Pulsation damper on ABC pump - MBWorld.org Forums

Nov 8, 2017 | 08:17 AM

VinnyT

Thread Starter

Member

Joined: Aug 2008

Posts: 161

Likes: 13

2006 S65

Pulsation damper on ABC pump

Can I replace this myself or does it need a team of 32 Mercedes mechanics to transplant a new one without the car going into cardiac arrest?

Nov 8, 2017 | 10:28 AM

Denis_E55

Senior Member

Joined: Jul 2014

Posts: 295

Likes: 2

09 S63

Why are you wanting to replace the Pulsation Damper on ABC Pump? What symptoms are you having?

I went to replace my Pulsation Damper on Steering Pump and all I could see was the ABC Pulsation Damper. I didn't even think to look for the power steering pump on my S63 (idiot of me). I will get the car in the air again tonight and try to locate the steering pump to replace the damper.

Nov 8, 2017 | 11:15 AM

VinnyT

Thread Starter

Member

Joined: Aug 2008

Posts: 161

Likes: 13

2006 S65

Quote:

Originally Posted by Denis_E55

I have a noise/buzzing between 1000-1500 rpms. I was told the damper is shot.

Nov 8, 2017 | 11:22 AM

Denis_E55

Senior Member

Joined: Jul 2014

Posts: 295

Likes: 2

09 S63

Quote:

Originally Posted by VinnyT

I have a noise/buzzing between 1000-1500 rpms. I was told the damper is shot.

Is it the ABC damper or the POWER STEERING DAMPER? On the TSB Mercedes has out it's for the POWER STEERING DAMPER on W221 cars. I was under my 09 S63 last night and by the drivers front tire there's an item that looks like pulsation damper but it's actually called ABC Accumulator. I am stuck on which one needs replaced,the damper on the PS Pump or the ABC Accumulator...

Mercedes TSB # LI32.50-P-048280. It says Part # A0004660010 (pulsation damper) is VALID FOR W216,W221 & W230 vehicles. The other Part # A2203270215 (nitrogen chamber) is for W215, W220 &W230.

Hopefully someone can chime in and help us!