Question about 2000 Renault 181

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Pulley of alternator came off. fitted it back with lot's of pain ,drove for 15 km and belt came off again

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If you didnt get the pulley back on just right then it may be out of alignment and that is why the belt came off this time. also ckeck to make sure the alternator mount isnt loose or cracked as this might lead to this problem. having an alternator pulley come off is not a common problem so it tells me something else is going on. it might be time for a new or rebuilt alternator if everything else checks out.

Posted on Jun 04, 2010

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Serpentine belt tore while driving bmw e38


The top small pulley backed it's self out. The problem is in most cars the pulleys are reverse threaded so this wont happen, in ours not so much. The pully spins loose with the turn of the belt so it has to be tightened way down. IT's a pain. Here is a diagram I found and You need a 15mm wrench, which doesn't just come in most sets. Good Luck

The book says "Using a 15 mm socket or wrench on bolt attaching drive belt tensioner pulley, rotate drive belt tensioner clockwise. Make sure spring keeper engages into slot." I would put a socket on the 15 mm pulley bolt and a long handle for leverage. Thats one tight spring.

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JUST A DIAGRAM OF THE SERPENTINE BELT ROUTE


The diagram can be found here.
Remove the upper fan shroud and aircleaner assemblies for easy access.
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1 Answer

Went to change my alternator took off bolt attached to belt pullt bracket and can't seem to get the bracket back on .....HELP


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1 Answer

Hi i have a 2003 golf tdi wife informed me that she lost power steering and battery light on, looked at it pulley came off alternator , so i started it to move it to garage and busted the belt while i was...


You say that you checked the glow-plugs and that they are good.
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1 Answer

(Battery No Charge Message)


Yep.... the tired old battery may have cooked the alternator. If your lucky , maybe it is just the belt. Could be loose wire , or dirty connection on back of alternator too.
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1 Answer

Alternator belt


Hi there. If the belt is frayed I would replace it or it probably wont last long. Under your hood should be a belt routing diagram that shows exactly how the serpentine belt has to be routed. Start at the bottom and try to end at the top by the alternator when routing. You have to depress the belt tensioner by placing a wrench on it and rotating it back to get the last bit of play you will need in the belt to get it over the alternator pulley. Its hard to push because its spring loaded so its easier to have a buddy slip the belt on the last pulley well you hold the tensioner back. Just trying to remember here, but I think the belt tensioner is pushed counter clockwise to release and is a 13, or 15 mm wrench. Hope this helps.

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2 Answers

Serpentine belt in a 1995 Mercury sable





I have the same car and last night my belt slipped off. The top small pulley backed it's self out. The problem is in most cars the pulleys are reverse threaded so this wont happen, in ours not so much. The pully spins loose with the turn of the belt so it has to be tightened way down. IT's a pain. Here is a diagram I found and You need a 15mm wrench, which doesn't just come in most sets. Good Luck

The book says "Using a 15 mm socket or wrench on bolt attaching drive belt tensioner pulley, rotate drive belt tensioner clockwise. Make sure spring keeper engages into slot." I would put a socket on the 15 mm pulley bolt and a long handle for leverage. Thats one tight spring.
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Oct 24, 2008 | 1995 Mercury Sable

1 Answer

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the belt tensioner is on the lower left of the engine there is a 1/2 drive square hole on the right hand side pulley arm to release the tension its a pain to get at but you can, sometimes it is easier from the bottom

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1 Answer

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