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Registered
Join Date: Mar 2006
Posts: 11
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928S/4 cooling fan
My 1987 928 cooling fan, one of two, is not working. Not sure yet if it is electrical supply problem or not.
If this unit needs replacement are the OEM replacements the usual repair, or does it make more sense to upgrade to fans with more CFM. This is a street car located on the central part of the east coast in Delaware. Also any advice on method for replacement would be greatly appreciated
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09-08-2013, 06:20 PM
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Petie3rd
Join Date: Jul 2000
Location: Philly PA
Posts: 4,528
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read up on this link look for 928 cooling fans 87 on
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=6&ved=0CE8QFjAF&url=http%3A%2F%2Fwww.928gt.com%2FT-WallyHVAC.aspx&ei=fTktUr-2Ce_eyQGz5oG4DQ&usg=AFQjCNELPje_Z70T6sJEBQqPzEyL0qCDLA&bvm=bv.51773540,d.aWc&cad=rja
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^^^ Stan ^^^ 2019 BMW K1250 GS 2016 HD RK 1988 S4 Auto , Elfenbein Perlglanz, Pearl Gray 1982 5sp Met black and tan sport seats |
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09-08-2013, 07:01 PM
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Posts: 11
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Just what I needed.
Sure wish I could print this out to use while working on my car. Many thanks Donald
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09-09-2013, 08:30 AM
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needs new tires. Again.
Join Date: Mar 2009
Location: Bristow, VA
Posts: 88
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The fan output stage is failing. There are ways to fix it but it is easily destroyed on disassembly.
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'87 928S4 5spd - Owner '85 930 EURO - Caretaker |
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09-09-2013, 04:18 PM
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Posts: 11
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fan
Thanks for the reply.
Where is the fan output stage located and what do I check? Thanks Donald
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09-10-2013, 10:59 AM
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928-Electrics Guy
Join Date: Jun 2007
Location: Phoenix AZ
Posts: 715
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Whoa! We have no idea what is wrong....
It could be one fan is dead, did you check the fuses already? or it could be the output stage... Since the remedy options are very different between these- it would be best to figure it out first. If the fans are OK and its the driver you have one set of options - if the driver is OK and a fan is dead you have another set... Alan
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1994 928 GTS Black/Black Manual |
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09-10-2013, 02:10 PM
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Join Date: Mar 2006
Posts: 11
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checking
Quote:
thanks Donald
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09-11-2013, 04:57 AM
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Petie3rd
Join Date: Jul 2000
Location: Philly PA
Posts: 4,528
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check the two thinner red wires connected to the battery + terminal
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^^^ Stan ^^^ 2019 BMW K1250 GS 2016 HD RK 1988 S4 Auto , Elfenbein Perlglanz, Pearl Gray 1982 5sp Met black and tan sport seats |
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09-11-2013, 06:42 AM
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