Question about 2002 Nissan Altima
Where is the heater control valve located on a 2002 Altima 2.5L? Both heater hoses are hot but no heat.
Pressure test the cooling system. Remove the spark plugs and inspect the top of the piston. Look for coolant. If you can see your own eye you found coolant. If the cooling system was properly bled and still no heat at idle you may find coolant in the cylinder. The head gasket would need to be replaced and the surfaces prepped. Machining the head is not recommended.
Posted on Feb 03, 2010
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Posted on Jan 02, 2017
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