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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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2.4D started idllig like a dog (w/video)Views : 313 Replies : 1Users Viewing This Thread : |
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Sep 25th, 2018, 11:43 | #1 |
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2.4D started idllig like a dog (w/video)
Hi all,
My 2.4D with approx 120k miles has started idling like a dog in the last couple of days and making a racket. The AC being on seems to make it worse, but I'm not sure whether that's symptom rather than cause. The aux belt seems okay. The noise varies with the power steering as well, so I'm leaning towards it grumbling for other reasons. The idle seems low (600s, rather than 700s) and the only thing logged in VIDA is that the swirl flap arm popped off at some point over the last couple of days. It's definitely not the engine cover or anything that I can find rattling around in the engine bay. Car is happily drivable still and got just shy of 50mpg up and down the motorway, AC is blowing cold, alternator is charging properly, and performance seems somewhere around normal. This is a video I took of it this morning Link Last edited by FollowingGhosts; Sep 25th, 2018 at 11:48. |
Oct 2nd, 2018, 17:10 | #2 |
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Last Online: Mar 4th, 2023 22:33
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Solution found, turns out it was the belt tensioner on the alternator belt hence why the A/C was affecting it.
£150 for a new tensioner and belt fitted by the local garage and it's quiet as a mouse |
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