Cooling System; Coolant Check & Top-Up - MG ZR Series Owner's Manual

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COOLANT CHECK & TOP-UP

Cooling System

DO NOT remove the reservoir cap when the cooling system is
hot - escaping steam or water could cause serious injury.
The coolant level should be checked weekly when the cooling
system is cold and with the car resting on level ground.
HB0099
Remove the filler cap, and top-up to the MAX' mark with a 50%
mixture of water and anti-freeze (see 'Coolant specification'). Ensure
the cap is tightened fully after top-up is completed.
NOTE: When topping-up, avoid spillage on body panels - anti-freeze
will damage painted surfaces.
If the coolant level falls appreciably during a short period, suspect
leakage or overheating and arrange for your dealer to examine the
car.
124
Cooling System
ANTI-FREEZE
Anti-freeze is poisonous and can be fatal if swallowed - keep
containers sealed and out of the reach of children. If accidental
consumption is suspected, seek medical attention immediately.
Prevent anti-freeze coming into contact with the skin or eyes.
If this occurs, rinse immediately with plenty of water.
Anti-freeze contains important corrosion inhibitors. The
anti-freeze content of the coolant must be maintained at
50% ± 5% all year round (not just in cold conditions). To ensure
that the anti-corrosion properties of the coolant are retained, the
anti-freeze content should be checked once a year and the coolant
completely renewed every four years, regardless of mileage. Failure
to do so may cause corrosion of the radiator and engine
components.
NOTE: DO NOT add rust inhibitors or other additives to the coolant -
these may not be compatible with the coolant or engine components.
Coolant specification
Use ONLY a 50% mix of water and Havoline Extended Life
Coolant (XLC), or any ethylene glycol based anti-freeze
(containing no methanol) with Organic Acid Technology (OAT)
corrosion inhibitors, meeting BTC coding type 4E.
In an emergency - and only if this type of anti-freeze is unavailable
- top-up the cooling system with clean water, but be aware of the
resultant reduction in frost protection. DO NOT top-up or refill
with other anti-freeze formulations. If in doubt consult a dealer.

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