Radiator Tanks blew up !

A-P Legend · 03-01-06, 10:32 PM

My 3 week old Koyo blew up the other day. I was fortunate that it happend JUST as i pulled into the garage, so nothing ever got hot.

I have a replacment one and a new cap. All the rest of the cooling system is new too (hoses, waterpump, fans etc..). The radiator really did blow up, completely separating the bottom tank.

Before i start everything up again, is there anything else that could have caused this other than a faulty/old radiator cap? I dont want this happeneing again! The car never overheats, so thats not a problem, and all air was bled out.

Jetdoc · 03-01-06, 11:32 PM

I would install a new Acura OEM thermostat at this time if it hasn't been done.
No aftermarket thermostat allowed.

A-P Legend · 03-02-06, 12:48 AM

Jetdoc

I absolutely agree with you on the thermostat, except that i have a brand new acura factory thermostat i put in 3 weeks ago!

I just bled the system, thermostat and fans are all working correctly. I havent driven it yet with a cap on. Local Kragen had a prestone 1.1 cap, so thats what i have. I would think that would be fine.

03-01-06, 10:32 PM	#1 (permalink)
A-P Legend Registered User Join Date: Aug 2004 Location: Nor Cal Posts: 216 Car 1: 1993 Legend TII 6spd iTrader: (0)	Radiator Tanks blew up ! My 3 week old Koyo blew up the other day. I was fortunate that it happend JUST as i pulled into the garage, so nothing ever got hot. I have a replacment one and a new cap. All the rest of the cooling system is new too (hoses, waterpump, fans etc..). The radiator really did blow up, completely separating the bottom tank. Before i start everything up again, is there anything else that could have caused this other than a faulty/old radiator cap? I dont want this happeneing again! The car never overheats, so thats not a problem, and all air was bled out. __________________ Ported/polished TypeII manifold is done! CAI is done! Hosetechniques hoses done! http://memimage.cardomain.net/member...9/831750_1.jpg

03-01-06, 11:32 PM	#2 (permalink)
Jetdoc FIXER Join Date: May 2002 Location: Memphis, TN Posts: 1,663 Car 1: 1992 Legend L 265k Black(sold) 1994 Legend LS 175K Green 1967 NOVA SS Bolero Red iTrader: (0)	I would install a new Acura OEM thermostat at this time if it hasn't been done. No aftermarket thermostat allowed. __________________ People are often reluctant to pay for good advice but rarely follow free advice.

03-02-06, 12:48 AM	#3 (permalink)
A-P Legend Registered User Join Date: Aug 2004 Location: Nor Cal Posts: 216 Car 1: 1993 Legend TII 6spd iTrader: (0)	Jetdoc I absolutely agree with you on the thermostat, except that i have a brand new acura factory thermostat i put in 3 weeks ago! I just bled the system, thermostat and fans are all working correctly. I havent driven it yet with a cap on. Local Kragen had a prestone 1.1 cap, so thats what i have. I would think that would be fine. __________________ Ported/polished TypeII manifold is done! CAI is done! Hosetechniques hoses done! http://memimage.cardomain.net/member...9/831750_1.jpg

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