Engine Coolant Checks
Check the engine coolant (antifreeze) protection every 12 months (before the onset of freezing weather, where applicable). If the engine coolant (antifreeze) is dirty or rusty in appearance, the system should be drained, flushed, and refilled with fresh coolant. Check the front of the A/C condenser (if equipped) or radiator for any accumulation of bugs, leaves, etc. If dirty, clean by gently spraying water from a garden hose vertically down the face of the A/C condenser (if equipped) or the back of the radiator core.
Check the engine cooling system hoses for brittle rubber, cracking, tears, cuts, and tightness of the connection at the coolant recovery bottle and radiator. Inspect the entire system for leaks.
With the engine at normal operating temperature (but not running), check the cooling system pressure cap for proper vacuum sealing by draining a small amount of engine coolant (antifreeze) from the radiator drain cock.
If the cap is sealing properly, the engine coolant (antifreeze) will begin to drain from the coolant recovery bottle. DO NOT REMOVE THE COOLANT PRESSURE CAP WHEN THE COOLING SYSTEM IS HOT.
See also:
A/C Air Filter — If Equipped
The A/C Filter prevents most dust and pollen from entering the cabin. The filter
acts on air coming from outside the vehicle and recirculated air within the passenger
compartment. Refer to “Main ...
Connectivity and Infotainment Features
The all-new 2011 Jeep Grand Cherokee will feature uconnect guardian as a
standard feature on all models (services provided by Hughes Telematics).
uconnect guardian provides customers with the top ...
Frontal Area
The frontal area is the maximum height multiplied by the maximum width of the
front of a trailer. ...


