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Old 09-21-2013, 08:03 PM   #1
AndyN
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My Ride: ESS TS2 325ci
ESS Compressor sounding like balls

Hi Guys,
Im having serious problems, Ok so the CEL is on due to O2 sensors even though 4 were replaced wth original Bosch sensors...
Now its starting to sound so **** that with the windows down instead of the nice whistle it sounds like its twice as loud and its kind of like a bad of cats screaming from inside the compressor housing...

Its almost 1 year since the car was road legal,( as a 2.5 now its a 3.0)
I somehow cant seem to get this car to just be ok....

It will run ok for 1000 miles then, O2 sensor, new power steering pump, new mass air flow sensor, new wishbones, new tires,

Ok so I have done the swap from 325 to 330 but I cant get ESS to sort the problem of 02 sensors but this is a much more worrying problem. I now dont drive the car again so its back in the shed where it belongs..


Apologies for the negativity but ESS is killing me.... I look at an e46 320d SE and thing WOW unreal...
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Old 09-22-2013, 01:35 PM   #2
paraklas
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Are you positive it's coming from the Twinscrew unit? When my belt was disintegrating, I was hearing similar noises, perhaps you have a combo with a bad tensioner?
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Old 09-23-2013, 01:49 AM   #3
AndyN
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Hi Paraklas,
The sound is definitely coming from the compressor itself. I have a brand new belt and belt tensioner on and there is no play in the belt. It sounds like there are led balls inside or maybe the spinning screws are out of line.

Is it possible for bearings to go bad on the unit? The only thing that was changed during the engine swap was the arm to the MAF and the pulley.
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Old 09-23-2013, 05:14 PM   #4
Minnoe07
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ESS Compressor sounding like balls

Did you check the oil level?


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Old 09-24-2013, 02:25 AM   #5
AndyN
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Yes Oil level is fine. I drained the old oil and placed new oil in. Used the overflow hole to make sure it is ok.

Im going to lift the supercharger off in the coming days and take a look in. It sounds like there are stones in there, thats the kind of noise we are talking about...

Do bearings ever need to be replaced inside the unit?
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Old 09-24-2013, 09:46 AM   #6
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So Nobody's Compressor has ever gotten louder here no? Anyone ever have problems with it????
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Old 09-24-2013, 02:35 PM   #7
Minnoe07
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ESS Compressor sounding like balls

Not me. One time compressor was a little noisy, checked the fluid and it was a skittle low. Topped it off and it was fine.


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Old 09-25-2013, 12:30 AM   #8
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Quote:
Originally Posted by AndyN View Post
Yes Oil level is fine. I drained the old oil and placed new oil in. Used the overflow hole to make sure it is ok.

Im going to lift the supercharger off in the coming days and take a look in. It sounds like there are stones in there, thats the kind of noise we are talking about...

Do bearings ever need to be replaced inside the unit?
I was told long ago that the actual compressor will probably outlive the engine and shouldn't require any rebuild. The only thing I do on the TS is to drain the oil every 2 years and fill with 10W60 Castrol TWS

I think if you take it out you will easily spot the noise source
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Last edited by paraklas; 09-25-2013 at 12:33 AM.
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Old 09-25-2013, 09:07 AM   #9
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Quote:
Originally Posted by AndyN View Post
Hi Guys,
Im having serious problems, Ok so the CEL is on due to O2 sensors even though 4 were replaced wth original Bosch sensors...
Now its starting to sound so **** that with the windows down instead of the nice whistle it sounds like its twice as loud and its kind of like a bad of cats screaming from inside the compressor housing...

Its almost 1 year since the car was road legal,( as a 2.5 now its a 3.0)
I somehow cant seem to get this car to just be ok....

It will run ok for 1000 miles then, O2 sensor, new power steering pump, new mass air flow sensor, new wishbones, new tires,

Ok so I have done the swap from 325 to 330 but I cant get ESS to sort the problem of 02 sensors but this is a much more worrying problem. I now dont drive the car again so its back in the shed where it belongs..


Apologies for the negativity but ESS is killing me.... I look at an e46 320d SE and thing WOW unreal...
Try contacting the guys over at Evolve in the UK they might be able to help you out.

http://www.evolveautomotive.com/
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Old 09-28-2013, 08:13 PM   #10
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Quote:
Originally Posted by AndyN View Post
Used the overflow hole to make sure it is ok.
Are you sure the hole (on the side) is an overflow hole?
I thought they were holes to fill when mounted in horizontal orientation.
Ask ESS how much oil they recommend. (or: fill the exact amount you extract)

If your compressor rattles (more than usual), better hope the screw blades are still fine (those are expensive). Most other parts are (relative) cheap afaik (gearset being the most expensive). It's a lysholm 1600ax.

Also check (apart from the belt tensioner and steeringpump you already replaced) all rollers on the belt drive. So water pump, the ESS bracket rollers, alternator and the mid roller.
Most things you describe (O2 sensor, new power steering pump, new mass air flow sensor, new wishbones, new tires) seem to me like regular (or overdue) maintenance.

But if the compressor sounds poor, don't drive another mile to prevent further damage (remove the belt and rotate the compressor pulley, if you hear strange sounds, thats bad....)
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Old 09-29-2013, 01:37 AM   #11
paraklas
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^He's talking about the little hole on the center of the pulley. That is a vent/overfill hole, if you overfill and run the compressor it will make a nice drawing of oil on the hood and surrounding parts
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Old 09-29-2013, 05:57 AM   #12
GuidoK
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Isn't that way too much oil? That means that the lower gear is completely submerged in oil.
In most gear cases only the bottem half of the lower gears are in oil and they swing around the oil for the complete gearcase.
Oh wait, the lower gear would be exactly half submerged.

I have no idea how high the oil level is in the gearcase of the compressor. I just poored in the amount of oil ESS provided (which was a bottem of a bottle, maybe 100ml or so).
That is not 10W60 Castrol TWS btw (although they describe it in the manual) but they switched to vortech supercharger oil (not that that will have such an impact that the compressor will start to rattle).

Anyway, I would contact ESS. Maybe make a video with the belt detached from the compressor pulley and give the compressor pully a big swing with your hand so they can hear the compressor gearcase?
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Last edited by GuidoK; 10-01-2013 at 06:02 PM.
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Old 10-06-2013, 06:43 PM   #13
Martyc
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Sounds similar to mine fella. Just in the throws of determining if it is the bearings as suspected. I'm likely to have a stab at rebuilding my own tbh as very little choice only found one company in the uk that would entertain it and aside from that its a Vortech job
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Old 10-06-2013, 08:09 PM   #14
lab rat
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Mine got louder for sure (about 20k on the compressor). I'm also battling O2 sensor issues.
I suspect carbon build up in the intake ports is screwing my AFR.
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