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Old 03-29-2011, 08:05 AM   #37
dharamveer
Registered User
 
Join Date: Mar 2011
Location: London
Posts: 3
My Ride: e46 2002 2.5l
excellent write up!

I have a few questions :

1. My bolts for my thermostat seem corroded, shall I spray them with wd-40 before attempting to open them? What precaution can take not to break them?
2. If I dont want to drain the coolant, how much litres will leak when I remove the thermostat? Will cloth ot container be more suitable to catch it?
3. If I do go ahead and drain the coolant, will I need to drain the radiator with the blue screw from under the car and drain the coolant out the engine?

Thanks in advance.
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