Having problems with your 1998 Chevrolet Lumina ?
How do i replace the thermostat on my car? - 1998 Chevrolet Lumina
Please see my tip at http://www.fixya.com/cars/r5929960-s_thermostat . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.
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