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Home >> Mercedes Benz >> 2008 >> GL450 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Engine Cooling System - 164 Chassis -- Diesel) >> Maintenance >> Replace coolant - AP20.00-P-2080GZD

Replace coolant - AP20.00-P-2080GZD

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ENGINE 642 in MODEL 164 

Fig 1: Identifying Coolant Expansion Reservoir And Cap
G04958581Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
INSPECT Checking     
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of injury  to skin and eyes caused by scalding from contact with hot coolant spray.
Risk of poisoning  caused by swallowing coolant.
Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.
AS20.00-Z-0001-01A 
1 Unscrew cap (1) from expansion reservoir (2) for coolant and check coolant level Notes on coolant level    
    Notes on coolant level AH20.00-P-1142-01GZB 
    Inspecting cooling system for leaks AR20.00-P-1010GZB 
    If coolant level is too low: ↓
Check cooling system for leaks subject to a separate repair order.
 
2 Drain coolant   AR20.00-P-1142GZB 
IMPORTANT Notes on coolant   AH20.00-N-2080-01A 
3 Pour in new coolant   AR20.00-P-1142GZB 
IMPORTANT Use only approved anti-corrosion and antifreeze agents.
FLUID SPECIFICATION *BF20.00-P-1001-02W 
MIXTURE RATIO FOR COOLANT

Number Designation ENGINE 642 in MODEL 164
BF20.00-P-1001-02W Cooling system Workshop replacement quantity Liters ≈6.5
Antifreeze/water Up to -37°C 50/50
From -38 °C 55/45
Specifications for service products Sheet BB00.40-P-0310-01A 
Sheet BB00.40-P-0325-00A 
Sheet BB00.40-P-0326-00A