monty
Isuzu Baby
Posts: 25
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Post by monty on Apr 11, 2009 11:13:32 GMT 11
Hi can anyone help me with what thread is on the alternator adjusting bolt on a 4jg2 as I just broke the bolt.
Thanks neil
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Post by isuzumudman on Apr 15, 2009 19:11:52 GMT 11
From memory it's M8 x 1.25 (std ISO) about 150mm long.
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monty
Isuzu Baby
Posts: 25
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Post by monty on Apr 15, 2009 21:06:36 GMT 11
thanks for that, i got an m8 bolt but the pitch of it obviously wrong as it only went in as far as to come flush at the other end of the adjusting block and then lock up, just didnt want to stuff the thread or snap the bolt in the block. will have to duck down the bolt shop and get a 1.25 pitch bolt now.
once again thanks for that.
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Post by Harry on Apr 16, 2009 19:30:58 GMT 11
UBS 55 Bighorns don't have the fancy adjusters but I'd say that if the adjuster block is more than 1/2 a thread long you wouldn't have got the bolt right through if the pitch was wrong.I can't think of anywhere on my Isuzu that M8 fine is used.
Harry.
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Post by mulover on Apr 17, 2009 11:08:31 GMT 11
If you got your first bolt right through the adjuster block then you have the right thread, you may have to run a tap through the thread to clean it up a bit, you will have to be extra sure you have the right pitch though.
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Post by isuzumudman on Apr 18, 2009 7:40:19 GMT 11
In my experience you need to ensure all the mounting bolts are a little bit loose. Looking at it from the front, the right bracket bolt (12mm head), adjuster mounting bolt (12mm) hiding behind the a/c belts and the bottom bolt (14mm). Only then and with oil will you know if you need to clean up the adjuster thread.
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Post by isuzumudman on Apr 19, 2009 6:08:49 GMT 11
Don't forget to tighten them all up again though.
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