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Old 10-27-2009, 10:05 PM   #13
MandTPhotography
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Join Date: Jul 2008
Location: Wilmington, NC
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Quote:
Originally Posted by wangan_cruiser View Post
pressurize your coolant. see if theres any minor leak. when you leave and drive off do you see any drip leaks?

my sr currently leaks overnights because the hose i found seals up when its warm but when its cold it is leaking. but i dont overheat when i drive it.
My car doesn't leak at all, unfortunately.

Quote:
Originally Posted by clark View Post
if you overheated that many times, you probably warped your head...it's aluminum...

nowhere did you mention in your post that you properly bled your system of air...have you done this?

do you have a shroud? also, do you have a wiring diagram of your fan/switch/relay wiring?
It hasn't like..overheated to the point of cutting off or anything, just ran hot. Not all the way to the H either, just way hotter than I'd like.

Everytime we lost any coolant, we got out all the air bubbles in the system and let it recirculate and whatnot.
Quote:
Originally Posted by wangan_cruiser View Post
or you can do a leakdown test.

start it up let it warm up
turn off the engine let it sit and cools down
then take off sparkplugs
then if you have a compressor pressurize the combustion chamber with air
then open up oil filer cap and radiator cap.

listen to any hiss coming from

intake - intake valves not sitting properly or leaking from gaskets
exhaust - exhaust valves not sitting properly or leaking from any places
oil filler cap - cracked head?
bubbles in radiator - headgasket is slowly deteriorating
hissing from dipstick? - rings are on their way out.

Very useful...Will definitely do this shortly in the future. Bought a DD this week so I'll have time to fix the 240.

Thanks everyone!
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