[W126 Coupe] "Whirring" noise in the engine
Jay Hirsch
J.Hirsch at mac.com
Tue Feb 1 22:49:48 EST 2011
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
>>>>>
>>>>>
>>>
>>> The MB Coupes Website!
>>> W126 SEC Mailing List
>>> Postings remain property of MB Coupes, L.L.C.
>>
>> The MB Coupes Website!
>> W126 SEC Mailing List
>> Postings remain property of MB Coupes, L.L.C.
>
> The MB Coupes Website!
> W126 SEC Mailing List
> Postings remain property of MB Coupes, L.L.C.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.pairlist.net/pipermail/mbcoupes/attachments/20110201/a664ba2b/attachment.htm>
More information about the MBCOUPES
mailing list