Help With Sound- 86 Carrera- (Video)

[NeedAJoker]

I recently started going through my 153k mile 3.2 and ran into a noise today while moving it around the driveway. I think this sound has likely existed for a while, I just happened to have my coupler hatch open today so it was much more distinct. I got a decent video of moving the car back and forth a few feet on flat ground.

You will hear the rotational sound as I go between clutch engaged and in/out of gears, but also pay attention to the noise when I lightly bump 4th(I think it was 4th) gear to it's maximum travel.

Searched the forums a lot but hard to nail it down that way. Throw out bearing? Pilot Bearing? Clutch?

Trying to stick to one problem at a time but does this move to the top of the priority list?

https://youtu.be/tOwOr8dpcP8

TIA

[proporsche]

sounds to me if i understand correctly you step on the clutch pedal and hear this sound,right?
If yes your are overstretching the TO bearingon the press.plate.You are going past the stop for the pedal on your pedal cluster wooden board...
Ivan

[NeedAJoker]

Ivan, that is generally correct, just went out and this is the sequence:

Start Car in Neutral w/ Clutch Depressed then Released: No Noise
Push Clutch to Floor: Noise starts very faint, and then goes away when I let off clutch about 2-3 inches from the floor while in Neutral.
Push Clutch to Floor: Faint Noise Returns
Put Car in Reverse and Slowly Let off Clutch: Noise is louder until Reverse Fully Engaged then Gone
Push Clutch to Floor: Noise Returns

It for sure feels like it is a decent magnitude louder when releasing the clutch while in gear vs not.

Let me know if anything else will help nail down a likely culprit.

Kevin

[proporsche]

ok, look at your floor panel and take a picture.Also if you can take a picture from the bottom of your clutch ar so i can see the adjustment.....something like this

[NeedAJoker]

Ivan seems like you nailed at least part of it with "You are going past the stop for the pedal on your pedal cluster wooden board..."



The pedal was missing hitting the rubber stop completely, and actually had bent down the metal retainer for the stop so that it couldn't slide in anymore. I was able to bend it back in place, slide the stop back in flush, and give it a go.

I made sure to just gently engage the stop, and it did seem to briefly eliminate or reduce some of the noise but not completely. In Neutral if I come off the clutch about an inch or so now, the sound goes away. In gear though, especially if I engage the clutch back to the stop while the car is still slightly moving it for sure still makes the grindy noise.

Here are the images from under the car per your request:

[proporsche]

ok ..from what i see....your clutch cable is stretched-you will need new one.....also your clutch disc and the clutch itself is in the end of its live.Sorry for the news
Also on your pedal board ,those 2 screws are there to adjust the stop..needs to be move a little lower..

How many miles on the clutch ..most likely around 70-80 k right?

Ivan

[NeedAJoker]

Unfortunately I have exactly zero records for the cars first $148k miles of it's life so your guess is as good as mine. I will drop that stop a bit, then decide what to do. I was gearing up for a suspension refresh this winter but that seems silly to do without addressing this(and whatever comes along with it) first.

I think my driving is surely done for the year at this point. I will add this to my growing list of needs and try to figure out a plan now that Fall driving is off the table.

Thank you greatly for your help Ivan!

[pete3799]

It looks to me like your omega spring is not snapped back where it should be.
It should be closer to the heat exchanger.

[proporsche]

Originally Posted by pete3799

It looks to me like your omega spring is not snapped back where it should be.
It should be closer to the heat exchanger.

good point..
in this case looks like there is no clutch disc left ..the adjustment is also not good...this all would lead to the noise.

Ivan

[NeedAJoker]

Is there any reason to mess with the adjustments or would that all just be wasted effort as the clutch is for sure gone?

[proporsche]

well? it is obvious you clutch arm is not going all the way back to it position..Do you know how to adjust it?
what i see is that you do not have any clutch disc left..you can try loosen the 15mm nut towards the front of the car to get play for the clutch arm to be pulled back,this way you will get space between the little finger and the clutch arm..After you can adjust the play on the cable and the space between the finger which is about 1-1,5 mm
But again i think this is not going to help you much..but it is worth the try...

Ivan

[NeedAJoker]

Ivan, today you taught me where the clutch cable is, so fair to say I don't have a clue about adjustments. You helped steer me though for the right words to search so I know what reading to do this weekend.

This came yesterday so as soon as I can figure out how the heck to get it out of the box and 8 inches down to the floor I think it will help me get in and look around a bit more.

[proporsche]

that is a very nice box..oh ya the content as well;-)

Ivan

[Cairo94507]

You will never look back once you have a lift. I had a BendPak scissor lift in my last garage. We saw cut the concrete and dug the pits so the lift would sit at a finish height to match the floor. We also cut the channels in the floor to connect the 2 ramps and then run the hydraulics to the cabinet where we mounted the control panel with the motor in a cabinet compartment.

We sold that home in 2021 and are awaiting plan approval for 1 1550 sq. ft. garage where we will install another lift.

[NeedAJoker]

Cairo that looks legit. I figured if I was going to start wrenching a bit myself, with zero mechanical experience, I better make it as easy(and safe) on myself as possible.

Now it seems like I am staring down the barrel of an engine drop so might become more important than I even thought it was going to be this Fall.

[proporsche]

Originally Posted by Cairo94507

You will never look back once you have a lift. I had a BendPak scissor lift in my last garage. We saw cut the concrete and dug the pits so the lift would sit at a finish height to match the floor. We also cut the channels in the floor to connect the 2 ramps and then run the hydraulics to the cabinet where we mounted the control panel with the motor in a cabinet compartment.

We sold that home in 2021 and are awaiting plan approval for 1 1550 sq. ft. garage where we will install another lift.

that looks great....

[NeedAJoker]

After a few week delay getting the lift setup, ramps built, etc, I was able to get under the car and get a new video, have a few questions before I fully commit to trying to replace the clutch and all that comes with it:



The clutch pedal has about 1-2" of low tension free play before it engages and the spring starts moving if that matters.

1. As pointed out earlier, Omega spring is not in the correct spot, as it should be up next to the heat exchanger. Wayne's 101 book states using a screwdriver to pull the arm and snap the spring into place, is this what I need to do after disconnecting cable?

2. Screw on actuating lever is not 1.2mm, in fact it looks to be 0. Changing this without first correcting the Omega spring seems pointless I assume?

3. The cable adjusting nuts/washer have worked themselves inside the aluminum(?) bracket. Once cable removed, should I attempt to squeeze this closed? Replace bracket?

4. Is the arm sitting on top of the omega spring not seated all the way? It looks like in other pictures I have seen it should be more flush.





If the answer is "Bro I already told you, you need to replace the clutch.." then that is fine, but, I figure I need to learn how to do this anyway so might as well start with what I have to at least get that correct. Thanks everyone in advance.

Kevin

[proporsche]

as you know by now....before you put the little finger on the shaft ,you need to pull the clutch arm with the cable attached to it back with a bar or screwdriver.Prior this you must release the 15mm adjusting nut -on your clutch cable, it is way to tight and you will never be able to pull back the arm with omega spring..only after you`ll pull it back you install the little finger with the spring.But,(looking at your stop bolt adjustment 13mm head, you do not have much left on your clutch disc.

Ivan