LR3/Disco 3
Cooling system - Check/Top-up
1. Check the level of coolant in the expansion tank. With the engine cold, the coolant level must be to the 'UPPER
LEVEL' indicator mark above the 'COLD FILL LEVEL' text on the side of the expansion tank. Ignore any coolant which
may be visible in the top section of the tank.
2. If topping-up is required, remove expansion tank filler cap and top-up coolant level to the 'UPPER LEVEL' indicator
mark. For additional information, refer to
Specifications
(303-03A )
For additional information, refer to
Specifications
(303-03B )
3.Install expansion tank filler cap, tighten cap until ratchet is heard to 'click'.
Coolant - Replace
1. Every 10 years or 150,000 miles (240,000 km): Replace the coolant. For additional information, refer to
Cooling
System Draining, Filling and Bleeding
(303 -03A )
For additional information, refer to
Cooling System Draining, Filling and Bleeding
(303 -03B )
Ignition System
1. * Every 12 months or 15,000 miles (24,000 km) Vehicles using LEADED fuel or those fitted with COPPER spark
plugs: Replace spark plugs. For additional information, refer to
Specifications
(303-07A )
For additional information, refer to
Specifications
(303-07B )
WARNING: Since injury such as scalding could be caused by escaping steam or coolant, do not remove
the filler cap from the coolant expansion tank whilst the system is hot.
CAUTION: Engine coolant will damage the paint finished surfaces. If coolant is spilled, immediately
remove the coolant and wash the area with water.
CAUTION: Always top-up with a 50% mixture of anti-freeze and water.