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A story of torque V70-XC70 2007

posted by  jorrell245 on  Wed Oct 26 08:27 CST 2022
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last visit: Sat Sep 13 22:04 CST 2014
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I was getting the code for a non functional exhaust cam reading, ie. sensor, solenoid, or some special mechanics lack of understanding of bolt torque.The exhaust cam sensor was leaking oil from its cover, a clue! So I go through the nightmare of getting to the cam sensing sensor to find the two torx bolts holding it were at 35 foot pounds to remove the cracked cover. It was taking 80 foot pounds to get the bolt outs of the aluminum side cover! So a new sensor and cover should fix that.

In the same area where there was the oil leak from the sensor, there is also a small coolant drip. Should I be looking at the turbo coolant lines or other nefarious sources?

It took me less time to strip a 245 to the frame and rebuild it than this car is taking me to fix... I'm blaming the previous person using the wrenches, a mechanic he could not be!

Any thoughts on coolant drip?








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    A story of torque V70-XC70 2007

    posted by  jwalker on  Wed Oct 26 10:34 CST 2022
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    last visit: Fri Jun 6 08:39 CST 2014
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    You should be fine now with the new sensor. I went through a similar thing with my 95 850. Replaced exhaust cam sensor and seal. Cover was fine though. No gorilla was working on my car however!

    Don't know the specific layout of the coolant hoses on your car so not much help there. Check out any turbo and engine coolant hoses in the vicinity. Maybe the gorilla overtightened a coolant hose? I'd be surprised if a turbo coolant hose is leaking at that mileage but you never know... A little off topic here - but my only point of reference. My first turbo car was a 2002 VW Passat turbo wagon which was kept until 242k. Replaced one turbo coolant hose at about 220k.
    --
    Will I buy another Volvo??? We'll see....







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