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![]() | Home > Technical > front diff,PTU,bearing noise? Also cambelt/haldex service |
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pistol pete Member Since: 28 Nov 2019 Location: Kent Posts: 55 ![]() ![]() |
how do
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lrman Member Since: 15 May 2023 Location: Hampshire Posts: 93 ![]() ![]() ![]() |
I have no particular experience of the FL2 in this respect but I will kick things off.
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lrman Member Since: 15 May 2023 Location: Hampshire Posts: 93 ![]() ![]() ![]() |
Oh, and this is probably clutching at staws but check you don't have a failed engine mount. Or exhaust touching something. The sound could possibly be metal on metal vibration as the engine moves under load?
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jules Member Since: 13 Dec 2007 Location: The Wilds of Warwickshire Posts: 5160 ![]() ![]() ![]() |
Worn front wheel bearings can sound much like a PTU failing.
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lrman Member Since: 15 May 2023 Location: Hampshire Posts: 93 ![]() ![]() ![]() |
Jules, that is an interesting diagram. I missed it in the manual.
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jules Member Since: 13 Dec 2007 Location: The Wilds of Warwickshire Posts: 5160 ![]() ![]() ![]() |
yep
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lrman Member Since: 15 May 2023 Location: Hampshire Posts: 93 ![]() ![]() ![]() |
got it, thanks. FL2 2007 2.2d Auto SE. Baltic Blue. |
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pistol pete Member Since: 28 Nov 2019 Location: Kent Posts: 55 ![]() ![]() |
Thank you everyone for the replies.
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Nodge68 Member Since: 15 Jul 2020 Location: Newquay Posts: 2086 ![]() ![]() ![]() |
Timing belt is a diy job, if you've done a timing belt before. It's about 4 hours work first time round, and under 2 ½ hours if you've done a few. Haldex is easy, it's just a pain because of its location. Hyundai Ioniq 5 Ultimate. The family car.
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pistol pete Member Since: 28 Nov 2019 Location: Kent Posts: 55 ![]() ![]() |
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pistol pete Member Since: 28 Nov 2019 Location: Kent Posts: 55 ![]() ![]() |
So jacked all 4 wheels of the ground and ran the car.
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Nodge68 Member Since: 15 Jul 2020 Location: Newquay Posts: 2086 ![]() ![]() ![]() |
Don't worry about 3 driven wheels, it could have been as little as 2 wheels spinning, I expect one rear brake is dragging. The vehicle has open diffs front and back, relying traction control via the brakes to a give cross axle locking effect.
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pistol pete Member Since: 28 Nov 2019 Location: Kent Posts: 55 ![]() ![]() |
I guessing it won't be anything inside the gearbox front where the ptu connects. But the actual ptu itself. |
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jules Member Since: 13 Dec 2007 Location: The Wilds of Warwickshire Posts: 5160 ![]() ![]() ![]() |
I presume you have an autobox as you say "park". The Park only works on the front wheels as the FL2 is a FWD car with occasional 4WD. With both wheels up, when you turn one wheel the other turns in the opposite direction - this is normal front differential in action with crown wheel held by "Park". "Park" has no effect on the rear wheels. The handbrake works on the rear wheels. Jules |
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