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The mkiv Supra Owners Club

Help - All warning lights on the dash


krisgowing

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The only thing I would question is the 'clunk' this as pointed out above could easily be the outer ring of the crank pulley disappearing! have you checked this? the aux belt can remain (must have) on the remains of the pulley but the belt won't be under as much tension which 'may' mean the alternator isn't charging as it should giving the warning lights.

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The only thing I would question is the 'clunk' this as pointed out above could easily be the outer ring of the crank pulley disappearing!

 

I'd go with this as well. I had the grooved ring on the bottom crank pulley break up after 18 years. Then you can get belt slip causing the burnt rubber smell and warning lights. You can crank the engine on a socket and bar and feel all away around the crank to check the pulley grooves are there and intact.

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If you can get someone to give you hand, have the car idling and get someone to turn the steering wheel full lock both sides whilst you watch all the pulleys and the belts to see if any slip or stick.

 

Just try this!!!!

 

If the crank pulley is fine then look at the alternator.

 

Saves you guessing and spending money on things that may not be broken

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Was driving home and the lights slowly went dimmer, eventually cut out - know it's not the battery not even a year old

 

Looks like it is the alternator :(

 

Typically does the whole thing go or can it be repaired?

 

I had mine refurbished locally recently for £45. Its hard to find a place where you can just get a new alternator without shipping back the old one. Try to search locally - something I havent thought about (been advised by my friend when I was moaning I cant just get a new one) and it took few hours to take it out, refurbish and fit back in.

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