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S80 '06-'16 / V70 & XC70 '07-'16 General Forum for the P3-platform S80 and 70-series models |
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XC70 D5 poor MPGViews : 6123 Replies : 52Users Viewing This Thread : |
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Feb 13th, 2020, 16:40 | #31 |
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Yes, I’d be intrigued to know. Thermostat replacement on earlier P2 models looked a doddle. I’m not sure about the euro 4’s though (2008 onwards), but I can’t find any videos on the job in hand.
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2007 S80 2.4 D5 - 110,000 miles |
Feb 13th, 2020, 17:00 | #32 |
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The later engines have a complete thermostat manifold which has to be replaced. The days of undoing three bolts, pulling out the old thermostat and replacing it with a cheaply bought new one are gone and it seems that Volvo do not expect you to routinely change the thermostat to ensure that it always is working at its best but to wait until it fails before getting involved with a lot of spannering.
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2012 XC70 SE Lux Polestar 230 bhp D5 Auto Oyster Grey |
Feb 13th, 2020, 21:34 | #33 | |
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2007 S80 2.4 D5 - 110,000 miles |
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Feb 14th, 2020, 10:32 | #34 |
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I only speak from what I have read on the forum while worrying about the high cost of changing the thermostat on my 2012 XC70 which I would do routinely if it wasn't for the expense and great difficulty in doing myself. I don't know exactly when the change in design happened but it seems to go back as far as 2009. See this for information: https://www.volvoforums.org.uk/showthread.php?t=197671
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2012 XC70 SE Lux Polestar 230 bhp D5 Auto Oyster Grey |
Feb 14th, 2020, 13:29 | #35 | |
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But for lotuscorty it'll be a pain as yes the egr, throttle body, air box, battery etc have to be removed according to vida......... The guy on here has some useful videos, sadly stat change isn't.....be cheeky and message him to do one....stat change that is.
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2008 V70 SE D5 Auto 185 ...now 205 Volvo Polestar......190k Passed away - 1999 V70 2.5tdi Auto 340632 miles, RIP. |
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Feb 14th, 2020, 22:46 | #36 | |
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2007 S80 2.4 D5 - 110,000 miles Last edited by Kev0607; Feb 14th, 2020 at 22:52. |
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Feb 14th, 2020, 22:54 | #37 |
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When searching for the thermostat for my Dad's V70 P3 D5 (57 plate), it brings up the attached image as being the correct part. It looks like the one that's a pain to change?
My Dad's car is the same as yours V70Zig (No Polestar though, standard 185bhp D5). Its six months older, but its the facelift shape. Does this look like the correct part?
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2007 S80 2.4 D5 - 110,000 miles Last edited by Kev0607; Feb 14th, 2020 at 23:12. |
Feb 15th, 2020, 04:11 | #38 | |
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It's a pain to print them from my lappy, scan and then upload to here so as a quicky here are just the pics....the only special tool is a 19mm deep socket to remove the sensor. Just follow the rad top hose it's front left hidden by the engine cover.
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2008 V70 SE D5 Auto 185 ...now 205 Volvo Polestar......190k Passed away - 1999 V70 2.5tdi Auto 340632 miles, RIP. |
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Feb 15th, 2020, 08:10 | #39 |
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Just to be clear, how do we know if it needs changing at all?
Its just a case of monitoring the coolant temp? I have a bluetooth reader attached to the car so it's pretty easy to read |
Feb 15th, 2020, 14:16 | #40 | ||
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From lotuscorty's posts it looks like his has unfortunately stuck in an open position which will fool the ecu into over fuelling. Quickest way to to check without any apps or diagnostics connected is to start up from cold (overnight) and feel the top hose from rad to engine as it should remain a lot "cooler than the bottom hose" if it's getting warm after a couple or 3 min it's more than likely stuck open or partially open. Welcome anybody's views on this post just in case I'm wrong....oh and there is a thanks button if I'm right...............
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2008 V70 SE D5 Auto 185 ...now 205 Volvo Polestar......190k Passed away - 1999 V70 2.5tdi Auto 340632 miles, RIP. |
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