Question about 1997 Jeep Grand Cherokee

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No heat I own a 1997 grand cherokee limited and today i turned it on and only cold air comes out of the vents.

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First, check the coolant level. (in the radiator, not the recovery bottle)(don't open when hot) Next, after running for a time, does temperature reach normal? (around 200-210) If you drive, will it overheat? After reaching temperature, are both top and bottom radiator hoses hot? Is the vacuum hose on the heater control valve connected? If so, is vacuum present at any point when control is moved between a/c and heat? Does the small control arm on the valve move when you move the control? Do both heater hoses get hot when heat is on (one normally cooler than the other, but not drastically) Check this stuff and get back to me!!

Posted on Jan 09, 2009

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