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View Full Version : 63 Avanti clutch fan replace/rebuild??



Chris Collins
06-19-2005, 08:35 AM
Visited the Avanti at my mechanics today, and he pointed out that the
fan clutch is leaking fluid, so need to address that. He is of the
impression that the replacement units sold by the usual Stude vendors
are of the non-thermal type, rather than having a thermal control for
locking/unlocking the fluid coupling. Any experience with these out
there? Sasco lists the part (# 1560257) at a higher price than Stude
Intl, Stephen Allens, or Chuck Collins. Even if a NOS part were
available, I suspect that would be taking a gamble on longevity.
Hayden's online catalog shows all their clutch fans using a coiled
metal thermostat, versus the straight bi-metallic strip used on the
Avanti's. Perhaps all new production is of that type.

Is rebuilding these an option, even though for most cars it is cheaper
to simply buy new? Saw in a Stude newsgroup post from 1998 that Fred Oliva was
rebuilding them, but his link is inactive and I do not see him in the
SDC directory. Classic Auto Air in Tampa FL did a great job recently
in rebuilding the original A/C receiver/drier, so may check with them
unless I hear other suggestions here.

Thanks..



Chris Collins
63 Avanti R-2
66 Cruiser

Alan
06-19-2005, 10:50 AM
The Caddy 1975-80 is the one used for Avanti but the hole where nose goes into has to be opened up .005"

Chris Collins
06-21-2005, 12:59 PM
Alan, does the pilot hole need to be made wider in diameter, or cut deeper? I'd assume the former could be done with a round file if only another .005 inch is needed.

The Hayden catalog lists a few 75-80 Cadillac clutches depending on the engine (425; 350 diesel; 368; etc). Any recollection of a specific engine? According to Jon Myer, the non-thermal type was made special for Studes and is the only exact-fit new part made available today by our vendor community. Thanks again.

Chris Collins
63 Avanti R-2
66 Cruiser

Alan
06-21-2005, 01:38 PM
Chris I put one on my 63 R1 about 1980 I had to open the diamater .005", back then they were $35.It was for a 425-500 gas engine.

Chris Collins
06-22-2005, 12:09 PM
Thanks Alan...will go to a parts store and check those out.

Chris Collins
63 Avanti R-2
66 Cruiser