Mercedes-Benz Truck 2000-05

Exhaust Manifold

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Removal & Installation



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

    Negative battery cable
     
    Front wheels
     
    Plastic inner fender liners
     
    Exhaust manifold heat shields
     

  4.  


NOTE
If the bolts are difficult to remove or the threads show signs of damage, replace the rivet nuts in the manifold.



Exhaust system-to-manifold flanged connection mounting bolts
 
Front exhaust pipe at the transmission exhaust bracket
 
Exhaust manifold-to-cylinder head mounting bolts
 
Exhaust manifold
 

  1. Clean the gasket mating surfaces.
  2.  

To install:

  1. Install or connect the following:

    Exhaust manifold using new gaskets and nuts. tighten the nuts to 12 ft. lbs. (16 Nm).
     
    Front exhaust pipe to the transmission exhaust bracket
     
    Exhaust system to the manifolds and tighten the mounting bolts to 15 ft. lbs. (20 Nm)
     
    Exhaust manifold heat shields
     
    Plastic inner fender liners
     
    Front wheels and tighten the lug bolts to 110 ft. lbs. (150 Nm)
     
    Negative battery cable
     

  2.  
  3. Read fault memory, encode the radio and normalize the power windows.
  4.  
  5. Start the vehicle and check for leaks.
  6.  

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Remove or disconnect the following:
    NOTE
    If the bolts are difficult to remove or the threads show signs of damage, replace the rivet nuts in the manifold.



    Negative battery cable
     
    Front wheels
     
    Plastic inner fender liners
     
    Exhaust manifold heat shields
     



    Exhaust system-to-manifold flanged connection mounting bolts
     
    Front exhaust pipe at the transmission exhaust bracket
     
    Exhaust manifold-to-cylinder head mounting bolts
     
    Exhaust manifold
     

  4.  
  5. Clean the gasket mating surfaces.

    Click image to see an enlarged view

    Fig. Component view of the left-hand exhaust manifold-3.2L engine shown



    Click image to see an enlarged view

    Fig. Component view of the right-hand exhaust manifold-3.2L engine shown

  6.  

To install:

  1. Install or connect the following:

    Exhaust manifold using new gaskets and nuts. Tighten the nuts to 12 ft. lbs. (16 Nm).
     
    Front exhaust pipe to the transmission exhaust bracket
     
    Exhaust system to the manifolds and tighten the mounting bolts to 15 ft. lbs. (20 Nm)
     
    Exhaust manifold heat shields
     
    Plastic inner fender liners
     
    Front wheels and tighten the lug bolts to 110 ft. lbs. (150 Nm)
     
    Negative battery cable
     

  2.  
  3. Read fault memory, encode the radio and normalize the power windows.
  4.  
  5. Start the vehicle and check for leaks.
  6.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:
    NOTE
    If the bolts are difficult to remove or the threads show signs of damage, replace the rivet nuts in the manifold.



    Negative battery cable
     
    Front wheels
     
    Plastic inner fender liners
     
    Exhaust manifold heat shields
     



    Exhaust system-to-manifold flanged connection mounting bolts
     
    Front exhaust pipe at the transmission exhaust bracket
     
    Exhaust manifold-to-cylinder head mounting bolts
     
    Exhaust manifold
     

  4.  
  5. Clean the gasket mating surfaces.
  6.  

To install:

  1. Install or connect the following:

    Exhaust manifold using new gaskets and nuts. Tighten the nuts to 12 ft. lbs. (16 Nm).
     
    Front exhaust pipe to the transmission exhaust bracket
     
    Exhaust system to the manifolds and tighten the mounting bolts to 15 ft. lbs. (20 Nm)
     
    Exhaust manifold heat shields
     
    Plastic inner fender liners
     
    Front wheels and tighten the lug bolts to 110 ft. lbs. (150 Nm)
     
    Negative battery cable
     

  2.  
  3. Read fault memory, encode the radio and normalize the power windows.
  4.  
  5. Start the vehicle and check for leaks.
  6.  

 
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