Lexus ES manuals

Lexus ES: Installation

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / A25a-fxs (engine Control) / Camshaft Timing Control Motor / Installation

INSTALLATION

CAUTION / NOTICE / HINT

NOTICE:

This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

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PROCEDURE

1. INSTALL CAM TIMING CONTROL MOTOR O-RING

(a) Install a new cam timing control motor O-ring to the No. 2 timing gear cover assembly with the protrusion of the cam timing control motor O-ring oriented as shown in the illustration.

*a

Protrusion

2. INSTALL CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY

HINT:

Perform "Inspection After Repair" after removing and installing, or replacing the cam timing control motor with EDU assembly.

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(a) Turn the cutout of the camshaft timing gear assembly eccentric shaft counterclockwise by hand, and set it to the maximum retard angle position.

HINT:

  • If a camshaft lobe is opening a valve, the eccentric shaft will be difficult to turn.
  • When the cutout of the camshaft timing gear assembly eccentric shaft cannot be turned any farther, it is set to the maximum retard angle.

*a

Cutout

(b) Install the cam timing control motor with EDU assembly to the No. 2 timing gear cover assembly.

NOTICE:

  • When installing, align the joints of the cam timing control motor with EDU assembly with the cutouts of the camshaft timing gear assembly eccentric shaft.
  • Align the pin holes of the cam timing control motor with EDU assembly with the knock pins of the No. 2 timing gear cover assembly when installing the cam timing control motor with EDU assembly.
  • Make sure the contact surface of the cam timing control motor with EDU assembly (the surface that contacts the No. 2 timing gear cover assembly) is free of foreign matter.
  • When installing the cam timing control motor with EDU assembly, do not use excessive force.
  • If the cam timing control motor with EDU assembly has been struck or dropped, replace it.
  • Do not disassemble the cam timing control motor with EDU assembly. If disassembled, replace it.

*a

Joint

*b

Cutout

*c

Pin Hole

*d

Knock Pin

(c) Install the 3 bolts.

Torque:

21 N·m {214 kgf·cm, 15 ft·lbf}

(d) Connect the cam timing control motor with EDU assembly connector.

3. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL

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4. INSPECT FOR ENGINE OIL LEAK

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5. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY

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6. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after removing and installing, or replacing the cam timing control motor with EDU assembly.

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