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  #1  
Old 06-03-2014, 09:02 PM
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Join Date: Jul 2004
Location: Barrington, RI
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Why new steering reservoir cap design?

Noticed I didn't seem to have a perfectly tight seal at the top of the steering reservoir on the 98...so I ordered a new cap from Mercedes....Part # 0014662705.

Instead of a flat top it looks like it has some sort of opening....see pic.

Anyone know why the design change?

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Why new steering reservoir cap design?-ps-cap.jpg  
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06 E320 CDI "Benson", Platinum Blue, 176k mi
06 E320 CDI "Rutherford", Black, 149k mi
91 300D "Otis", Smoke Silver, 130k mi
98 E300 "Murray", Silver, 133k mi, Stage 2 Rocketchip chip tuned (FOR SALE)

Twelve other MB's owned and sold
2002 Honda Odyssey 260k mi (want to name it "Homer," wife won't let me)
1961 Very Tolerant Wife

Last edited by shertex; 06-03-2014 at 09:20 PM.
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  #2  
Old 06-03-2014, 09:20 PM
Vice President of Snark
 
Join Date: Nov 2009
Location: Austin, TX
Posts: 1,216
This is for your 98 E300D?

Maybe a pressure relief valve? The older style pump with integrated reservoir tended to leak from the seal. So maybe this is an effort to release occasional high pressure?
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'85 300TD "Puff The Magic Wagon" - On the road again!
'95 E300d - 110K Looking for a new home
'15 Volvo XC70 T6 - Wife's sled
'84 300TD "Brown Betty" - Miss this one
'81 240D "China Baby" - Farm grocery getter
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  #3  
Old 06-03-2014, 09:26 PM
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Join Date: Jul 2004
Location: Barrington, RI
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Quote:
Originally Posted by andrewjtx View Post
This is for your 98 E300D?

Maybe a pressure relief valve? The older style pump with integrated reservoir tended to leak from the seal. So maybe this is an effort to release occasional high pressure?
Yes, the 98 E300D. And yeah, pressure relief is what I was suspecting.
__________________
06 E320 CDI "Benson", Platinum Blue, 176k mi
06 E320 CDI "Rutherford", Black, 149k mi
91 300D "Otis", Smoke Silver, 130k mi
98 E300 "Murray", Silver, 133k mi, Stage 2 Rocketchip chip tuned (FOR SALE)

Twelve other MB's owned and sold
2002 Honda Odyssey 260k mi (want to name it "Homer," wife won't let me)
1961 Very Tolerant Wife
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  #4  
Old 06-03-2014, 09:32 PM
Vice President of Snark
 
Join Date: Nov 2009
Location: Austin, TX
Posts: 1,216
You have to give it to Mercedes, they are one of the few automakers I've seen that release updated parts. Other make no changes after a part is released unless it's been part of a recall.
__________________
'85 300TD "Puff The Magic Wagon" - On the road again!
'95 E300d - 110K Looking for a new home
'15 Volvo XC70 T6 - Wife's sled
'84 300TD "Brown Betty" - Miss this one
'81 240D "China Baby" - Farm grocery getter
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  #5  
Old 06-03-2014, 10:12 PM
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Join Date: Jul 2004
Location: Barrington, RI
Posts: 5,522
I do have a steering fluid leak somewhere...maybe my fancy schmancy new cap will slow it down!

__________________
06 E320 CDI "Benson", Platinum Blue, 176k mi
06 E320 CDI "Rutherford", Black, 149k mi
91 300D "Otis", Smoke Silver, 130k mi
98 E300 "Murray", Silver, 133k mi, Stage 2 Rocketchip chip tuned (FOR SALE)

Twelve other MB's owned and sold
2002 Honda Odyssey 260k mi (want to name it "Homer," wife won't let me)
1961 Very Tolerant Wife
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