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Cooling system question V70-XC70 1998

posted by  jmargush on  Thu Jan 22 06:33 CST 2015
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last visit: Fri Sep 26 05:29 CST 2014
[RELATED]

I have a 98 V70 261k miles.

I have been having a coolant leak out of the expansion tank hose at the thermostat housing and out of the hose connection on the tank.

My question is, under normal conditions should the top radiator hose(radiator to thermostat) become hard to squeeze once the engine is warmed up?

The expansion tank is filled to the proper level and once warm the level increases in the tank to well above max.

First thought was the thermostat was bad and stuck closed but drove it this morning and gauge reads normal but hose was still hard.

Seems like there is unusually high pressure forcing it to leak out of the expansion tank hose.






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