How To replace Intake Manifold on Mercedes Benz?

Intake manifold replacing on Mercedes Benz.Removal and installation procedure for Mercedes intake manifold.
this procedure will work for all types of Mercedes Benz truck model vehicles.

Intake Manifold replacing procedure is as follows:---

1. Before servicing the vehicle, refer to the Precautions section.
2. Remove or disconnect the following:
   
   
   Negative battery cable

   Cylinder head cover

   Mass Air Flow (MAF) sensor with the intake pipe
3. Properly relieve the fuel system pressure.
   
   
   Fuel rail with the injectors

   Vacuum lines from the intake manifold

   All electrical connections to the intake manifold

   Exhaust Gas Recirculation (EGR) valve

   Combination valve

   Intake manifold mounting bolts

   Intake manifold and gaskets
4. Place clean shop rags into the intake passages to prevent dirt from entering. Clean the gasket mating surfaces.

Fig. Exploded view of the intake manifold and related components-3.2L and 3.7L engines shown; 4.3L and 5.0L similar

To install:

1. Install the new gaskets and verify the secondary air injection passage opening in the gasket.
2. Remove the shop rags from the intake passages.
3. Install or connect the following:
   
   
   Intake manifold to the engine and tighten the mounting bolts to 15 ft. lbs. (20 Nm)

   Combination valve and tighten the bolts to 15 ft. lbs. (20 Nm)

   EGR valve

   Electrical connections to the intake manifold

   Vacuum lines to the manifold

   Fuel rail with the injectors

   MAF sensor with the air intake pipe

   Cylinder head cover and tighten the bolts to 88 inch lbs. (10 Nm)

   Negative battery cable
4. Read fault memory, encode the radio and normalize the power windows.
5. Start the vehicle and check for leaks.

1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
2. Remove or disconnect the following:
   
   
   Negative battery cable

   Cylinder head cover

   Mass Air Flow (MAF) sensor with the intake pipe
3. Properly relieve the fuel system pressure.
   
   
   Fuel rail with the injectors

   Vacuum lines from the intake manifold

   All electrical connections to the intake manifold

   Exhaust Gas Recirculation (EGR) valve

   Combination valve

   Intake manifold mounting bolts

   Intake manifold and gaskets
4. Place clean shop rags into the intake passages to prevent dirt from entering. Clean the gasket mating surfaces. 
   
   
   
   Fig. Exploded view of the intake manifold and related components-3.2L engine shown

To install:

1. Install the new gaskets and verify the secondary air injection passage opening in the gasket.
2. Remove the shop rags from the intake passages.
3. Install or connect the following:
   
   
   Intake manifold to the engine and tighten the mounting bolts to 15 ft. lbs. (20 Nm)

   Combination valve and tighten the bolts to 15 ft. lbs. (20 Nm)

   EGR valve

   Electrical connections to the intake manifold

   Vacuum lines to the manifold

   Fuel rail with the injectors

   MAF sensor with the air intake pipe

   Cylinder head cover and tighten the bolts to 88 inch lbs. (10 Nm)

   Negative battery cable
4. Read fault memory, encode the radio and normalize the power windows.
5. Start the vehicle and check for leaks.

1. Before servicing the vehicle, refer to the Precautions section.
2. Remove or disconnect the following:
   
   
   Negative battery cable

   Cylinder head cover

   Mass Air Flow (MAF) sensor with the intake pipe
3. Properly relieve the fuel system pressure.
   
   
   Fuel rail with the injectors

   Vacuum lines from the intake manifold

   All electrical connections to the intake manifold

   Exhaust Gas Recirculation (EGR) valve

   Combination valve

   Intake manifold mounting bolts

   Intake manifold and gaskets
4. Place clean shop rags into the intake passages to prevent dirt from entering. Clean the gasket mating surfaces. 
   
   
   
   Fig. Exploded view of the intake manifold and related components-M112 engines shown; M113 similar

To install:

1. Install the new gaskets and verify the secondary air injection passage opening in the gasket.
2. Remove the shop rags from the intake passages.
3. Install or connect the following:
   
   
   Intake manifold to the engine and tighten the mounting bolts to 15 ft. lbs. (20 Nm)

   Combination valve and tighten the bolts to 15 ft. lbs. (20 Nm)

   EGR valve

   Electrical connections to the intake manifold

   Vacuum lines to the manifold

   Fuel rail with the injectors

   MAF sensor with the air intake pipe

   Cylinder head cover and tighten the bolts to 88 inch lbs. (10 Nm)

   Negative battery cable
4. Read fault memory, encode the radio and normalize the power windows.
5. Start the vehicle and check for leaks.

These details will help.

Thanks.

FOR MORE HELP GO TO: ---

Car repair guide?

http://technoanswers.blogspot.in/2012/03/car-repair-guide.html