Installation Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Installation Procedure
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Cooler Fittings
    GM71418Courtesy of GENERAL MOTORS CORP.
  1. Install the TOC front pipes to the vehicle (through the top of the vehicle).

    Finesse the pipes into position.

  2. Raise the vehicle.
  3. Remove the caps from the rear of the TOC front pipes and remove the plugs from the junction fittings at the engine flywheel housing.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. ALIGN and HAND-START, then tighten ONLY by hand to seat the TOC front upper and lower pipe fittings to the junction fittings at the engine flywheel housing.

    Tighten:  Tighten the transmission oil cooler front upper and lower pipe fittings to the junction at the engine flywheel housing to 27 N.m (20 lb ft).

  5. Install the TOC front pipe rear retaining clamp and bolt.

    Tighten:  Tighten the transmission oil cooler front pipe rear retaining clamp bolt to 2.2 N.m (19 lb in).

  6. Fig 2: TOC Front Pipe, Front Retaining Clamp & Bolt
    GM71419Courtesy of GENERAL MOTORS CORP.
  7. Install the TOC front pipe front retaining clamp and bolt.

    Tighten:  Tighten the transmission oil cooler front pipe front retaining clamp bolt to 12 N.m (106 lb in).

  8. Fig 3: TOC Front Pipe & Front Clip
    GM71420Courtesy of GENERAL MOTORS CORP.
  9. Install the TOC front pipe front clip.
  10. Fig 4: BPMV Bracket, PS Gear, Mounting Bolts & Nuts
    GM65352Courtesy of GENERAL MOTORS CORP.
  11. Install the right hand engine mount (and bracket). Refer to Engine Mount Replacement - Right in Engine Mechanical - 5.7L.
  12. Lower the vehicle; leave the vehicle on the hoist.
  13. Remove the J 41803  and the J 28467-B  .
  14. Install the generator. Refer to Generator Replacement in Engine Electrical.
  15. Install the A/C compressor bracket. Refer to Compressor Mounting Bracket Replacement in Heating, Ventilation, and Air Conditioning.
  16. Position the PS gear and cooler to the front suspension crossmember.
  17. Install the BPMV bracket. Refer to Brake Pressure Modulator Valve (BPMV) Bracket Replacement in Antilock Brake System.
  18. Install the PS gear mounting bolts and nuts.

    Tighten:  Tighten the power steering gear mounting nuts to 100 N.m (74 lb ft).

  19. Fig 5: PS Cooler & Retaining Bolts
    GM65353Courtesy of GENERAL MOTORS CORP.
  20. Install the PS cooler retaining bolts.

    Tighten:  Tighten the power steering cooler retaining bolts to 11 N.m (97 lb in).

  21. Fig 6: Intermediate Shaft Lower Coupling & Bolt
    GM70108Courtesy of GENERAL MOTORS CORP.
  22. Connect the intermediate shaft lower coupling to the PS gear; be sure that the intermediate shaft and the PS gear steering shaft are orientated as marked prior to disconnecting them.

    Slide the intermediate shaft lower coupling onto the PS gear steering shaft.

  23. Install the intermediate shaft lower coupling bolt.

    Tighten:  Tighten the steering column intermediate shaft lower coupling bolt to 34 N.m (25 lb ft).

  24. Install the intermediate shaft lower coupling shield.
  25. Lower the vehicle.
  26. Fig 7: Tie-Off Retainer, AC Condenser & Radiator
    GM298128Courtesy of GENERAL MOTORS CORP.
  27. Remove the tie-off retainer and carefully pivot the AC condenser and the radiator back into position.
  28. Fig 8: Radiator Outlet Hose & Radiator Outlet
    GM64026Courtesy of GENERAL MOTORS CORP.
  29. Install the radiator outlet hose to the radiator outlet.
  30. Using J 38185  , position the radiator outlet hose clamp onto the radiator outlet.
  31. Fig 9: Radiator Inlet Hose & Radiator Inlet
    GM64025Courtesy of GENERAL MOTORS CORP.
  32. Install the radiator inlet hose to the radiator inlet.
  33. Using J 38185  , position the radiator inlet hose clamp onto the radiator inlet.
  34. Fig 10: Surge Tank Upper Hose & Radiator Inlet
    GM179287Courtesy of GENERAL MOTORS CORP.
  35. Install the surge tank upper hose to the radiator inlet.
  36. Using J 38185  , position the coolant surge tank upper hose clamp onto the radiator inlet.
  37. Fig 11: Compressor Hose & Condenser
    GM82073Courtesy of GENERAL MOTORS CORP.
  38. Install the compressor hose to the condenser.
  39. Fig 12: Disassembling/Reassembling A/C Line Fittings
    GM297225Courtesy of GENERAL MOTORS CORP.
  40. Using a back-up wrench on the condenser fitting (2), tighten the compressor hose fitting (1) to the condenser.

    Tighten:  Tighten the fitting to 24 N.m (17 lb ft).

  41. Fig 13: Front Evaporator Tube & Condenser Bolt
    GM297294Courtesy of GENERAL MOTORS CORP.
  42. Connect the front evaporator tube to the condenser.
  43. Install the front evaporator tube to condenser bolt.

    Tighten:  Tighten the front evaporator tube bolt to 27 N.m (20 lb ft).

  44. Install the upper and lower radiator support. Refer to Radiator Support Replacement in Engine Cooling.
  45. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls.
  46. Fig 14: TOC Connection & J 44827
    GM795414Courtesy of GENERAL MOTORS CORP.
  47. Connect the upper TOC line to the oil cooler using the following steps:
    1. Push the TOC pipe into the quick connect fitting, until a click is heard.
    2. Tug gently in the TOC line to ensure a proper connection.
  48. Position the plastic retainer over the connection.
  49. Raise the vehicle.
  50. Connect the lower TOC line to the oil cooler using the following steps:
    1. Push the TOC pipe into the quick connect fitting, until a click is heard.
    2. Tug gently in the TOC line to ensure a proper connection.
  51. Position the plastic retainer over the connection.
  52. Lower the vehicle.
  53. Fig 15: Identifying Battery Negative Cable
    GM513056Courtesy of GENERAL MOTORS CORP.
  54. Connect the negative battery cable.

    Tighten:  Tighten the negative battery cable bolt to 15 N.m (11 lb ft).

  55. Fill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
  56. Recharge the AC system. Refer to Refrigerant Recovery and Recharging in Heating, Ventilation, and Air Conditioning.
  57. Check the transmission fluid level. Add if necessary.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.