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 LYN PROTON IRIZ OWNER THREAD V9, Fun, meet feisty.

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wjang85
post May 26 2022, 06:51 PM

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QUOTE(Created On 21/1/2021 @ May 26 2022, 11:20 AM)
My rear view mirror is getting loose, any idea how to fix it? There is no screw for me to tighten.
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https://youtu.be/23HrIJJv800
wjang85
post Jun 24 2023, 06:56 PM

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QUOTE(megadisc @ Jun 21 2023, 10:21 AM)
hi sifuus

rear view mirror loose on 1st batch iriz ? any advise

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https://youtu.be/23HrIJJv800
wjang85
post Apr 20 2024, 09:45 AM

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Hi, does anyone knows where is the thermo amplifier located in the car?

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wjang85
post Nov 26 2025, 11:11 PM

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QUOTE(elyssa_ @ Nov 26 2025, 06:48 PM)
That is actually the first thing I’ve tried.. not much different if at all even under inflate all tyres.

Something and somewhere is wrong it seems like the car is riding on limited absorber travels and ride on bump stops instead. The compression is harsh and lack of rebounce after compression.. it’s just crashing down and stop.

The recommended tyre pressure for the front tyre is already very under inflated.

I am wondering if the bump stop actually the culprit.. because after the workshop cut off some of my old rear bump stops, the car is actually twice more comfortable but the solution only works for few days.

I have changed all four side with new bump stops but to no avail.
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The harsh ride is the overall or just rear?
wjang85
post Nov 27 2025, 01:15 PM

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QUOTE(elyssa_ @ Nov 27 2025, 12:29 PM)
overall.. but the rear is significantly worse

the car is basically rides on bump stops like the chassis never settle
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Seems like u hv changed most bushes. Have u also changed the rear axle bush? Most of the time, this bush is overlooked.
wjang85
post Nov 27 2025, 04:29 PM

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QUOTE(ktek @ Nov 27 2025, 03:14 PM)
also can.
got loud gong noise?
axle bush pecah whole car shake when corner
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Bro, rubber degrades by heat & becomes hardened overtime. It's not like yesterday in tip top condition & straight away totally kong today. Maybe the bush has degraded but not up to the extent that it failed totally.

Why I suspected it is because I used to use racing grade silicone rear axle bush (very high hardness). Cornering & instant maneuvers are rock solid. However, it also worsen the NVH significantly given it's on street (bumps & potholes) & not track. So I decided to downgrade it to a more forgiving lower hardness silicone bush, which is in between rubber & race grade.

So my lesson is harder ≠ better. Practicality is more important especially when it's a daily drive & not tracking.

That's the reason why I advise OP to have a look at it. It could have been hardened due to heat & other environment factors. We'll nvr know.

This post has been edited by wjang85: Nov 27 2025, 04:47 PM

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