Camshaft Exhaust Sprocket Replacement
Special Tool
EN-955-1 Fixing Pin from EN-955 Kit
For equivalent regional tools, refer to Special Tools .
Removal Procedure
- Open the bonnet.
- Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
- Remove the camshaft cover. Refer to Camshaft Cover Replacement .
- Remove the 2 camshaft position actuator solenoid valves. Refer to Camshaft Position Actuator Solenoid Valve Removal .
- Adjust the engine to TDC. Refer to Camshaft Timing Chain Inspection .
- Remove the timing chain tensioner plug (1) from the engine front cover.
- Install a wrench (1) to the hexagon of the intake camshaft and rotate it in direction of the arrow in order to apply tension to the timing chain and hold.
- Install the EN-955-1 pin (2) to the timing chain tensioner bore (1) to secure it in place.
- Remove the wrench from the intake camshaft.
- Remove the 2 upper timing chain guide bolts (1).
- Remove the upper timing chain guide (2).
- Loosen the intake camshaft sprocket bolt (2) while holding the hexagon of the intake camshaft with a wrench (1).
- Loosen the exhaust camshaft sprocket bolt while holding the hexagon of the exhaust camshaft with a wrench.
- Remove the 2 camshaft sprocket bolts (2) and the 2 camshaft position exciter wheels (1).
- Remove the 2 camshaft sprockets (2) along with the timing chain (1) and place it in the engine front cover.
- Remove the exhaust camshaft sprocket.
Installation Procedure
- Insert the exhaust camshaft sprocket to the engine front cover and timing chain.
- Install the 2 camshaft sprockets (2) along with the timing chain (1) to the camshafts.
- Install the 2 camshaft sprocket bolts (2) and the 2 camshaft position exciter wheels (1).
- Remove the EN-955-1 pin to apply tension to the timing chain.
Note: Engine must be adjusted to TDC.
- Tighten the 2 camshaft sprockets. Refer to Camshaft Timing Chain Adjustment .
- Remove all special tools for timing chain adjustment. Refer to Camshaft Timing Chain Adjustment .
- Install the upper timing chain guide (2).
Caution: Refer to Fastener Caution in the Preface section.
- Install the 2 upper timing chain guide bolts (1) and tighten to 8 N·m (71 lb in).
- Install the 2 camshaft position actuator solenoid valves. Refer to Camshaft Position Actuator Solenoid Valve Installation .
- Install the camshaft cover. Refer to Camshaft Cover Replacement .
- Install the timing chain tensioner plug and tighten to 50 N·m (37 lb ft).
- Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
- Check and correct engine oil level.
- Close the bonnet.
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