Quote:
Originally Posted by buickfoxhound
Greetings,
I had a posted a few days ago on the issue of luke warm heat in my 1989 buick lesabre when I drive and hot heat when standing still. I have replaced the thermostat on the advice of the forum and it fixed the problem. Now I have a coolant leak that appears to be coming form the oil pan seals. Another great solution would be appreicated. Thanx
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Did you have the coolant leak BEFORE you replaced the thermostat? Have you checked the seals on the thermostat replacement to see if that's leaking?
There are many sources of leaks at the motor such as water pump, the intake manifold tube that is on the heater line, the rubber parts of heater hoses, the ends of the upper and lower hoses where they meet up to the engine. Take a good look after the car's been running is shut off a few minutes.