1991 LEXUS SC300 Service Repair Manual

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Page 1529 of 4087

LEXUS SC300 1991 Service Repair Manual PREPARATION FOR DISASSEMBLY EG34Y±01 (See Components for Cylinder Block Disassembly and As-sembly) 1. REMOVE DRIVE PLATE Remove the 8 bolts, front spacer drive plate and rear spacer. 2. INSTALL ENG

Page 1530 of 4087

LEXUS SC300 1991 Service Repair Manual (b) Disconnect the engine wire clamp from the bracket on thestarter. (c) Remove the nut, and disconnect the starter wire. (d) Disconnect the starter connector, and remove the starter. 8. REMOVE

Page 1531 of 4087

LEXUS SC300 1991 Service Repair Manual 11. REMOVE WATER PUMP (a) Remove the 5 bolts, 2 stud bolts and nut. (b) Using a screwdriver remove the water pump by prying theportions between the water pump and cylinder block. 12. REMOVE NO.2 A

Page 1532 of 4087

LEXUS SC300 1991 Service Repair Manual CYLINDER BLOCK DISASSEMBLY EG1KT±04 (See Components for Cylinder Block Disassembly and As-sembly) 1. REMOVE REAR OIL SEAL RETAINER (a) Remove the 7 bolts. (b) Using a screwdriver, remove the oil

Page 1533 of 4087

LEXUS SC300 1991 Service Repair Manual (d) Clean the crank pin and bearing. (e) Check the crank pin and bearing for pitting and scratches.If the crank pin or bearing is damaged, replace the bearings. If necessary, replace the crankshaft

Page 1534 of 4087

LEXUS SC300 1991 Service Repair Manual HINT: If using a standard bearing, replace it with one having the same number. If the number of the bearing cannot be de- termined, select the correct bearing by adding together the numbers imprinted

Page 1535 of 4087

LEXUS SC300 1991 Service Repair Manual 4. REMOVE PISTON AND CONNECTING RODASSEMBLIES (a) Using a ridge reamer, remove all the carbon from the top of the cylinder. (b) Push the piston, connecting rod assembly and upper bearing through t

Page 1536 of 4087

LEXUS SC300 1991 Service Repair Manual 6. REMOVE MAIN BEARING CAPS AND CHECK OILCLEARANCE (a) Remove the 10 main bearing cap bolts. (b) Uniformly loosen and remove the 20 main bearing cap nuts in several passes, in the sequence shown.
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