5 U% D$ Z- `) g& u5 ~I have a 99 ford Taurus, which has little heat in Winter for several years. I flushed the heat core and changed coolant. But the problem is still there. After driving in the highway for 20 minutes on Monday ( - 20 ). The engine temp only rise around 1/8 of the range of gauge. Does that mean that my thermstat should be replaced? Any other possible causes? Thanks.
本帖最后由 kingsnake 于 2010-11-26 17:24 编辑 ' P8 f/ \' A, m w" Y. f
0 B: e- U7 L2 J8 O$ X' lWhen a thermostat goes bad. It could go either way. ) n ]8 c$ n d* o2 n5 k3 lStuck open takes forever to get heat up because coolant flows through radiator first. Stuck closed overheats and warning light comes on. As cheap as thermostats are if you're in question replace it and then you are sure it is good.0 ? t3 u. {1 j( |5 y
Taurus would be a easy car to have thermostat changed. I have to wait for warmer days to change mine. The darn thermostat is behind the alternator.
When a thermostat goes bad. It could go either way.6 P$ d# _2 ^$ I0 d9 u. x5 k r
Stuck open takes forever to get heat up because coolant flows through radiator first. Stuck closed overheats and warning light comes on. As cheap ...; Z6 ^% W4 Z6 i( p* w: O
kingsnake 发表于 2010-11-26 16:58
, V! t% q# w# W q我觉得不管是常开还是常闭，时间长了都不会是水温低。常开水温增加慢，但也就是相当于提前大循环，常闭是肯定要高水温的，因为没有大循环。
I changed the thermostat today and installed the new one in the right position following the instruction. The engine temp rise around 1/3 of the range of gauge after 15 minutes' city drive tonight ( -7 degree). However, still there is very little heat. Can anyone help me on the diagnostics?
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发表于 2010-11-26 09:37
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发表于 2010-11-26 11:53
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