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Strange sound (Audio link) when accelerating in 1st or 2nd

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New User

Jul 8, 2021, 6:54 AM

Post #1 of 2 (594 views)
Strange sound (Audio link) when accelerating in 1st or 2nd Sign In

Hi all,

I suddenly experience a very weird sound when accelerating in 1st or 2nd gear. I don't experience this sound whatsoever as soon as I'm in 3rd or higher. Only occurs while hitting the gas. Any ideas what this could be? I drive an Opel/Vauxhall Insignia CDTI (2010). Many thanks!

For the sound:

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jul 8, 2021, 7:11 AM

Post #2 of 2 (589 views)
Re: Strange sound (Audio link) when accelerating in 1st or 2nd Sign In

Car not sold to the US where this site is based. Still noises are educated guesses helps to know age of what it is.

Noises load dependent such us using 1st and second to start off maybe one or more on this list.

Engine mount can lift and something touches that shouldn't, heat shields losing spot welds anywhere protecting parts of hot exhaust,
Just first two gears is only a clue suggests more load on engine/trans/gearbox (if you call that) than weight of it so the guess was it can move on a broken mount.

If that fits IDK, try opening hood and watch which way engine tilts, parking brake on hard just give it a quick fight sitting still.

Now go look at mounts on that side or end of engine trans as an assembly.

Best I can do didn't hear a thing in a 7 second YouTube on it,


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