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Cooling system question V70-XC70 1998

posted by  jmargush on  Thu Jan 22 19:23 CST 2015
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last visit: Fri Sep 26 05:29 CST 2014
[RELATED]

Ok so when my daughter brought the car home I removed the radiator cap to look for bubbles while it was running.

Didn't see any bubbles, should they be coming form the hose in the bottom of the expansion tank or the vent hose?

Pulled the plugs all pistons look the same carbon on top.

Checked compression while I had the plugs out
1-160, 2-155, 3-160, 4-155, 5-165

This is lower than what my hanes book says it should be but they are all pretty close and it was a harbor freight gauge. I also did hold the throttle open while doing the test.

I moved the clamps on the expansion tank hose to a fresh location to see if the hose was fatigued in that area so we'll see if it makes any difference tomorrow.






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