Page 3497 of 4500
Fig. 213: Identifying Cylinder Valve And Piston
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4.REMOVE CAMSHAFT TIMING PULLEY
a. Remove the 4 bolts and timin
g pulley.
Page 3498 of 4500
Fig. 214: Removing Camshaft Timing Pulley
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5.REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSY
6.REMOVE CAMSHAFT
a. Bring the service bolt hole of the sub gear upward by turning the hexagon wrench head portion of
the exhaust camshaft with a wrench.
b. Secure the sub gear to the main gear with a service bolt.
RECOMMENDED SERVICE BOLT:
RECOMMENDED SERVICE BOLT
Thread diameter6 mm
Thread pitch1.0 mm
Page 3499 of 4500
Fig. 215: Removing Service Bolt
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HINT:
<003a004b00480051000300550048005000520059004c0051004a00030057004b004800030046004400500056004b004400490057000f000300500044004e00480003005600580055004800030057004b0044005700030057004b0048000300570052005500
56004c005200510044004f0003005600530055004c0051004a[ force of the sub-gear has been
eliminated by the above operation.
c. Set the timing mark (1 dot mark) of the camshaft main gear at an angle of approximately 10° by
turnin
g the hexagon wrench head portion of the exhaust camshaft with a wrench.
Bolt length16 to 20 mm (0.63 to 0.79 in.)
Page 3500 of 4500
<0029004c004a00110003001500140019001d00030036004800570057004c0051004a00030037004c0050004c0051004a0003003000440055004e00030032004900030026004400500056004b004400490057000300300044004c00510003002a0048004400
55[
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Uniformly loosen the 22 bearing cap bolts in several passes in the sequence shown in the
illustration.
e. Remove the 22 bearing cap bolts, 4 seal washers, oil feed pipe, 9 bearing caps, camshaft housing
plug, oil control valve filter and 2 camshafts.
Page 3501 of 4500
Fig. 217: Identifying Bearing Cap Bolts
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7.REMOVE CAMSHAFT TIMING TUBE ASSY
Page 3502 of 4500
Fig. 218: Mounting Hexagon Wrench Head Portion Of Intake Camshaft In A Vise
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Mount the hexagon wrench head portion of the intake camshaft in a vise.
b. Remove the screw plug and seal washer.
c. Using a 10 mm hexagon wrench, remove the bolt.
d. Pull out the timin
g tube and drive gear assembly from the camshaft.
Page 3503 of 4500
Fig. 219: Removing Bolts Using Hexagon Wrench
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
e. Using SST and a 5 mm hexagon wrench, remove the 4 bolts, drive gear and oil seal.
SST 09960-10010 (09962-01000, 09963-00500)
Page 3504 of 4500
Fig. 220: Removing Bolts, Drive Gear And Oil Seal Using SST
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
8.REMOVE CAMSHAFT SUB GEAR
a. Mount the hexagon wrench head portion of the camshaft in a vise.