[W126 Coupe] Maintenance question-Now Brake Fluid Dot #

[Dick Spellman]

Dean,

If the cap says DOT 4 replenish with same.  It's non-synthetic and 
should be fine.  Early models have DOT 3 on the cap.
For reference purposes and for the benefit of others, what is the model 
year/make with DOT 4 cap?

Regards,
Dick

Dean Slone wrote:

> The cap on my brake reservoir says to use DOT 4.  

>  

> Wikipedia http://en.wikipedia.org/wiki/DOT_4  seems to say that the 

> only diff between

> *DOT 3* 205°C (401°F) 140°C (284°F)  and

> *DOT 4* 230°C (446°F) 155°C (311°F) are the boiling points.

>  

> I am not racing or driving in Death Valley in July so DOT 3 should be 

> alright even though the cap says DOT 4.  Correct?

>  

> Dean

>

>     ----- Original Message -----

>     *From:* Dick Spellman <mailto:dick.spellman at gmail.com>

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

>     *Sent:* Wednesday, July 22, 2009 9:46

>     *Subject:* Re: [W126 Coupe] Maintenance question

>

>     Camran,

>

>     transmission kit components are:

>     Pan Rubber Gasket

>     Transmission Filter

>     Torque Converter Plug seal (flat crush washer)

>     Transmission Drain Plug seal (flat crush washer)

>

>     Order it up from Jonathan.

>

>     Brake Fluid is standard DOT 3 available anywhere.  If using a

>     pressure bleeder pumped to 30 lbs as required to move fluid past

>     the ABS pump, be sure and buy the two rubber brake reservoir caps

>     from local MB dealer as these will be cracked if original and blow

>     with the required pressure bleed.  Sequence is pass rear, driver

>     rear, pass front, driver front.

>

>     Do you have a pressure bleeder set-up or need a reference?

>

>     I agree with preferred use of pre-mixed MB anti-sneeze fluid.

>

>     Regards,

>     Dick

>

>     Camran Nassiri wrote:

>>     I am getting ready to do a 30K maintenance routine on my 90

>>     560SEC (70K miles total miles) and had a couple of questions.

>>     1- the transmission filter kit at my parts shop is $17.99 and the

>>     dealer says $85.  Is there a difference?

>>     2- Is dextron III the right fluid for the tranie?

>>     3- Should I bother changing the differential fluid also?

>>     4- I am flushing the brake lines and changing the coolant.  I am

>>     getting those fluids from the dealer.

>>     Thanks,

>>     Camran 90 560SEC, 91 420SEL 80 240D

>>

>>

>>

>>

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>

>

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