GMC JIMMY 2002 Manual page 373

Checking Coolant The coolant recovery tank is located in the engine
compartment near the passenger side of the vehicle. See
"Engine Compartment Overview" in the Index for more
information on location.
The vehicle must be on a level surface. When your
engine is cold, the coolant level should be at ADD, or a
little higher. When your engine is warm, the level should
be up to FULL HOT, or a little higher.
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