Moderator: So Cal Mark
bobplyler wrote:Are you sure the thermostat is installed correctly? It's real easy to get wrong.
kmac33 wrote:I would be willing to bet you haven't gotten the system completely "burped". There are a few previous threads that detail the most effective method to ensure the system is as "air free" as possible. Did you "burp" the system with the heater valve open and closed? Even with the T fitting, I'd have the car sitting up on an incline to help the process.
Took me 2 attempts at burping my system to get it air free.
So Cal Mark wrote:if the lower hose is hot, the stat should be open. Have you checked across the surface of the radiator for cold spots that would indicate a restricted radiator?
courtenay wrote:I had a similar problem on my '80. It turned out that the problem was the temp sensor in the block that pegs the needle was faulty. Based on some advice from others on the forum, I disconnected this sensor and all is fine now. Before doing this, I did all the usual stuff on burping the system, replacing the t-stat etc and used an infrared thermostat to check the temperatures of the rad, hoses and block. If you do a search on my posts you can find out more.
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