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Maintenance and specifications – FORD 2002 Thunderbird v.1 User Manual

Page 205

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engine coolant and distilled water as soon as possible. Water alone
(without engine coolant) can cause engine damage from corrosion,
overheating or freezing.

Do not use alcohol, methanol or brine or any engine coolants

mixed with alcohol or methanol antifreeze (coolant). Alcohol
and other liquids can cause engine damage from overheating or
freezing.

Do not add extra inhibitors or additives to the coolant. These

can be harmful and compromise the corrosion protection of the engine
coolant.

Do not mix with recycled coolant unless from a Ford-approved

recycling process (see Use of Recycled Engine Coolant section).

For vehicles with overflow coolant systems with a non-pressurized cap
on the coolant recovery system, add coolant to the coolant recovery
reservoir when the engine is cool. Add the proper mixture of coolant and
water to the “cold full” level. For all other vehicles, which have a coolant
degas system with a pressurized cap, or if it is necessary to remove the
coolant pressure relief cap on the radiator of a vehicle with an overflow
system, follow these steps to add engine coolant.

To avoid personal injury, make sure the engine is cool before
unscrewing the coolant pressure relief cap. The cooling system is

under pressure; steam and hot liquid can come out forcefully when the
cap is loosened slightly.

1. Before you begin, turn the engine off and let it cool.

2. When the engine is cool, wrap a thick cloth around the coolant
pressure relief cap on the coolant reservoir (an opaque plastic bottle).
Slowly turn cap counterclockwise (left) until pressure begins to release.

3. Step back while the pressure releases.

4. When you are sure that all the pressure has been released, use the
cloth to turn it counterclockwise and remove the cap.

5. Fill the coolant reservoir slowly with the proper coolant mixture (see
above), to within the “cold fill range” or the “cold full” level on the
reservoir. If you removed the radiator cap in an overflow system, fill the
radiator until the coolant is visible and radiator is almost full.

6. Replace the cap. Turn until tightly installed. (Cap must be tightly
installed to prevent coolant loss.)

Maintenance and specifications

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