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For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC P42 Commercial Chassis 🢒 Engine 🢒 Engine Electrical 🢒 Engine Oil Cooler Hose/Pipe Replacement

Engine Oil Cooler Hose/Pipe Replacement L35

Removal Procedure

    Object Number: 386427 Size: SH
  1. Remove the lines from the engine oil cooler.
  2. Raise the vehicle. Support the vehicle with suitable safety stands. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the bolt from the engine oil cooler lines.
  4. Remove the lines from the support clip.

Installation Procedure
  1. Connect the lines to the support clip.

    2. Object Number: 386427 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the bolt to the engine oil cooler lines.

    3. Tighten
    Tighten the fittings to 35 N·m (26 lb ft).

  3. Lower the vehicle.
  4. Connect the engine oil cooler lines to the fittings at the oil cooler.

    5. Tighten
    Tighten the fittings to 24 N·m (18 lb ft).

Engine Oil Cooler Hose/Pipe Replacement L31

Removal Procedure

    Object Number: 386431 Size: SH
  1. Remove the lines from the oil cooler.
  2. Raise the vehicle. Support the vehicle with suitable safety stands. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the bolt from the engine oil cooler lines.
  4. Remove the lines from the support clip.

Installation Procedure
  1. Connect the lines to the support clip.

    2. Object Number: 386431 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the bolt in the engine oil cooler lines.

    3. Tighten
    Tighten the bolt to 35 N·m (26 lb ft).

  3. Lower the vehicle.
  4. Connect the lines to the fittings at the engine oil cooler.

    5. Tighten
    Tighten the fittings to 24 N·m (18 lb ft).

Engine Oil Cooler Hose/Pipe Replacement L29

Removal Procedure
  1. Raise the vehicle. Support the vehicle with suitable safety stands. Refer to Lifting and Jacking the Vehicle in General Information.

    2. Object Number: 386428 Size: SH
  2. Remove the lines from the auxiliary engine oil cooler.
  3. Remove the lines from the engine.
  4. Remove the lines from the support clip.

Installation Procedure
  1. Connect the lines to the support clip.

    2. Object Number: 386428 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Connect the lines to the auxiliary engine oil cooler.

    3. Tighten
    Tighten the fittings to 7.5 N·m (66 lb in).

    Important: You should hear a distinct snap when you assemble the tube fitting to the quick connector if the vehicle is so equipped. Make sure that the tube fitting fully inserts into the quick connector. Check this by giving a forceful pull to the fitting.

  3. Connect the lines to the fittings at the engine.
  4. Lower the vehicle.

Engine Oil Cooler Hose/Pipe Replacement L65

Removal Procedure
  1. Raise the vehicle. Support the vehicle with suitable safety stands. Refer to Lifting and Jacking the Vehicle in General Information.

    2. Object Number: 386366 Size: SH
  2. Remove the lines from the auxiliary engine oil cooler.
  3. Remove the lines from the engine.
  4. Remove the lines from the support clips.

Installation Procedure
  1. Connect the lines to the support clips.

    2. Object Number: 386366 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Connect the lines to the auxiliary engine oil cooler.

    3. Tighten
    Tighten the fittings to 7.5 N·m (66 lb in).

    Important: You should hear a distinct snap when you assemble the tube fitting to the quick connector if the vehicle is so equipped. Make sure that the tube fitting fully inserts into the quick connector. Check this by giving a forceful pull to the fitting.

  3. Connect the lines to the fittings at the engine.
  4. Lower the vehicle.

Engine Oil Cooler Hose/Pipe Replacement L57

Removal Procedure

    Object Number: 386424 Size: SH
  1. Remove the lines from the engine oil cooler.
  2. Raise the vehicle. Support the vehicle with suitable safety stands. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the lines from the fittings at the engine.
  4. Remove the lines from the support clips.

Installation Procedure

    Object Number: 386424 Size: SH
  1. Connect the lines to the support clips.

    2. Important: You should hear a distinct snap when you assemble the tube fitting to the quick connector if the vehicle is so equipped. Make sure that the tube fitting fully inserts into the quick connector. Check this by giving a forceful pull to the fitting.

  2. Connect the lines to the fittings at the engine.
  3. Lower the vehicle.
  4. Connect the lines to the engine oil cooler.