LEXUS LS430 2003 Factory Repair Manual

Fig. 150: Identifying Front Bearing Cap
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
10. Push in the camshaft settin
g oil seal.

Fig. 151: Pushing Camshaft Setting Oil Seal
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
11. Install a new seal washer to the bearing cap bolts (A and B).
12. Apply a light coat of engine oil on the threads and under the heads of the bearing cap bolts
(D and E).
Bolt length:
94 mm (3.70 in.) for A with seal washer
72 mm (2.83 in.) for B with seal washer
25 mm (0.98 in.) for C
52 mm (2.05 in.) for D
38 mm (1.50 in.) for E

13. Install the oil feed pipe and the 22 bearing cap bolts as shown in the illustration.
Fig. 152: Identifying Bearing Cap Bolts

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14. Uniformly tighten the 22 bearing cap bolts in several passes in the sequence shown in the
illustration.
Torque:
7.5 N.m (77 kgf.cm, 66 in.lbf) for bolt 21 and 22
16 N.m (163 kgf.cm, 12 ft.lbf) for others

Fig. 153: Tightening Bearing Cap Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
15. Remove the service bolt.
63.INSTALL NO.3 CAMSHAFT SUB-ASSY

Fig. 154: Removing Service Bolt
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a. Check the set key of the crankshaft is at the position of 90° counterclockwise from the timing mark
(1 dot mark) of the oil pump body.

Fig. 155: Identifying Crankshaft Position Checking Setting Key
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Install the camshafts of the LH bank.
1. Apply MP grease to the thrust portion of the camshafts.
2. Align the timing marks (2 dot marks each) of the camshaft drive and driven main gears, and place
the 2 camshafts.

Fig. 156: Aligning Timing Marks
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3. Apply seal packing to the camshaft housing plug.
Remove the old packing (FIPG) material.
Apply seal packing to the housing plug.
Seal packing: Part No. 08826-00080 or equivalent

Fig. 157: Applying Seal Packing To Camshaft Housing Plug
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4. Install the camshaft housing plug to the cylinder head as shown in the illustration.
5. Install the oil control valve filter to the cylinder head.

Fig. 158: Installing Camshaft Housing Plug
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
6. Apply seal packing to the front bearing cap.
Remove any old packing (FIPG) material and be care not to drop any oil on the contact
surfaces of the bearing cap and cylinder head.
Using a razor blade and gasket scraper, remove all the old packing (FIPG) material from the
gasket surfaces and groove.
Thoroughly clean all components to remove all loose material.
Using a non-residue solvent, clean both sealing surfaces.
Apply seal packing to the bearing cap as shown in the illustration.
Install a nozzle that has its opening cut to 1.5 to 2.0 mm (0.059 to 0.79 in.).
Parts must be assembled within 5 minutes of application. Otherwise the material must be
removed and reapplied.
Immediately remove the nozzle from the tube and reinstall the cap.
Seal packing: Part No. 08826-00080 or equivalent

Fig. 159: Applying Seal Packing To Front Bearing Cap
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
7. Install the front bearing cap.
HINT:
Installing the front bearing cap will determine the thrust portion of the camshaft.
8. Install the other bearin
g cap in the sequence shown with the arrow mark facing forward.