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John
John, Master A.S.E Automotive technician
Category: Chevy
Satisfied Customers: 9176
Experience:  A.S.E MasterTechnician A1-A8 w/L1,38 years experience General Motors Master Technician
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Chevrolet Silverado 2500 HD LT tips for changing trans cooler

This answer was rated:

tips for changing trans cooler lines on 2006 silverado hd with duramax and allison

Hello & Welcome to JA,

 

Which transmission do you have ? 4L60/80E or Allison

Customer: replied 6 years ago.
allison

Look over this information ,it should help you. If you need more assistance ,just ask.

This is extensive & a pretty tough job.

 

Transmission Fluid Cooler Hose/Pipe Replacement

  1. Remove the radiator grille. Object Number:(NNN) NNN-NNNN Size: SH

  2. Remove the transmission fluid cooler hose from the auxiliary oil cooler (1). Remove the air cleaner assembly.
    Object Number:(NNN) NNN-NNNN Size: SH

  3. Remove the transmission fluid cooler hose from the radiator (1). Raise the vehicle. .
  4. Remove the front bumper.
  5. Remove the engine protection shield. Remove the charge air cooler outlet hose. Remove the transmission fluid cooler hose from the radiator (2). 10. Disconnect Transmission Cooler Lines from clips, if equipped.
    Object Number:(NNN) NNN-NNNN Size: SH

  6. Remove the cooling lines from the transmission (1). Object Number:(NNN) NNN-NNNN Size: SH

  7. Remove the cooling lines from the transmission (2). Remove the oil cooling line (1) that runs from the transmission to auxiliary oil cooler out the front of the vehicle.


    Object Number:(NNN) NNN-NNNN Size: SH

  1. Install the transmission oil cooler line (1) that runs from the transmission to auxiliary oil cooler out the front of the vehicle.
  2. Install the transmission oil cooler line (2) that runs from the transmission to auxiliary oil cooler out the front of the vehicle.
  3. Connect the cooling lines to the transmission (1).
  4. Connect Transmission Cooler Lines into clips, if equipped.
    Object Number:(NNN) NNN-NNNN Size: SH

  5. Install the transmission fluid cooler hose to the radiator (2). Install the charge air cooler outlet hose.
  6. Install the engine protection shield. Install the front bumper.
  7. Lower the vehicle.
    Object Number:(NNN) NNN-NNNN Size: SH

  8. Install the transmission fluid cooler hose to the radiator (1). Install the air cleaner assembly. Object Number:(NNN) NNN-NNNN Size: SH

  9. Install the transmission fluid cooler hose to the auxiliary oil cooler (1). Install the radiator grille. .
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