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PeachParts Mercedes-Benz Forum (http://www.peachparts.com/shopforum/)
-   Diesel Discussion (http://www.peachparts.com/shopforum/diesel-discussion/)
-   -   Anyone have/know where to find an '81 - '85 fan and fan clutch? (http://www.peachparts.com/shopforum/diesel-discussion/320100-anyone-have-know-where-find-81-85-fan-fan-clutch.html)

JohnCE 06-19-2012 09:47 AM
Quote:
Originally Posted by whunter (Post 2957903)
At this moment, just change the fan/clutch assembly.

You can collect additional parts at leisure.

.

Right - that's about my current skill level anyways - not sure I'm ready to tackle swapping a water pump now.

I assume I'll probably need the space you mentioned above?

shadetree77 06-19-2012 08:46 PM
Quote:
Originally Posted by whunter (Post 2957865)
The clutch to water pump bolt pattern matches, and they are an alternative - upgrade.

The plastic blade has better airflow and is lighter.

The aluminum blade will not function correctly on the later upgraded clutch, even if you can mount it, the air flow - mass - thrust - torque load is wrong for the design.


.
great info ya'll. just to clarify, on my 83 SD i can just replace the original metal fan/clutch with the updated plastic fan/clutch since it has that spacer for the water pump, correct? but i should also use the later version WP pulley to increase efficiency. the way i understand it is that the pre '81 617's are in need of the later model WP pump to engine housing?

vstech 06-19-2012 10:03 PM
Quote:
Originally Posted by shadetree77 (Post 2958471)
great info ya'll. just to clarify, on my 83 SD i can just replace the original metal fan/clutch with the updated plastic fan/clutch since it has that spacer for the water pump, correct? but i should also use the later version WP pulley to increase efficiency. the way i understand it is that the pre '81 617's are in need of the later model WP pump to engine housing?
your 83 SD should have a plastic fan already, and it should have the small pulley as well.
if it does not, it's either an EARLY 83 or the engine/fan assembly has been changed for an older one...

shadetree77 06-19-2012 10:30 PM
yeah it's an early 83 (build 12/82). it has the larger WP pulley (found out the hard way when trying to fit 10x1000 belts on it)

shadetree77 06-20-2012 10:53 PM
Quote:
Originally Posted by shadetree77 (Post 2958471)
great info ya'll. just to clarify, on my 83 SD i can just replace the original metal fan/clutch with the updated plastic fan/clutch since it has that spacer for the water pump, correct? but i should also use the later version WP pulley to increase efficiency. the way i understand it is that the pre '81 617's are in need of the later model WP pump to engine housing?
bump, just want to make sure i got the info right

whunter 06-21-2012 06:23 PM
Answer
 
yes

shadetree77 06-21-2012 08:47 PM
cool, thanks mr. hunter, you always have the best advice


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