Toyota Avalon Service & Repair Manual: Camshaft Oil Control Valve

Components

COMPONENTS

ILLUSTRATION

*1	CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (EXHAUST CAMSHAFT TIMING GEAR BOLT ASSEMBLY)	-	-
	N*m (kgf*cm, ft.*lbf): Specified torque	-	-

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 CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (EXHAUST CAMSHAFT TIMING GEAR BOLT ASSEMBLY)

(a) Apply a light coat of engine oil to the O-ring of the camshaft timing oil control valve assembly (exhaust camshaft timing gear bolt assembly). NOTICE: If reusing the camshaft timing oil control valve assembly (exhaust camshaft timing gear bolt assembly), be sure to inspect the O-ring.

(b) Temporarily install the camshaft timing oil control valve assembly (exhaust camshaft timing gear bolt assembly) to the camshaft timing exhaust gear assembly.

NOTICE:

If the camshaft timing oil control valve assembly (exhaust camshaft timing gear bolt assembly) has been struck or dropped, replace it.

(c) Using a 5 mm hexagon socket wrench, install the camshaft timing oil control valve assembly (exhaust camshaft timing gear bolt assembly) with the bolt.

Torque:

19 N·m {194 kgf·cm, 14 ft·lbf}

2. INSTALL CAM TIMING OIL CONTROL SOLENOID ASSEMBLY

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On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY

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2. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (EXHAUST CAMSHAFT TIMING GEAR BOLT ASSEMBLY)

(a) Check the stroke of the plunger in the center of the camshaft timing oil control valve assembly (exhaust camshaft timing gear bolt assembly). Standard Stroke: 2.2 mm (0.0866 in.) or more If the result is not as specified, replace the camshaft timing oil control valve assembly (exhaust camshaft timing gear bolt assembly).

*a Plunger

3. INSTALL CAM TIMING OIL CONTROL SOLENOID ASSEMBLY

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Removal

REMOVAL

CAUTION / NOTICE / HINT

NOTICE:

This procedure includes the removal 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. REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY

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2. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (EXHAUST CAMSHAFT TIMING GEAR BOLT ASSEMBLY)

(a) Using a 5 mm hexagon socket wrench, remove the bolt. NOTICE: Do not remove the other 2 bolts. HINT: If it is difficult to loosen the bolt due to the tools contacting the vehicle body or other parts, rotate the crankshaft to move the bolt to a position where it can be removed easily.

*1 Camshaft Timing Oil Control Valve Assembly (Exhaust Camshaft Timing Gear Bolt Assembly) *a Bolt *b Do not remove

(b) Remove the camshaft timing oil control valve assembly (exhaust camshaft timing gear bolt assembly) from the camshaft timing exhaust gear assembly.