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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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Common on this vehicle:

remedyOil CoolerRemove

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ENGINE AND ENGINE COOLING1

  1. Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2024-02-29(2 earlier editions of this document folded here)

    Oil Cooler, Oil Cooler Lines, and Oil Tank Replacement Service Information

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Possible causes

      • Debris from a damaged rod or main bearing is sent directly through the oil galleries and the components in the lubrication circuit.

    3. 3Correction

      Repair

      1. Whenever an engine assembly is replaced for a connecting rod or crankshaft main bearing failure, also replace the oil cooler, oil cooler lines, oil tank and turbocharger, if equipped.
      2. If the oil cooler is part of the radiator assembly, the radiator must be replaced along with the other required components.

      Caution

      • Reinstalling an oil cooler or cooler line from an engine with bearing failure debris may carry remaining debris into the new service engine.
      • Some service engines come with the oil cooler and/or oil cooler lines already attached; those need not be replaced.
      • Not every engine with bearing damage requires the oil cooler, lines or oil tank, or even the engine, to be replaced.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to all GM passenger cars and trucks, 2000 through 2024, gasoline engines only.
    • Repair：Whenever an engine assembly is replaced for a connecting rod or crankshaft main bearing failure, also replace the oil cooler, oil cooler lines, oil tank and turbocharger, if equipped.
    • Repair：If the oil cooler is part of the radiator assembly, the radiator must be replaced along with the other required components.
    • Cause：Debris from a damaged rod or main bearing is sent directly through the oil galleries and the components in the lubrication circuit.
    • Caution：Reinstalling an oil cooler or cooler line from an engine with bearing failure debris may carry remaining debris into the new service engine.
    • Caution：Some service engines come with the oil cooler and/or oil cooler lines already attached; those need not be replaced.
    • Caution：Not every engine with bearing damage requires the oil cooler, lines or oil tank, or even the engine, to be replaced.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.

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