Timing Chain Cover and Seal removal on 2006 Chevrolet Cobalt?

Timing Chain Cover & Seal

Removal & Installation

2.0L & 2.2L Engines

1. Before servicing the vehicle, refer to the Precautions Section.
2. Remove or disconnect the following:
   
   
   The crankshaft damper. Refer to Crankshaft Damper removal and installation

   The drive belt tensioner

   The idler pulley
   
   

   

   

   Fig. Removing long water pump bolt and remaining cover bolts

   The timing chain cover to water pump bolt

   The remaining cover bolts

   The engine timing chain front cover
3. If the seal is damaged, remove the front engine mount and seal.

To install:

1. If removed, install a new seal.
2. Install the front engine mount.
3. Install or connect the following:
   
   
   The timing chain front cover

   The cover bolts. Tighten the cover bolts to 18 ft. lbs. (25 Nm)

   The water pump bolt. Tighten the water pump bolt to 18 ft. lbs. (25 Nm)

   The idler pulley. Tighten the bolts to 18 ft. lbs. (25 Nm)

   The drive belt tensioner

   The drive belt tensioner bolts. Tighten the drive belt tensioner bolts to 33 ft. lbs. (45 Nm)

   The crankshaft damper. Refer to Crankshaft Damper removal and installation.

2.4L Engine

1. Before servicing the vehicle, refer to the Precautions Section.
2. Remove or disconnect the following:
   
   
   The drive belt tensioner

   The crankshaft damper

   The air cleaner assembly.

   The windshield washer solvent reservoir
   
   

   

   

   Fig. Place the engine support fixture legs (1) from the J 28467-B across the engine compartment and install the engine support fixture legs (1) from the J 28467-500 on the engine support fixture long bar (2)-2.4L engine
3. Install the engine support fixture:
   1. Place the engine support fixture legs (1) from the J 28467-B across the engine compartment.
   2. Install the engine support fixture legs (1) from the J 28467-500 on the engine support fixture long bar (2).
   3. Install the radiator shelf tube J-28467-2A (1) on top of the strut tower tube J-28467-3 (2) above the engine front (right back) lift hook bracket.
   4. Install the round tube of the front support assembly J-28467-4A (3) through the large hole in the radiator shelf tube J-28467-2A.
   5. Position the J-28467-4A front support assembly on to the upper tie bar.
   6. Install the J-28467-9 7/16 inch x 2.0 inch quick-release pin (4) through the top hole in the J- 28467-4A front support assembly.
      
      
      

      

      Fig. Install the J-28467-1A cross bracket assembly (1) and hand tighten the J-28467-1A cross bracket wing nuts (2)-2.4L engine
      
      
      
      

      

      Fig. View of the J-28467-7A bolt hook and the J-28467-34 lift hook wing nut and washer for installing the engine support fixture-2.4L engine
   7. Install the J-28467-1A cross bracket assembly (1).
   8. Hand tighten the J-28467-1A cross bracket wing nuts (2).
   9. Install the J-28467-7A bolt hook through the J-28467-6A bracket.
   10. Install the J-28467-34 lift hook wing nut and washer to the J-28467-7A lift hook.
   11. Repeat the previous 2 steps in order to assemble 2 lift hooks and brackets.
       
       
       

       

       Fig. Installing lift hook and bracket assemblies to the engine support fixture long bar, lift hook, and bracket assembly to the J-28467-2A radiator shelf tube-2.4L engine
   12. Install one of the lift hook and bracket assemblies (1) to the engine support fixture long bar (2).
   13. Install the other lift hook and bracket assembly (3) to the J-28467-2A radiator shelf tube (4) above the engine front lift bracket.
       
       
       

       

       Fig. Install the lift hook J-28467-7A through the engine rear lift bracket (2)-2.4L engine
   14. Install the lift hook J-28467-7A through the engine rear lift bracket (2).
       
       
       

       

       Fig. Install the lift hook J-28467-7A (3) through the engine front lift bracket (4)-2.4L engine
   15. Install the lift hook J-28467-7A (3) through the engine front lift bracket (4).
   16. Hand tighten the lift hook wing nuts J-28467-34 in order to remove all slack from the engine support fixture assembly.
4. Remove or disconnect the following:
   
   
   The engine mount to bracket bolts

   The engine mount to side rail nuts

   The engine mount from the engine compartment
   
   

   

   

   Fig. Removing the engine mount bracket to engine bolts-2.4L engine

   The engine mount bracket to engine bolts

   The engine mount bracket

   The engine front cover to water pump bolt
   
   

   

   

   Fig. Removing long water pump bolt and remaining cover bolts
5. Raise and suitably support the vehicle.
6. Remove the timing chain cover bolts.
7. Remove the timing chain cover.
8. Remove and discard the timing chain cover seal.

To install:

1. Install a NEW timing chain cover seal.
2. Install the timing chain cover.
3. Install the timing chain cover bolts. Tighten the bolts to 18 ft. lbs. (25 Nm).
4. Lower the vehicle.
5. Install the timing chain cover to water pump bolt. Tighten the bolt to 18 ft. lbs. (25 Nm).
6. Position the engine mount bracket to the engine.
7. Install the engine mount bracket bolts in the following locations:
   1. The long bolts in the forward and lower rear holes.
   2. The short bolt in the upper rear hole.
8. Tighten the engine mount bracket bolts in the following sequence:
   1. Upper rear.
   2. Lower rear.
   3. Forward..
   4. Tighten the bolts to 37 ft. lbs. (50 Nm).
9. Install the engine mount to the engine compartment.
10. Install the engine mount to side rail nuts. Tighten the nuts to 74 ft. lbs. (100 Nm).
11. Install the engine mount to bracket bolts.
12. Tighten the engine mount to bracket bolts in the following sequence:
    1. Middle.
    2. Rear.
    3. Front.
    4. Tighten the bolts to 37 ft. lbs. (50 Nm).
13. Remove the engine support fixture. Removal is reverse of the installation.
14. Install or connect the following:
    
    
    The windshield washer solvent reservoir

    The air cleaner assembly

    The crankshaft damper. Refer to Crankshaft Damper removal and installation

    The accessory drive belt tensioner