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Mar 11, 2017 18:57:54 GMT
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Silly question . . Can an alternator clatter?
Happens at tick over only
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Toyota HiAce Super Custom Ltd (My thing)
Isuzu Trooper (her thing)
Audi a4 1999 (boys thing)
Toyota Yaris
Caravan - (festi thing)
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Mar 11, 2017 19:03:42 GMT
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what vehicle? many from the late 90's on have clutched pulleys.
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Mar 11, 2017 19:24:24 GMT
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Are you sure it's not an A/C compressor if you have one? The bearings in the electromagnetic clutch are known to fail.
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ems1
Club Retro Rides Member
Posts: 295
Club RR Member Number: 5
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Alternator clatterems1
@ems1
Club Retro Rides Member 5
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Mar 11, 2017 20:39:35 GMT
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Clutch?
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1985 Manta GT/E 16v
2001 VW T4 Caravelle
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taurus
Posted a lot
Posts: 1,084
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Mar 11, 2017 21:20:53 GMT
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Ive had alternator that clatter. Last one did from cold for the first fee miles then shut up. It ran for about 35k like that.
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Mar 12, 2017 12:00:54 GMT
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Ford explorer 4.0 sohc 1999
Air con pump is other side of engine
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Toyota HiAce Super Custom Ltd (My thing)
Isuzu Trooper (her thing)
Audi a4 1999 (boys thing)
Toyota Yaris
Caravan - (festi thing)
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Mar 12, 2017 12:13:33 GMT
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My Multipla used to make an awful racket from the area of the alternator which turned out to be a knackered tensioner.
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Last Edit: Mar 12, 2017 12:14:03 GMT by tubthumper
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ChasR
RR Helper
motivation
Posts: 10,191
Club RR Member Number: 170
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Alternator clatterChasR
@chasr
Club Retro Rides Member 170
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Mar 12, 2017 20:53:14 GMT
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Yes.
I've had a few. These include:
- An '03 Clio 1.4 ; the cushioned pulley was breaking apart. I thought the head was going!
- A 1.8 Ford Mondeo '07 Mk3 ; the one way clutch on the pulley had seized and it sounded like the big ends had gone on the engine!
- My '03 M3 ; the bearings/fan were not too clever and they began to rattle ; that did not sound nice!
On the latter the alternator bearings are not the worst I've had on an engine but the idler pulley had seen better days ; that was shot! It's alot quieter now with new belts and pulleys, oh, and alternator; the latter decided it would become an intermittent charger.
In your case I would remove the aux belt and see what happens as a surefire way to diagnose it. Then feel the pulleys one by one to rule out each component.
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Last Edit: Mar 12, 2017 20:56:12 GMT by ChasR
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I've had a couple of alternator bearings go on a Vectra, first sounded like a supercharger and the second just grumbled to death, girlfriend's Nissan is grumbling now as well.
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Mar 26, 2017 23:53:53 GMT
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Hi all
Well I have decided tomorrow to take off the idler and tensioner pullys and pack them with grease to see if I have miss identified the rattle
Fingers crossed
Anyone want an explorer lol
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Toyota HiAce Super Custom Ltd (My thing)
Isuzu Trooper (her thing)
Audi a4 1999 (boys thing)
Toyota Yaris
Caravan - (festi thing)
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Mar 27, 2017 17:41:07 GMT
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Did idler pulley and for the hell of the tensioner pully . . . Now noise free! Think is was the idler pully as it sounded rough when spinning
NOT my alternator 😊
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Toyota HiAce Super Custom Ltd (My thing)
Isuzu Trooper (her thing)
Audi a4 1999 (boys thing)
Toyota Yaris
Caravan - (festi thing)
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Big thanks to all for the advice
Cheers
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Toyota HiAce Super Custom Ltd (My thing)
Isuzu Trooper (her thing)
Audi a4 1999 (boys thing)
Toyota Yaris
Caravan - (festi thing)
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