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745 exploding radiator syndrome

posted by  someone claiming to be Goran on  Fri Feb 13 11:14 CST 2004 [RELATED]

Hi there!

I'm not so good with Volvo's so i decided to seek advice here.

Car: Volvo 745 GL -88 255kmiles

Symptom: My girlfriend drove it until it started cutting out and steaming. Hole in the radiator. I changed radiator and waterpump. Filled with coolant and took a short drive. Radiator exploded again! !!@@$##!!

I don't thing it's head gasket as expansion tank isn't bubbling (except first time i started it after i refilled it) and oil isn't watered down.
It seems like there is overpressure in coolant system than cracks the radiator. What can be the potential cause of this?

My next step is to change thermostat and radiator, refill and warm up the engine without puting on the cap on expansion tank. If it starts bubbling or smoking then i know it's head gasket that went after she overheated it. If not, then something was blocking the passage and cracked the radiator.

Anyone?


Cheers!
Goran from Sweden





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New 745 exploding radiator syndrome
posted by  someone claiming to be Goran  on Fri Feb 13 11:14 CST 2004 >


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