Any idea what this sound is? (RESOLVED)
#1
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in the last few days the car makes a strange sound in the engine when it starts up. lasts only a few (10-15) seconds and then goes away. i will take to local shop this weekend.
i am sure diagnosing via sharing an audio file might not be the best approach but thought i would post it anyways in case people have an idea.
the noise is coming from almost the exact center of the engine ... maybe a bit towards the front but not much.
i am sure diagnosing via sharing an audio file might not be the best approach but thought i would post it anyways in case people have an idea.
the noise is coming from almost the exact center of the engine ... maybe a bit towards the front but not much.
Last edited by GGG; 12-12-2022 at 05:37 PM. Reason: Add 'RESOLVED' to thread title
#2
#3
#7
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Tensioner is a good guess - it’s something that is periodically storing and releasing energy, like a stuck tensioner might. Can you observe the belt(s) in front and is there any jerking type motion in sync with the noise? I do hope it’s not the timing chain (does the timing chain have a tensioner, anyone?).
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#8
#9
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here is the diagnosis from the jaguar shop I took the car to (direct quote cut and paste)
"This is a drive belt, tensioner and pulley concern. Jaguar has made some updates and this is one of them. The repair would involve replacing the serpentine drive belt; the belt tensioner and also the idler pulley. With the supercharger belt being off then I would suggest replacing that as well."
thanks for the input.
#10
#12
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Hows your history on this car? by that I mean reliability has it been a PITA? I really enjoy XK's I personally feel like they look like modern cars like no one could tell your car is from 07 unless they personally know about Jags. I guess only age scares me of the car but I have an 12'XF and a recent purchase at that and its been solid for a year and 3 months now so age shouldnt really scare me that much just scares me that the fact IDK how to work on a car let alone a luxurious/foreign Bad B***h like these.
#13
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I just purchased the car in august so others with longer ownership would be in a better place to comment. from what i have read online these are quite reliable beasts and the jaguar specialist shop that is working on the car also said the same thing. of course jags seem to be know for their electrical eccentricities
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#14
#15
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I came back to this thread after starting my car this morning and hearing the exact same sound, right down to the fact it starts that tell-tale belt squeaking as soon as the more prominent sound stops. Thank you for confirming the cause, so many times these threads don't get seen through to completion.
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tommytarget (12-16-2022)
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