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Old 02-13-2010, 08:36 PM   #11
chinesedawn
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Red face more questions!

I change the radiator today,after I put the new one in I did a test drive on the high way, but the coolant temperature goes high after 9 min about 60 miles/hour so I shut it down and restart it again, the Tem. drop to half and when I start drving it, Temperture goes high again and I DON'T have heater, I used to,I have heater before I change the radiator.

I touch the radiator, it's hot so it means the thermosta is good but the problem is the coolant in the raservior is cold....
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Old 02-15-2010, 11:52 PM   #12
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Thumbs up I have the same problem

chinesedawn please let me know the results i have the same problem with my supra i check all the vac houses let me know thank you
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Old 02-16-2010, 12:53 AM   #13
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Wink the problem is timing!

I fix the problem, my car's timing is 4 degree BTDC which should be 10 degree BTDC, after I set the the timing the car runs great.
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Old 02-16-2010, 01:49 AM   #14
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Your engine temps should drop too.
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Old 02-16-2010, 02:06 AM   #15
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Question

Yes Boss! My engine tem. drop to normal. But actually the main reason cause my Engine Tem. go high is I lose too much coolant when I change the radiator ....

Finally my car runs great.......But the heater start to bother me ....It goes warm and cold with engine load, when I driving it, the heater proforms really good but when I let my car at idle my heater won't take care of me anymore......
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Old 02-16-2010, 02:15 AM   #16
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There's a valve in the heater line on the passenger side. It's mounted on the firewall by the charcoal canister. Follow the heater hose from the firewall to it. There's a VSv with a metal bell with a lever that runs to the valve. Run the vacuum line which runs along the firewall to the VSV straight to the bell and see if the lever moves up. It's a common failure point. I'll see if I can find a diagram.


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Last edited by cre; 02-16-2010 at 02:18 AM.
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