Pagoda SL Group
W113 Pagoda SL Group => General Discussion => Topic started by: waqas on January 30, 2007, 16:33:35
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Hallo all,
I was about to purchase a new water pump for my 250 (129.98x), but discovered there were two types: the short-hub 105mm (1102001020) and the long-hub 135mm (1102000920). I thought the long-hub version was only an option for the 130.xxx engine? (depending on the pulley used)
Is there a way to tell which one I already have on the engine without removal?
Thanks in advance.
WAQAS in Austin, Texas
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Hello Waqas,
I replaced my water pump when I removed my air-conditioning. With air-conditioning, you need the water pump with the shorter shaft/hub. Without air-conditioning, the water pump with the longer hub is used. Also, a different pulley is req'd based on which pump is used (with or w/o air).
Attached picture shows my old and new pump.
Download Attachment: (http://images/icon_paperclip.gif) waterpump.jpg (http://www.sl113.org/forums/uploaded/bpossel/2007130203242_waterpump.jpg)
54.51 KB
Bob
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Thanks very much for the pic, Bob! Very kind of you...
I've concluded that mine is the short hub, but I'll be able to confirm this once I remove the pulley during installation. The pump is enroute... let the waiting begin!
During all this, I noticed some belts starting to fray. Anything special about the belts? Or will any v-belt from the local auto store work fine? (with the correct length, of course)
Muchas Gracias,
WAQAS in Austin, Texas
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Hi Wagas,
I recall having a hard time finding a belt that would properly fit. I ended up just bringing home several from NAPA auto parts store and, throught trial and error, finding one that fit.
Not sure if others had a similar issue?
Bob
bpossel (Memphis, TN.)
'71 280SL / '97 E320