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Old 31-12-2019, 11:54   #1
Jim Salter
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Pop/Clunk from clutch pedal

Hello, a couple of weeks ago my clutch pedal started squeaking and yesterday I sprayed a little oil around the sprint (back of pedal)

The squeak went away but now there is a pop or clunk when releasing the pedal.

The sound is definitely coming from the pedal (inside the cabin) and happens after the gear is selected and the clutch is engaged.

Any other experienced this? Any info/advice appreciated.

Thanks.
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Old 31-12-2019, 13:35   #2
plip1953
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So you get this pop/clunk while your foot is still on the pedal? Have you checked for free play?
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Old 31-12-2019, 14:30   #3
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So you get this pop/clunk while your foot is still on the pedal? Have you checked for free play?
Yes, as I am releasing the pedal, just before I take the foot off, the pop/clunk happens.

I'll try get a video up later.
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Old 31-12-2019, 19:11   #4
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Yes, as I am releasing the pedal, just before I take the foot off, the pop/clunk happens.

I'll try get a video up later.
Given that the interaction between the clutch and master cylinder is intrinsically very simple, I'd first be looking to check on free play, and adjust as required.

Beyond that, maybe I'd be wanting to reassure myself regarding the integrity of the clutch pedal assembly itself. Is the car high mileage?
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Old 31-12-2019, 20:20   #5
Jim Salter
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Given that the interaction between the clutch and master cylinder is intrinsically very simple, I'd first be looking to check on free play, and adjust as required.

Beyond that, maybe I'd be wanting to reassure myself regarding the integrity of the clutch pedal assembly itself. Is the car high mileage?
Thanks again for the reply plip.

I have been in under the dash and have identified what is making the noise



Car is not high milage (140k/km). Originally the car was a GT-A and converted to manual.

Last edited by Jim Salter; 31-12-2019 at 20:24..
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Old 01-01-2020, 09:36   #6
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Nice camera work - you need to be a contortionist to get decent access under there!!

Are you suggesting there's an issue with the clevis pin and rod assembly eg caused by wear between the pin and hole that it passes through in the brake pedal? Have you inserted that o ring and wave washer on the clevis pin shaft?
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Old 01-01-2020, 10:44   #7
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There is slight play in the assembly causing the noise.

As far as I can see there is an O ring and split pin in there, not sure what you mean about the brake pedal.

Yep, if is a pain in the hole getting in under there.
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Old 01-01-2020, 11:03   #8
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There is slight play in the assembly causing the noise.

As far as I can see there is an O ring and split pin in there, not sure what you mean about the brake pedal.

Yep, if is a pain in the hole getting in under there.
I'd not previously come across the O ring and wave washer arrangement before, but it does seem like a good idea to take up any slack.

By "brake pedal" I meant the arm section where the clevis pin passes through. It's metal on metal and I just wondered if over the years/miles wear might occur, increase movement and therefore potentially lead to unwanted noise too.
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