[W126 Coupe] "Whirring" noise in the engine

[Michael Ramay]

Now you tell me - after Sam's Club finally got D/M in by the case again and
I just bought one. :-(

On Wed, Feb 2, 2011 at 12:03 AM, Jay Hirsch <J.Hirsch at mac.com> wrote:


> Type  F can be used where Dexron/Mercon  is called for but you cannot use

> Dexron/Mercon  where  Type F is called for.

>

> On Feb 1, 2011, at 11:03 PM, Michael Ramay wrote:

>

> "Type F" is different from Dexron/Mercon III? I'll get me some Lucas

> additive tomorrow to see what transpires.

>

> On Tue, Feb 1, 2011 at 7:49 PM, Jay Hirsch <J.Hirsch at mac.com> wrote:

>

>> Cannot  hurt to use Type F  i all transmissons

>>

>> Friend of mine who rebuilds tranny's  and   owns three MBs  use's Type F

>> in all his rebuilds  and  has done so for  twenty five years

>> keep  sleighin

>> Jay H

>>

>> On Feb 1, 2011, at 7:27 PM, Jonathan Hodgman wrote:

>>

>> worn reverse and front pump cheesing out are two very different

>> problems..  your reverse clutches were/are weak, lucas has an additive

>> package that helps make them Grab, as well as thickening the fluid which ups

>> the pressure on the band/clutch pack.

>>

>> You can buy a good bit of time w/ lucas and worn clutches.  Switching to

>> Type F helps as well.

>>

>> Jonathan

>>

>> On 2/1/2011 6:42 PM, mavris2 wrote:

>>

>> Not in anyway would i promote this.... But if worse came to worse and it

>> turns out trans pump. I would try some lucas tranny additive. A few years

>> ago my tranny would lung into reverse. Long story short 2 different shops

>> said needs tranny. I put the lucas in and the reverse problem completly went

>> away. Maybe it will help the seals in the pump if thats where its coming

>> from?

>>

>> Jason

>>

>> ------------------------------

>> From: Jonathan Hodgman <jhodgman at gmail.com> <jhodgman at gmail.com>

>> Sent: Tuesday, February 01, 2011 4:58 PM

>> To: Mercedes Coupes Mailing Lists <mbcoupes at mbcoupes.com><mbcoupes at mbcoupes.com>

>> Subject: Re: [W126 Coupe] "Whirring" noise in the engine

>>

>> if it's from the trans only thing that would whir would be the front

>> pump....NG :(

>>

>>

>> On 2/1/2011 4:47 PM, Michael Ramay wrote:

>>

>> I did the long screwdriver to the ear trick and it, unfortunately, ain't

>> the pump. Darn. Good idea though.

>>

>> What about something in the front of the tranny??

>>

>> On Tue, Feb 1, 2011 at 1:46 PM, Jonathan Hodgman <jhodgman at gmail.com>wrote:

>>

>>> they don't have to leak to make noise;-)

>>>

>>> On jack's SEC his pump made noise when it was cold.

>>>

>>>

>>>

>>> On 2/1/2011 4:35 PM, Michael Ramay wrote:

>>>

>>>  Thought about that too and took mine apart (it was fine), then put in a

>>> new set of viton o-rings. It "should" be good for ten more years.

>>>

>>> Good ideas, but not the problem one yet!!

>>> Mike

>>>

>>> On Tue, Feb 1, 2011 at 9:13 AM, Jonathan Hodgman <jhodgman at gmail.com>wrote:

>>>

>>>> I've seen the SLS pumps make a noise that's hard to locate..

>>>>

>>>>

>>>>

>>>> On 2/1/2011 9:22 AM, Michael Ramay wrote:

>>>>

>>>>  It's not turning and it's unplugged.

>>>>

>>>> On Tue, Feb 1, 2011 at 6:15 AM, Markus Meyer <markusfmeyer at gmail.com>wrote:

>>>>

>>>>> Is your air  pump unplugged?  That's what mine sounded like till I

>>>>> unplugged it.

>>>>>

>>>>> Markus

>>>>>

>>>>>   On Tue, Feb 1, 2011 at 9:00 AM, Michael Ramay <mike.ramay at gmail.com>wrote:

>>>>>

>>>>>>  My '87 560SEL makes a "whirring" noise when it's first started.

>>>>>> Sounds almost like a bad bearing in the alternator and loud enough that my

>>>>>> wife is commenting on it but in a mile or so it goes away.

>>>>>>

>>>>>> - I removed all the V-belts on the front of the motor, still have the

>>>>>> noise.

>>>>>> - Since it sounds like it's coming from the passenger side of the

>>>>>> engine up high, I removed that valve cover then ran the engine - it was

>>>>>> louder.

>>>>>> - Put in a new timing chain and new guides. !@#$%^&* - still have the

>>>>>> noise but the car has noticeably more power.

>>>>>>

>>>>>> It REALLY needed the guides since one was broken in two and a 3" long

>>>>>> piece is missing plus another had the hole for the retention pin wallowed

>>>>>> out.  I looked very carefully down the chain pathway during the

>>>>>> installations but no sign of the piece.

>>>>>>

>>>>>> Will removal of the oil pan allow me to see much of the lower timing

>>>>>> chain guide area? If the missing chain guide is jammed in there and rubbing

>>>>>> on the rotating bits, why would the noise diminish in a minute or so of

>>>>>> operation?

>>>>>>

>>>>>> Suggestions??

>>>>>>

>>>>>> Thanks,

>>>>>> Mike

>>>>>>

>>>>>

>>>>

>>>>

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