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TSX Blown cooling fan fuse #5414414 04/27/20 09:28 AM
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zmelli Offline OP
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My car was blowing the 20 amp cooling fan fuse. The problem was a shorted fan motor. Brush pack in fan motor was at about 20 percent. Replaced the fan assembly with a TYC unit.

IMG_20200426_080836438.jpgIMG_20200426_082200584.jpgIMG_20200426_081356275.jpgIMG_20200426_081249683.jpg
Last edited by zmelli; 04/27/20 09:29 AM. Reason: Spelling

06 Acura TSX 6-Speed/ASM 0W40/js C809j
93 Honda Accord 0W-40Edge/Micro T7316

"Dr House - the concept you have about me won't change who I am, but it will change my concept of you"

Re: TSX Blown cooling fan fuse [Re: zmelli] #5414568 04/27/20 11:46 AM
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zmelli Offline OP
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Car has 135k miles on it, first problem that I have had with it. I would like to see the guts of an aftermarket fan motor to compare brush lengths and construction.


06 Acura TSX 6-Speed/ASM 0W40/js C809j
93 Honda Accord 0W-40Edge/Micro T7316

"Dr House - the concept you have about me won't change who I am, but it will change my concept of you"

Re: TSX Blown cooling fan fuse [Re: zmelli] #5414638 04/27/20 01:06 PM
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mk378 Online Content
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After the brushes wear out the motor will just stop. Blown fuse would mean too much current consumption such as having the bearings freeze up.

Re: TSX Blown cooling fan fuse [Re: mk378] #5414655 04/27/20 01:28 PM
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zmelli Offline OP
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Originally Posted by mk378
After the brushes wear out the motor will just stop. Blown fuse would mean too much current consumption such as having the bearings freeze up.

Strange thing about this is that the bearings were not locked up? I thought that maybe that the worn brush material was conductive and shorting out the fan. The fan was full of the dust.


06 Acura TSX 6-Speed/ASM 0W40/js C809j
93 Honda Accord 0W-40Edge/Micro T7316

"Dr House - the concept you have about me won't change who I am, but it will change my concept of you"

Re: TSX Blown cooling fan fuse [Re: zmelli] #5414703 04/27/20 02:14 PM
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WobblyElvis Offline
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When I have a motor apart like that I take some emery cloth to the commutator to clean it up an then, using a tiny pick, I scrape out the groves between the copper segments. Seems to help.

Re: TSX Blown cooling fan fuse [Re: zmelli] #5414729 04/27/20 02:42 PM
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Dave9 Offline
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Sometimes the windings just short out, given enough heat and time, but I would have tried cleaning up the commutator including the grooves as WobblyElvis mentioned, and degunking the whole thing, and lubing the bearings (I mean if sleeve bushings). That Denso made in Japan was probably as good as it gets, I wouldn't expect similar life from a TYC in the same conditions but you do what you have to...

Re: TSX Blown cooling fan fuse [Re: Dave9] #5414812 04/27/20 04:21 PM
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zmelli Offline OP
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Originally Posted by Dave9
Sometimes the windings just short out, given enough heat and time, but I would have tried cleaning up the commutator including the grooves as WobblyElvis mentioned, and degunking the whole thing, and lubing the bearings (I mean if sleeve bushings). That Denso made in Japan was probably as good as it gets, I wouldn't expect similar life from a TYC in the same conditions but you do what you have to...

I problem I had was getting the case apart without damaging the connector, I needed to take dikes to the plastic. Back in 1998 I was able to repair a condenser fan motor by changing out the $5 bearing. They did not have aftermarket motors back then. I just needed to peak inside.


06 Acura TSX 6-Speed/ASM 0W40/js C809j
93 Honda Accord 0W-40Edge/Micro T7316

"Dr House - the concept you have about me won't change who I am, but it will change my concept of you"

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