Do you have to drain the coolant to cahnge the t-stat?
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Do you have to drain the coolant to cahnge the t-stat?
It says in the book to drain it partially but I've heard that you don't ahve to drain at all. Is this true? or do you have to drain some?
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You should drain it some. Other wise you'll have a good bit of coolant shooting all over, I'ts not a good smell to burn that off. Also, If your engine is clean burnt coolant leaves an obvious trail, If you spill coolant now you may be hindering your dianostic work later.
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Drain it... coolant isnt expensive and its worth a swap... better for your water pump.. you dont want to have to replace that now do you?
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I used a shop-vac too. Worked well for me.. it makes easyier to change the tstat with the coolant drained out a little. With my 16 year old car, and the petcock being plastic.. I was afraid i'd break it, so I wasn't even going to stress it.
-justin
-justin
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