Cracked drive coupler - Diesel Forum - TheDieselStop.com
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post #1 of 2 (permalink) Old 07-27-2015, 09:25 AM Thread Starter
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Cracked drive coupler

At the 30,000 miles service, I saw that the drive coupler off the back of the transmission was cracking.



This is what they use in place of a U joint at the back of the transmission. It is commonly called a Guibo coupler. Our van runs almost all highway miles and not a big load typically, but this happened quite early. Our Sprinter has the same kind of coupler and it has 275,000 miles with no problems and this is a common coupler in European rigs. Maybe we got a bad one, maybe something wasn't assembled correctly, maybe with the power curve of the engine, it's not lasting.

Regardless, be sure to check your Guibo before it's out of warranty.

2, 2007.5 LMM C5500 passenger buses each travelling 100,000 highway miles a year, as of December 2014, each over 700,000 miles.
1, 2006 C5500 passenger bus, with a reman engine at 425,024 miles on 28 Sep 2014.
1, 2013 Freightliner M2 chassis/Cummins 6.7 ISB passenger bus travelling 100000 mountain miles per year.
2, 2010 Ford F650 buses with Cummins engines, each at about 300,000 miles.
1, 2015 Ford Transit 11 passenger wagon with the Powerstroke 5 cyl engine traveling about 125,000 miles per year.
The bane of my existence: A 2006 Sprinter.
And a bunch of stupid minivans.
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post #2 of 2 (permalink) Old 03-21-2016, 07:01 PM Thread Starter
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120,00 miles and I have it scheduled for it's third coupler replacement. First one at about 35,000, second one about 70,000 and this one 120,000, though I have let this one run a bit longer than the last ones.

Also did the rear brakes at 100,000 miles but the fronts look like they could go to 200,000

2, 2007.5 LMM C5500 passenger buses each travelling 100,000 highway miles a year, as of December 2014, each over 700,000 miles.
1, 2006 C5500 passenger bus, with a reman engine at 425,024 miles on 28 Sep 2014.
1, 2013 Freightliner M2 chassis/Cummins 6.7 ISB passenger bus travelling 100000 mountain miles per year.
2, 2010 Ford F650 buses with Cummins engines, each at about 300,000 miles.
1, 2015 Ford Transit 11 passenger wagon with the Powerstroke 5 cyl engine traveling about 125,000 miles per year.
The bane of my existence: A 2006 Sprinter.
And a bunch of stupid minivans.
TDIDog is offline  
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