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Home > Maintenance & Modifications > Idle sound issue. |
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ozjeff62 Member Since: 28 May 2018 Location: Sydney, NSW Posts: 494 |
Hard idle. Hm. High RPM? Running like a truck? Not sure what you mean, sorry.
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22nd Mar 2023 9:27 am |
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RPoul87 Member Since: 23 Apr 2021 Location: Woking Posts: 81 |
Mine made a hard idle sound when the thin blue cable attached to alternator wore through. Cable monitors the voltage coming from the alternator from what I understand, wrong signals could be making the engine work harder making the idle heavier I guess is the only way of explaining.
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22nd Mar 2023 1:29 pm |
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Nodge68 Member Since: 15 Jul 2020 Location: Newquay Posts: 2071 |
Does the sound change of you put the heated front screen on? Hyundai Ioniq 5 Ultimate. The family car.
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22nd Mar 2023 1:41 pm |
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PeteC Member Since: 03 Dec 2022 Location: West Midlands Posts: 16 |
May be worth a look at the power assistance reservoir. I just changed mine this morning after getting a groaning noise on low speed manoeuvring. I read on this forum that this was something to look at and found a fluid bubbling effect when I took the cap off with engine running. Suggestion was a blocked filter starving the pas pump. Once reservoir replaced the noise was gone, and the almost stall or stumble on going to idle that I was also feeling has now vanished too, whole drive is now quieter. Perhaps the blocked filter places extra load on pas pump, and therefore loads the idle. |
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22nd Mar 2023 9:29 pm |
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jules Member Since: 13 Dec 2007 Location: The Wilds of Warwickshire Posts: 4937 |
I guess it could be anything that is moving in time with the engine:
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23rd Mar 2023 5:21 am |
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Grimdog Member Since: 08 Sep 2020 Location: Wakefield Posts: 313 |
Just changed my freewheeling alternator pulley. Made a huge difference at tick over. Try removing the aux belt and running the engine to see if the noise goes away. If so then start eliminating suspects from there. Good luck |
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23rd Mar 2023 6:10 pm |
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Telco Member Since: 30 Dec 2015 Location: Lancs Posts: 42 |
Hi Nodge, Would you diagnose the Alternator pulley for that symptom? Mine shows this, particularly from cold. |
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27th Mar 2023 4:13 pm |
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MRRover75 Member Since: 13 Jan 2017 Location: Sandnes Posts: 317 |
+1 to this. Had the same issue several years ago. Replaced alternator pulley, and all good. Remove your AUX belt and check that the freewheel function in the alternator pulley is not seized up. This is something not to many are aware of! |
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28th Mar 2023 12:03 pm |
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