearing Cap Specification No. 1 (Intake) 0.008 to 0.038 mm (0.0003 to 0.0015 in.) No. 1 (Exhaust) 0.040 to 0.079 mm (0.0016 to 0.0031 in.) Others 0.025 to 0.062 mm (0.0010 to 0.0024 in.) Camshaft Bearing Cap Specification No. 1 0.040 to 0.079 mm (0.0016 to 0.0031 in.) |