1991 LEXUS SC300 Service Repair Manual

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Page 2241 of 4087

LEXUS SC300 1991 Service Repair Manual (b) Check that the timing marks of the camshaft timingpulleys and timing belt rear plates aligned. If not, turn the crankshaft one revolution (360 5). 27. REMOVE TIMING BELT TENSIONER HINT: w(Re±u

Page 2242 of 4087

LEXUS SC300 1991 Service Repair Manual (b) Disconnect the timing belt from the camshaft timingpulleys. 29. REMOVE CAMSHAFT TIMING PULLEYS Using SST, remove the bolt, timing pulley. Remove the two timing pulleys. SST 09278±54012 30. R

Page 2243 of 4087

LEXUS SC300 1991 Service Repair Manual (a) Disconnect the solenoid valve connector. (b) Remove the two mounting bolts and two mounting nuts. (c) Disconnect the engine speed sensor wire clamp. (d) Remove the hydraulic pump. 32. REMOVE

Page 2244 of 4087

LEXUS SC300 1991 Service Repair Manual 36. REMOVE NO.2 IDLER PULLEYRemove the pulley bolt and idler pulley. 37. REMOVE NO.1 IDLER PULLEY Using a 10 mm hexagon wrench, remove the bolt, idler pulley and plate washer. 38. REMOVE CRANKSHA

Page 2245 of 4087

LEXUS SC300 1991 Service Repair Manual (b) If the belt teeth are cracked or damaged, check to seeif either the camshaft is locked. (c) If there is noticeable wear or cracks on the belt face, check to see if there are nicks on the side o

Page 2246 of 4087

LEXUS SC300 1991 Service Repair Manual 3. INSPECT TIMING BELT TENSIONER(a) Visually check tensioner for oil leakage. HINT: If there is only the faintest trace of oil on the seal on the push rod side, the tensioner is all right. If leaka

Page 2247 of 4087

LEXUS SC300 1991 Service Repair Manual 3. INSTALL NO. 2 IDLER PULLEY(a) Install the idler pulley with the pulley bolt. Torque thepulley bolt. Torque: 34 N Vm (350 kgf Vcm, 25 ft Vlbf) (b) Check that the idler pulley moves smoothly. 4.

Page 2248 of 4087

LEXUS SC300 1991 Service Repair Manual 7. INSTALL NO.1 TIMING BELT COVER(a) Install the gasket to the timing belt cover. (b) Install the timing belt cover with the four bolts. 8. INSTALL HYDRAULIC PUMP (a) Install the hydraulic pump
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