 鲜花( 128)  鸡蛋( 0)
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first check coolant level, add if require0 Y4 N+ N W7 y: O$ w5 S, u0 S" a$ f$ B
FLUSH COOLANT
9 c3 S( {# O# _ WCHANGE THERMOSTAT
0 I! V. N9 P! C$ f, W0 _if still doesn't work, flush coolant again 3 [3 D; I. ^" l. ?, R; m0 {
if still doesn't work, maybe change heater core(big job)
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