[W126 Coupe] "Whirring" noise in the engine

[Jay Hirsch]

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>

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

>>> To: Mercedes Coupes Mailing Lists <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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