Exhaust Manifold Removal and Installation

REMOVAL AND INSTALLATION









- MB991614: Angle Sensor

INSTALLATION SERVICE POINTS

]]A[[ AIR INLET FITTING GASKET INSTALLATION





Install a new gasket so that the tab is positioned as shown in the illustration.

]]B[[ AIR OUTLET FITTING GASKET INSTALLATION





Install a new gasket so that the tab is positioned as shown in the illustration.

]]C[[ WATER PIPE B INSTALLATION





Make sure the bracket of water pipe "B" is inserted into the hole of turbocharger as shown in the illustration, and then install the eye bolt.
NOTE:
Be sure to install the gasket.

]]D[[ TURBOCHARGER AND PIPE ASSEMBLY INSTALLATION





1. Make sure the identification hole is properly in position as shown in the illustration, and then install the coned disc spring in the appropriate installation direction.
2. Tighten the bolts and nuts to the specified torque.
Specified torque: 29± 2Nm (21± 1 ft-lb)






3. Use special tool MB991614 to tighten bolts and nuts 65° ± 5°.

CAUTION:

- When the tightening angle is smaller than the specified tightening angle, the appropriate tightening capacity cannot be secured.
- When the tightening angle is larger than the specified tightening angle, remove the bolt and nut to start from the beginning again according to the procedure.

]]E[[ TURBOCHARGER BRACKET INSTALLATION





1. After temporarily tightening the turbocharger bracket with the installation bolts, check the exhaust manifold fastens securely to the cylinder block and the turbocharger.
2. Tighten the cylinder block side bolt to the specified tightening torque.
Specified torque: 51± 7Nm (38± 4 ft-lb)
3. Tighten the turbocharger side bolt to the specified tightening torque.
Specified torque: 64± 5Nm (47± 3 ft-lb)


]]F[[ OIL RETURN PIPE GASKET INSTALLATION





Install a new gasket so that the tab is positioned as shown in the illustration.

]]G[[ EXHAUST FITTING BRACKET INSTALLATION





1. After temporarily tightening the exhaust fitting bracket with the installation bolts, check the exhaust manifold fastens securely to the cylinder block and the exhaust fitting.
2. Tighten the cylinder block side bolt to the specified tightening torque.
Specified torque: 51± 7Nm (38± 4 ft-lb)
3. Tighten the exhaust fitting bracket side bolt to the specified tightening torque.
Specified torque: 64± 5Nm (47± 3 ft-lb)


]]H[[ TURBOCHARGER COMPRESSOR BRACKET INSTALLATION





1. After temporarily tightening the turbocharger compressor bracket with the installation bolts, check the exhaust manifold fastens securely to the cylinder block and the turbocharger.
2. Tighten the cylinder block side bolt to the specified tightening torque.
Specified torque: 51± 7Nm (38± 4 ft-lb)
3. Tighten the turbocharger side bolt to the specified tightening torque.
Specified torque: 51± 7Nm (38± 4 ft-lb)