See Figures 1, 2, 3 and 4
A 50/50 mixture of water and ethylene glycol type antifreeze (containing Allguard or silicate type inhibitor) that is safe for use in aluminum components is recommended. The 50/50 mixture offers protection to -34°F (-37°C). If additional cold weather protection is necessary a concentration of 65% antifreeze may be used.
See Figure 5
All vehicles are equipped with a transparent coolant reserve container. A minimum and maximum level mark are provided for a quick visual check of the coolant level.
- Run the engine until normal operating temperature is reached.
- Open the hood and observe the level of the coolant in the reserve.
- Fluid level should be between the two lines. Add coolant, if necessary, through the fill cap of the reserve tank.
DRAIN AND REFILL
See Figures 6 and 7
- If the lower splash shield is in the way, remove it.
- Place the heater control lever on the dash control to full on.
- Place a drain pan under the radiator and open the drain cock. When the coolant reserve tank is drained completely, remove the radiator cap.
The radiators used on some vehicles covered by this information may not be equipped with a drain cock. If a quick inspection does not reveal one to you, loosen and disconnect the lower radiator hose from the radiator assembly in order to drain the cooling system.
- If your vehicle is equipped with the 2.2L engine, removal of the vacuum valve (located above the thermostat housing), is necessary to provide air displacement. If your vehicle is equipped with the 2.5L engine, removal of the drain/fill plug (located above the thermostat housing), is necessary to provide air displacement.
To remove the vacuum valve, disengage the hose connector plug, and carefully unscrew the valve using the proper size wrench.
- After draining the system, refill with water and run the engine until normal operating temperature is reached. (See the following refill procedures). Drain the system again, repeat procedure until the drained water runs clear.
- Close the radiator drain cock or connect the lower hose, as applicable.
- Fill the system with a 50/50 mixture of ethylene glycol type antifreeze.
- When the coolant reaches the hole in the water box at thermostat housing (2.2L and 2.5L engines), install the vacuum valve or drain/fill plug to 15 ft. lbs. (20 Nm).
- Continue filling system until full.
- Install the radiator cap, start the engine, and run until normal operating temperature is reached. Fill the coolant reserve tank to Max mark. Stop the engine and allow it to cool.
It may be necessary to warm up and cool down the engine several times to remove trapped air. Recheck level in reserve tank, and adjust level if necessary.
CHECK THE RADIATOR CAP
While you are checking the coolant level, check the radiator cap for a worn or cracked gasket. If the cap doesn't seal properly, fluid will be lost in the form of steam and the engine will overheat. Replace the cap with a new one, if necessary.
CLEANING THE RADIATOR
Periodically clean any debris-leaves, paper, insects, etc.-from the radiator fins. Pick the large pieces off by hand. The smaller pieces can be washed away with water pressure from a hose.
Carefully straighten any bent radiator fins with a pair of needle nose pliers. Be careful-the fins are very soft! Don't wiggle the fins back and forth too much. Straighten them once and try not to move them again.