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Home >> Land Rover >> 2018 >> Range Rover Velar First Edition >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling - V6 S/C 3.0L Petrol -- Range Rover Velar/L560 >> Engine Cooling - V6 S/C 3.0L Petrol >> General Procedures >> Cooling System Concentration Check (G2154751) >> Check

Cooling System Concentration Check (G2154751): Check

CAUTION:
  • The engine cooling system must be maintained with the correct concentration and type of coolant solution to prevent corrosion and frost damage.
  • Engine coolant will damage the paint finished surfaces. If spilt, immediately remove the coolant and clean the area with water.
  • Never remove the coolant expansion tank cap under any circumstances while the engine is operating.
NOTE:
  • This procedure contains illustrations showing certain components removed to provide extra clarity.
  • This procedure contains some variation in the illustrations depending on the vehicle specification, but the essential information is always correct.
  1. G11715349Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Raise the cover plate.

    General Equipment: Refractometer/Hydrometer 

  2. G11715350Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Clean the prism surface with a soft cloth.

  3. G11715351Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Put 2 drops of pure distilled water on the prism surface.

  4. G11715352Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Lower the cover plate.

  5. G11715353Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Observe the shadow line on the scale.

  6. G11715354Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    If required, use the adjustment screw to align the shadow line as shown.

  7. G11715349Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Raise the cover plate.

  8. G11715350Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Clean the prism surface with a soft cloth.

  9. WARNING: Release the cooling system pressure by slowly turning the coolant expansion tank cap a quarter of a turn. Cover the expansion tank cap with a thick cloth to prevent the possibility of scalding.
    CAUTION:
    • Be prepared to collect escaping coolant.
    • Since injury such as scalding could be caused by escaping steam or coolant, make sure the vehicle cooling system is cool prior to carrying out this procedure.
    G11715357Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Remove the coolant expansion tank cap.

  10. G11715358Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Use the pipette to extract a coolant sample.

  11. G11715349Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Raise the cover plate.

  12. G11715360Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Put 2 drops of coolant on the prism surface.

  13. G11715352Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Lower the cover plate.

  14. NOTE: 50% coolant concentration mix provides a freeze point of -37°C.
    G11715362Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Observe the shadow line on the scale.

  15. G11715349Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Raise the cover plate.

  16. G11715350Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Clean the prism surface with a soft cloth.

  17. G11715365Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • If the coolant concentration mix is at 50%, proceed to Step 20.
    • If the coolant concentration mix is below 50%, proceed to Step 18.
    • If the coolant concentration mix is above 50%, proceed to Step 19.
  18. NOTE: Coolant concentration mix % must divided by 100. 50% would be calculated as 0.5
    • If the coolant concentration mix is below 50%, the following calculation steps must be followed.
    • Step 1. Multiply the required coolant concentration mix % by the cooling system capacity.
    • Step 2. Multiply the current coolant concentration mix % by the cooling system capacity.
    • Step 3. Subtract the total of step 1 by total of step 2.
    • Step 4. Subtract the current coolant concentration mix % from 1.
    • Step 5. Divide the total of step 3 by the total of step 4.
    • Drain the coolant quantity given by the calculations and replace with concentrated antifreeze.
    • Proceed to Step 20.
  19. NOTE: Coolant concentration mix % must divided by 100. 50% would be calculated as 0.5
    • If the coolant concentration mix is above 50%, the following calculation steps must be followed.
    • Step 1. Multiply the current coolant concentration mix % by the cooling system capacity.
    • Step 2. Multiply the required coolant concentration mix % by the cooling system capacity.
    • Step 3. Subtract the total of step 1 by total of step 2.
    • Step 5. Divide the total of step 3 by the current coolant concentration mix %.
    • Drain the coolant quantity given by the calculations and replace with distilled water.
  20. CAUTION: Correct installation of the coolant expansion tank cap can be obtained by tightening the cap until 3 audible clicks are heard.

    Install the coolant expansion tank pressure cap.

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