1991 Lexus LS 400 "know heater core plugged thermostat" Questions

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know what to do replace thermostat,and flush system,sounds like you low on coolant. TIM think Circulation and Compression and Cooling. Check your antifreeze make sure it is full find the leak if it is

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Question about Lexus LS 400

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...know it sounds wrong, but if the coolent level is low hot coolent won't circulate to the heater core) The thermostat may be stuck open, if it is the engine won't reach proper operating temp. Only ...

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know my ranger.. I had a small leak at the top of my radiator that still cooled the engine but didnt have enough pressure to get to the heater. The heater hoses travel up over the engine and just were

Question about Lexus LS 400

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...heater core lines that enter firewall. Be careful you dont over heat soon. I posted this in a different web sight I hope it helps you. Re: Overheating and blowing cold air I have been a mechanic for ...

Question about Lexus LS 400

1 Answer

...both of these could result in no flow of coolant to heater core, 4th a plugged up heater core (rust and corrosion) preventing coolant from flowing thru heater core. Let me know how u make

heater may need to be replaced. Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com! Hi You also might replace the thermostat. It could be stuck

Question about Lexus LS 400

2 Answers

...difference in temperature between the 2 indicates flow valve not opening, or partially, or a plugged heater core. There is an easy cure for plugged core if it turns out to be the cause, let me

Question about Lexus LS 400

1 Answer

...know how to change the heater core. Which i think that is the problem because i have lost a lot of anti-freeze and now my truck is overheating. I basically just need how-to change the heater core ...

know the heater core isn't plugged. The Jeep isn't overheating, just won't blow hot air inside the cabin. Thanks... coolant probles the heater blows hot & then it will blow cold air changed thermostat

...core is plugged. Back flushing the heater may bring it back to life. Check those out first. Let me know if you have any questions and I'll do my best to answer them. Thank you for using

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