 鲜花( 128)  鸡蛋( 0)
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first check coolant level, add if require
) i' T; F% B) P7 {; ^( h& R+ CFLUSH COOLANT ' z, x( k* P# }; r7 A8 \7 L0 M
CHANGE THERMOSTAT
1 q. u/ i6 X2 U; ]" G( \if still doesn't work, flush coolant again
* k* W, \$ m5 L- H$ mif still doesn't work, maybe change heater core(big job)
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