[W126 Coupe] HOW-TO: 126 Coolant expansion tank replacement

[Steve Nervig]

On Jan 24, 2011, at 10:58 PM, Gerry Van Zandt wrote:


> All:

> 

> Tonight I posted a how-to on my site's 126 sub-board, on replacing the coolant expansion tank on the 126 coupe/sedan.  

> 

> If you have never replaced this part, you really should.  It's an inexpensive part and if it ever cracks/breaks, you're stranded until it can be replaced.  When you do it, be sure to replace the coolant level sensor, as well (also shown in the how-to).

> 

> This also applies to other cars such as the W124s.  Good, inexpensive, DIY-able preventative maintenance. Also a good chance to check the hoses attaching to the expansion tank.

> 

> http://www.500espot.com/forums/viewtopic.php?f=46&t=1093

> 

> Cheers,

> Gerry


As always, great how-to post Gerry. I replaced my expansion tank (and windshield washer fluid tank) a couple of years ago on my coupe and you are correct, it makes a world of difference to the looks of your engine compartment. And like you for the W126, I found them relatively inexpensive for the W124 also. Highly recommended update.

Regards,
Steve
1992 300CE Sportline


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