[W126 Coupe] "Whirring" noise in the engine

[Michael Ramay]

"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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