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Pagoda SL Group  |  W113 Pagoda SL Group  |  Wanted To Buy  |  Topic: WTB: Injection pump thermostat for 230SL Advanced search
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Topic: WTB: Injection pump thermostat for 230SL  (Read 4722 times)
« on: March 07, 2013, 18:51:18 »
Sleeping Beauty
Guest

Need a functional thermostat for R-11 pump.  Also known as Warm Running Device (WRD)
Thanks,  Brian
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Reply #1
« on: March 08, 2013, 05:13:53 »
IXLR8
Full Member
Silver
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Location: USA, SC, Kiawah Island
Posts: 404



Hi Brian--

You will see them frequently on EBay. They sell for around $46.

Look under W113 parts or 230 SL parts.

I haven't looked today, but there was one listed within the past week.

the other Joe
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65 230SL
113 042 10-010467
 
Reply #2
« on: March 08, 2013, 07:08:33 »
Sleeping Beauty
Guest

Well, yes there is a current listing for $850 Shocked     http://www.ebay.com/itm/MERCEDES-230SL-250SL-300-600-FUEL-INJECTION-CHOKE-THERMOSTAT-WARM-UP-INJECTION-/130852718961?pt=Motors_Car_Truck_Parts_Accessories&hash=item1e776e0971&vxp=mtr

I was hoping to find a working used one for less. 
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Reply #3
« on: March 08, 2013, 07:28:08 »
Garry
Membership Administrator
Platinum
******
'65 230SL Location: Australia, Victoria, Hanging Rock
Posts: 2617

WWW

surely that $850 cannot be right?Huh?
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Garry Marks
Hanging Rock, close to Melbourne, Australia
1965 MB 230SL Auto RHD Lt Blue 334G, Top 350H, 213 Leather, Tourist Delivery
1974 VW Kombi Pop Top Camper
2005 MB A200
2013 VW 180 V6 Touareg
 
Reply #4
« on: March 08, 2013, 13:45:44 »
w113dude
Associate Member
Gold
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Location: USA, NY, Champlain
Posts: 726



would you be able to use this instead?


* W.JPG (440.53 KB, 1280x960 - viewed 115 times.)
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Shaun Pooladian

67 250SL Auto late, Euro under restoration
70 280SE Coupe factory 5speed
72 250C  (for sale)
80 300CD, converted to 4sp manual, every day driver
 
Reply #5
« on: March 08, 2013, 17:00:36 »
Sleeping Beauty
Guest

Shaun:

I'm not sure if that's a fit.  Mine is in the shop at the moment...so I can't confirm till Monday.
What year/model did yours come from?  Later than 1966 won't work.

Thanks very much,
--Brian
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Reply #6
« on: March 08, 2013, 17:07:34 »
Jonny B
Pagoda SL Board
Platinum
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Location: USA, CA, San Marcos
Posts: 2116



The WRD for the 230 SL is/was quite expensive. A different beastie than on the later pumps.
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Jonny B
1967 250 SL Auto, DB 568
1970 280 SL Auto, DB 904
 
Reply #7
« on: March 08, 2013, 19:01:39 »
w113dude
Associate Member
Gold
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Location: USA, NY, Champlain
Posts: 726



No, it actually came out of a late 67.
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Shaun Pooladian

67 250SL Auto late, Euro under restoration
70 280SE Coupe factory 5speed
72 250C  (for sale)
80 300CD, converted to 4sp manual, every day driver
 
Reply #8
« on: January 10, 2014, 16:44:28 »
Paul99
Associate Member
Senior
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Location: United Kingdom, England, Hampshire
Posts: 100



I have found out that there are two, a long wax stat, only on the early 230's and the short wax stat after 67ish I think.  Anyway, totally different, not mixable as the housing etc are 100% different.

The long (early 230 wax stats) are like hens teeth!  about $800 or more the later smaller wax stats are really cheap.  But you can swop the whole assembly - wax stat and housing and WRD at a total unit which may be a way around the $800 buy!

I have been looking at this issue for a long time, I thought my wax stat (the $800 one )was duff, but in fact its fine.  Putting in hot water and the end moving by a few mm's is fine.   (about 4 I think)  The issues seem to all be around the plunger getting stuck.

One question though - should there be any kind of washer between the wax stat (the long one) and the housing? Otherwise its just brass on aluminium ? 
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Reply #9
« on: January 11, 2014, 01:41:41 »
66andBlue
Pagoda SL Board
Platinum
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Location: USA, CA, Solana Beach
Posts: 3111



.. One question though - should there be any kind of washer between the wax stat (the long one) and the housing? Otherwise its just brass on aluminium ? 
Yes. See this photo in an earlier post:
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Alfred
1966 230SL automatic 334G light blue
1968 280SL automatic (now 904G midnight blue)
 
Reply #10
« on: January 11, 2014, 18:39:55 »
George Des
Associate Member
Gold
*****
Location: USA, Fl, Ft Myers
Posts: 929



I sold a good used one not too long ago on ebay. They are different from the ones used on 280sl. Not sure about the 250Sl FI pump but othfr pre-67 FI sedans used the same wax filled thermostat. Not sure if the entire newer type assembly can be adapted to work with the R11 pump
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Reply #11
« on: January 17, 2014, 12:15:03 »
twistedtree
Full Member
Silver
****
Location: USA, MA, Gloucester
Posts: 498



I'm pretty sure the various WRD assemblies are NOT interchangeable.  I recall trying this a while back and the bore in the injection pump body is a different size for the different WRDs, You either can't inset the wrong WRD, or it will be loose and flopping around.  It's been a year or two since I played with this, but that's my recollection.

Oh, and I think there are three different assemblies, though only two different wax heat feelers.
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Peter Hayden
1964 MB 230SL
1970 MB 280SL
1971 Volvo 142E
2011 BMW 550xi
 
Reply #12
« on: January 18, 2014, 16:20:49 »
George Des
Associate Member
Gold
*****
Location: USA, Fl, Ft Myers
Posts: 929



This is certainly a part that Bosch or MB should consider for manufacturing again if NLA. It is an essential part of the FI pump and I'm not aware of any work arounds if a replacement can not be found. All that being said, I'm not sure that the part is one that needs to be replaced that often given that all it appears to be is a wax filled cylinder with a small piston like actuator pin, but if you need one, you need one!

George
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Reply #13
« on: January 18, 2014, 18:03:20 »
m300cab
Associate Member
Senior
***
Location: USA, State, Pennington
Posts: 159



I'm an investement advisor, been watching the imaging and reproduction sector, one company is 3D systems, I imagine they can reproduce the part, or their competitors...(xone)
anyone have time to research this?
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Michael Parlato
 
Reply #14
« on: March 07, 2014, 21:45:15 »
Travis71280
Full Member
Regular
**
Location: USA, FL, Newberry
Posts: 73



Shaun are you selling that wrd? I have a 1971 280sl in need of one. The air valve on mine froze up and it looks just like that one. I was just curious...
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1971 280SL
1970 Chevrolet C-10
 
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