2003 LEXUS LS430 Identifying ac

Fig. 183: Identifying Applying Seal Packing
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c. Install the 4 semicircular plugs to the cylinder heads as shown in the illustration.

Fig. 184: Identifying Cylinder Heads

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.

Fig. 217: Identifying Bearing Cap Bolts
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7.REMOVE CAMSHAFT TIMING TUBE ASSY

Fig. 239: Identifying Bearing Cap Bolts
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11. Install 4 new seal washers to the bearing cap bolts (1 to 4).
12. Apply a light coat of engine oil on the threads and under the heads of the bearing cap bolts (5 to
22).
13. Install the oil feed pipe with the 22 bearing cap bolts.
14. Uniformly tighten the 22 bearing cap bolts in several passes in the sequence shown in the
illustration.
Torque:
<001a0011001800030031001100500003000b001a001a0003004e004a0049001100460050000f0003001900190003004c005100110011004f00450049000c0003004900520055000300450052004f0057005600030015001400030044005100470003001500
15[
16 N.m (163 kgf.cm, 12 ft.lbf) for others

eliminated by the above operation.
Fig. 246: Identifying Bearing Cap Bolts

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c. Set the timing mark (2 dot marks) of the camshaft main gear at an angle of approximately 10° by
turning the hexagon wrench head portion of the exhaust camshaft with a wrench.

Fig. 268: Identifying Bearing Cap Bolts
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j. Push in the camshaft oil seal.

Fig. 275: Identifying Cylinder Head Bolts
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15.REMOVE CYLINDER HEAD SUB-ASSY
a. Remove the bolt, and disconnect the wire clamp bracket on the engine wire from the camshaft
bearing cap.
b. Remove the EVAP from the cylinder head cover sub-assy.
c. Remove the 9 bolts, 9 seal washers, c
ylinder head cover sub-assy and gasket.