Hello - Well I solved the problem with leaking at the surge tank. The flange needed to be sanded 100% flat to seal properly. Now I'm able to run the engine long enough for it to heat up. No leaks anywhere.
I run without the rad cap for about 5 minutes, watching in the surge tank for movement when the thermostat opens. It does seem to start agitating at that point, around 185. I put the cap on and the temp continues to go up.
I shut the engine off at 210. The radiator and hoses are not warm at this point. I can't feel any water moving in the upper hose when I squeeze it.
I pulled the thermostat and tested in boiling water and it does open (guessing about 180 which is right). The radiator just came back from the shop and was flushed and pressure tested.
At this point all I can think of is a bad water pump. That is going to be $200 + my labor to replace it.
Before I go that far - anyone have other tests? Have you experienced a bad water pump?
Thanks,
John
I run without the rad cap for about 5 minutes, watching in the surge tank for movement when the thermostat opens. It does seem to start agitating at that point, around 185. I put the cap on and the temp continues to go up.
I shut the engine off at 210. The radiator and hoses are not warm at this point. I can't feel any water moving in the upper hose when I squeeze it.
I pulled the thermostat and tested in boiling water and it does open (guessing about 180 which is right). The radiator just came back from the shop and was flushed and pressure tested.
At this point all I can think of is a bad water pump. That is going to be $200 + my labor to replace it.
Before I go that far - anyone have other tests? Have you experienced a bad water pump?
Thanks,
John
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