2003 GMC Sierra 1500 HD Radiator & Hose Replacement (ONLINE REPAIR MANUALS)

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 GMC Sierra 1500 HD AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported 2003 GMC Sierra 1500 HD cars and light trucks from 1990+

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 GMC Sierra 1500 HD 6.0 V8 GAS

Inlet

  • Drain cooling system into a suitable container.
  • Remove air intake tube.
  • Remove heater and surge tank hose from mounting clip.
  • Reposition heater core inlet hose clamp at engine coolant inlet fitting.
  • Remove hose from engine coolant inlet fitting.
  • Reposition heater hose inlet clamp at heater core.
  • Remove heater inlet hose from ...

CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sierra 1500 HD RADIATOR & HOSE REPLACEMENT PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 GMC Sierra 1500 HD AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported 2003 GMC Sierra 1500 HD cars and light trucks from 1990+

Radiator, Replace
Vehicle: 2003 GMC Sierra 1500 HD 6.0 V8 GAS

  • Drain radiator coolant into suitable container.
  • Remove upper and lower radiator hoses.
  • Remove mounting bolts and lower fan shroud.
  • Remove engine vent hose and surge take hose.
  • Disconnect engine oi...

CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sierra 1500 HD RADIATOR & HOSE REPLACEMENT PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 GMC Sierra 1500 HD AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported 2003 GMC Sierra 1500 HD cars and light trucks from 1990+

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 GMC Sierra 1500 HD 6.0 V8 GAS

Lower

  • Drain cooling system into a suitable container.
  • Separate mass airflow (MAF)/intake air temperature (IAT) sensor assembly and air inlet tube by loosening hose clamp.
  • Disconnect radiator inlet hose clip from air cleaner outlet duct.
  • Remove air cleaner outlet duct.
  • Reposition radiator outlet hose clamp at radiator.
  • Remove radiator outlet hose from radiator.
  • Reposition hose clamp from water pump.
  • Remove radiator outlet hose from water pump and from vehicle.
  • Reverse procedure to install.

Upper

  • D...

CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sierra 1500 HD RADIATOR & HOSE REPLACEMENT PROCEDURES

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